pdfcoffee.com_lt-cable-sizing-pdf-free.pdf

1. CLIENT -
CONSULTANT -
CONTRACTOR -
PROJECT:
PACKAGE-II :
DOC. NAME : DESIGN CALCULATION SHEET FOR LT POWER CABLE
DOCUMENT NO. - REV-05
From
Equipment Tag
No.
To
Equipment Tag
No.
Motor/Eq
uipment
Voltage
Rating
(V)
For 45
Deg amb.
Cable laid
on tray
exposed to
air
Cables laid
inside
concrete
trench
Over­all
Rating
Factor
Derated
current
rating of
cable
No. of run
required of
selected
cable size
Selected No.
of run
Net Current
Provided
Starting
PF of
Motor
Running
PF of
Motor
Resistance
at 90deg .C
( R )
Reactance
at 50Hz
( XL )
Starting
Impedance
Ohms/Km
Zstart
Running
Impedance
Ohms/Km
Zrun
Starting
Vdrop in
volts
Vstart
Running
Vdrop in
volts
Vrun
Ground Air
Avg.of air &
ground
rating
Cable
Length Per
Run (m)
Deration factor
Full Load
Current in
Amp (Ifc)
Motor
Efficiency
No of
Core
Installed
Output
Power
(kW
rated)
Cable
Type
Selected
Cable Size
Voltage Drop Calculation
Feeder Description
Feeder Description
CABLES FEED FROM SS 1 SUBSTATION
Current rating Of cable
Selected
Sr.No.
Drive
Type
Plant Area
1 VVVF CONVERTER TRANSFORMER­3 TR‐3 723­VVF PANEL VF723
2 VVVF CONVERTER TRANSFORMER­4 TR‐4 723­VVF PANEL VF723
3 VVVF
CONVEYOR‐DHC‐723 VVF PANEL AT FIRST FLOOR OF
SS‐1
VF723 DOWN HILL CONVEYOR‐DHC‐723 MOTOR‐1 AT TAIL DRIVE HOUSE M1_723 800 0.95 690 840 0.95 0.68 ‐ 0.65 3 300 A2XFY ‐ 455 455 295.75 2.84 3 887.25 150 ‐ 0.85 0.13 0.07 0 0.15 0.00 10.62
3A VVVF
CONVEYOR‐DHC‐723 VVF PANEL AT FIRST FLOOR OF
SS‐1 ‐ DRIVE PANEL BODY EARTH
VF723
DOWN HILL CONVEYOR‐DHC‐723 MOTOR‐1 AT TAIL DRIVE HOUSE‐
FROM DRIVE PANEL EARTH TO MOTOR BODY EARTH
PE_723_M1 800 3 150 A2XFY 1 150
4 VVVF
CONVEYOR‐DHC‐723 VVF PANEL AT FIRST FLOOR OF
SS‐1
VF723 DOWN HILL CONVEYOR‐DHC‐723 MOTOR‐1 AT TAIL DRIVE HOUSE M2_723 800 0.95 690 840 0.95 0.68 ‐ 0.65 3 300 A2XFY ‐ 455 455 295.75 2.84 3 887.25 150 ‐ 0.85 0.13 0.07 0 0.15 0.00 10.62
4A VVVF
CONVEYOR‐DHC‐723 VVF PANEL AT FIRST FLOOR OF
SS‐1‐DRIVE PANEL BODY EARTH
VF723
DOWN HILL CONVEYOR‐DHC‐723 MOTOR‐2 AT TAIL DRIVE HOUSE
‐FROM DRIVE PANEL EARTH TO MOTOR BODY EARTH
PE_723_M2 800 3 150 A2XFY 1 150
5 VVVF
CONVEYOR‐DHC‐723 VVF PANEL AT GROUND FLOOR
OF SS‐1
VF723 BREAKING RESISTER‐1 AT GROUND FLOOR OF SS‐1 BR1_723 400 ‐ 980 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ 1 0.00 40 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐
6 VVVF
CONVEYOR‐DHC‐723 VVF PANEL AT GROUND FLOOR
OF SS‐1
VF723 BREAKING RESISTER‐2 AT GROUND FLOOR OF SS‐1 BR2_723 400 ‐ 980 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ 1 0.00 40 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐
7 VVVF
CONVEYOR‐DHC‐723 VVF PANEL AT GROUND FLOOR
OF SS‐1
VF723 BREAKING RESISTER‐3 AT GROUND FLOOR OF SS‐1 BR3_723 400 ‐ 980 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ 1 0.00 40 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐
BUSDUCT­3
Copper
3C X 120Sqmm
3C X 120Sqmm
3C X 120Sqmm
DOWN HILL CONV ‐ 723
CONVEYOR­DHC­723 VVF PANEL AT SS­1
BUSDUCT­2
SUBSTATION (SS‐1)
DOWN HILL CONV ‐ 723
DOWN HILL CONV ‐ 723
DOWN HILL CONV ‐ 723
DOWN HILL CONV ‐ 723
CABLES FEED FROM SS-1 SUBSTATION
SUBSTATION (SS‐1)
DOWN HILL CONV ‐ 723
DOWN HILL CONV ‐ 723
8 VVVF
CONVEYOR‐DHC‐723 VVF PANEL AT GROUND FLOOR
OF SS‐1
VF723 BREAKING RESISTER‐4 AT GROUND FLOOR OF SS‐1 BR4_723 400 ‐ 980 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ 1 0.00 40 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐
1 PMCC DISTRIBUTION TRANSFORMER­1 TR­1 415V POWER MOTOR CONTROL CENTRE SS1_PMCC
2 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC POWER SUPPLY TO UPS SYSTEM PANEL UPS‐1 15 1 415 26.1 0.95 ‐ 0.76 0.65 4 10 2XWY 57 ‐ 37.05 1 37.05 30 ‐ 0.80 3.94 0.08 0 3.20 0.00 4.34
3 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC GEAR BOX FOR DOWNHILL HILL CONVEYOR‐723‐M1 GB_723_M1 1.5 ‐ 415 2.6 0.95 0.68 ‐ 0.65 4 4 2XWY ‐ 36 23.26 1 23.26 150 ‐ 0.80 9.48 0.09 0 7.64 0.00 5.18
4 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC GEAR BOX FOR DOWNHILL HILL CONVEYOR‐723‐M2 GB_723_M2 1.5 ‐ 415 2.6 0.95 0.68 ‐ 0.65 4 4 2XWY ‐ 36 23.26 1 23.26 150 ‐ 0.80 9.48 0.09 0 7.64 0.00 5.18
5 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC HYD.POWER PACK BRAKE SYSTEM FOR CONV.723M1 HPP_723M1 4 ‐ 415 7.0 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.05 1 40.05 150 ‐ 0.80 3.94 0.08 0 3.20 0.00 5.79
6 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC HYD.POWER PACK BRAKE SYSTEM FOR CONV.723M2 HPP_723M2 4 ‐ 415 7.0 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.05 1 40.05 150 ‐ 0.80 3.94 0.08 0 3.20 0.00 5.79
7 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC POWER SUPPLY TO BATT. CHARG.PANEL INCOMER‐1 BC1 20 ‐ 415 34.8 0.95 ‐ 0.76 0.65 4 25 A2XFY 94 ‐ 61.10 1 61.10 30 ‐ 0.80 1.54 0.08 0 1.28 0.00 2.31
8 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC POWER SUPPLY TO BATT. CHARG.PANEL INCOMER‐2 BC2 20 ‐ 415 34.8 0.95 ‐ 0.76 0.65 4 25 A2XFY 94 ‐ 61.10 1 61.10 30 ‐ 0.80 1.54 0.08 0 1.28 0.00 2.31
9 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC SIREN AT TH‐2 HTR_TH2 0.375 0.63 415 1.0 0.95 0.68 ‐ 0.65 4 2.5 2XWY 34 ‐ 21.96 1 21.96 80 0.40 0.80 15.50 0.10 6.29 12.46 6.47 1.78
10 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC SIREN AT TH‐2A HTR_TH2A 0.375 0.63 415 1.0 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 110 0.40 0.80 15.50 0.10 6.29 12.46 8.89 2.45
11 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC SIREN‐1 AT TAIL HOUSE DHC‐723 HTR1_DHC723 0.375 0.63 415 1.0 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 150 0.40 0.80 15.50 0.10 6.29 12.46 12.12 3.33
12 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC SIREN‐2 AT TAIL HOUSE DHC‐723 HTR2_DHC723 0.375 0.63 415 1.0 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 150 0.40 0.80 15.50 0.10 6.29 12.46 12.12 3.33
13 DOL SS 1 SUBSTATION PMCC SS1 PMCC BELT CONVEYOR MOTOR 718 AT TH 1 M 718 45 0 92 415 85 1 0 95 0 68 0 65 3 5 95 A2XFY 221 142 77 2 285 53 350 0 30 0 80 0 41 0 07 0 19 0 37 35 65 9 58
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
TRANSFER HOUSE‐2
TAIL DRIVE HOUSE
TAIL DRIVE HOUSE
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
3C X 120Sqmm
BUSDUCT­1
SS­1 SUBSTATION ­ PMCC
DOWN HILL CONV ‐ 723
TRANSFER HOUSE‐2A
TAIL DRIVE HOUSE
TAIL DRIVE HOUSE
TAIL DRIVE HOUSE
TAIL DRIVE HOUSE
TRANSFER HOUSE 1
13 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC BELT CONVEYOR MOTOR ‐718 AT TH‐1 M_718 45 0.92 415 85.1 0.95 0.68 ‐ 0.65 3.5 95 A2XFY ‐ 221 142.77 2 285.53 350 0.30 0.80 0.41 0.07 0.19 0.37 35.65 9.58
14 MCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC SPACE HEATER FOR CONV‐718 (SPH‐718) SPH_718 0.4 ‐ 415 0.7 0.95 0.68 ‐ 0.65 3 4 2XWY ‐ 36 23.26 1 23.26 350 ‐ 0.80 9.48 0.09 0 7.64 0.00 3.22
15 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC BELT CONVEYOR MOTOR ‐719 AT SILO TOP M_719 90 0.94 415 166.5 0.95 0.68 ‐ 0.65 3.5 95 A2XFY 196 ‐ 126.62 2 253.23 120 0.30 0.80 0.41 0.07 0.19 0.37 23.93 6.43
16 MCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC SPACE HEATER FOR CONV‐719 (SPH‐719) SPH_719 0.4 ‐ 415 0.7 0.95 0.68 ‐ 0.65 3 4 2XWY ‐ 36 23.26 1 23.26 120 ‐ 0.80 9.48 0.09 0 7.64 0.00 1.10
17 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC SIREN AT TH‐1 HTR‐TH1 0.375 0.63 415 1.0 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 350 0.40 0.80 15.50 0.10 6.29 12.46 28.28 7.78
18 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC BELT WEIGH SCALE ‐ LCP (721B ) AT CONV.‐721 CP_721B 0.5 ‐ 415 0.9 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 150 ‐ 0.80 15.50 0.10 0 12.46 0.00 2.81
19 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC METAL DETECTOR MD‐719A AT CONV.719 MD‐719A 0.5 ‐ 415 0.9 0.95 0.68 ‐ 0.65 4 4 2XWY ‐ 36 23.26 1 23.26 250 ‐ 0.80 9.48 0.09 0 7.64 0.00 2.88
20 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC METAL DETECTOR MD‐721A AT CONV.721 MD‐721A 0.5 ‐ 415 0.9 0.95 0.68 ‐ 0.65 4 4 2XWY ‐ 36 23.26 1 23.26 150 ‐ 0.80 9.48 0.09 0 7.64 0.00 1.73
21 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC ILMS‐718A AT TH‐1 CP‐718A 16.46 ‐ 415 28.6 0.95 0.68 ‐ 0.65 3.5 70 A2XFY ‐ 179 115.63 1 115.63 350 ‐ 0.80 0.57 0.07 0 0.50 0.00 8.64
22 DOL SS‐1 SUBSTATION ‐ PMCC SS1_PMCC ILMS‐720A AT TH‐2 CP‐720A 18.46 ‐ 415 32.1 0.95 0.68 ‐ 0.65 3.5 35 A2XFY 113 ‐ 73.00 1 73.00 150 ‐ 0.80 1.11 0.08 0 0.93 0.00 7.80
23 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC BELT WEIGH SCALE ‐ LCP (718C ) AT CONV.‐718 CP_718C 0.5 ‐ 415 0.9 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 325 ‐ 0.80 15.50 0.10 0 12.46 0.00 6.10
24 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC 15T DOUBLE GRIDER EOT CRANE AT TAIL DRIVE 722 25 ‐ 415 43.5 0.95 0.68 ‐ 0.65 3.5 50 A2XFY ‐ 142 91.73 1 91.73 150 0.40 0.80 0.82 0.08 0.40 0.70 32.26 7.92
25 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC 5T‐UNDER SLUNG EOT LP ‐723A AT PS‐1 EH‐723A 6 ‐ 415 10.4 0.95 0.68 ‐ 0.65 4 6 2XWY ‐ 47 30.36 1 30.36 125 0.40 0.80 5.90 0.09 2.44 4.77 39.70 10.78
26 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC 2T‐ELECT.HOIST LP (EH‐721C‐1) AT TH‐2A EH‐721C_1 3 ‐ 415 5.2 0.95 0.68 ‐ 0.65 4 6 2XWY ‐ 47 30.36 1 30.36 150 0.40 0.80 5.90 0.09 2.44 4.77 23.82 6.47
27 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC 15T‐ELCT.HOIST LP (EH‐718B‐2) AT TH‐1 EH‐718B_2 19 ‐ 415 33.0 0.95 0.68 ‐ 0.65 3.5 70 A2XFY ‐ 179 115.63 1 115.63 350 0.40 0.80 0.57 0.07 0.29 0.50 42.49 9.97
28 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC 2T‐ELECT.HOIST LP (EH‐718B‐1) AT TH‐1 EH‐718B_1 3 ‐ 415 5.2 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.05 1 40.05 350 0.40 0.80 3.94 0.08 1.65 3.20 37.63 10.13
29 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC 25T‐ELECT HOIST LP (EH‐720B) AT TH‐2 EH‐720B 26 ‐ 415 45.2 0.95 0.68 ‐ 0.65 3.5 50 A2XFY 133 ‐ 85.92 1 85.92 100 0.40 0.80 0.82 0.08 0.40 0.70 22.37 5.49
30 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC 2T‐ELECT.HOIST (EH‐719B) AT SILO BLDG EH‐719B 3 ‐ 415 5.2 0.95 0.68 ‐ 0.65 4 6 2XWY ‐ 47 30.36 1 30.36 150 0.40 0.80 5.90 0.09 2.44 4.77 23.82 6.47
TAIL DRIVE HOUSE
TRANSFER HOUSE‐2
CONV.‐718
CONV.‐719
CONV.‐721
TRANSFER HOUSE‐1
TRANSFER HOUSE‐1
PARKING STATION‐1
TRANSFER HOUSE‐2A
TRANSFER HOUSE‐1
TRANSFER HOUSE‐2
CONV.‐721
SILO TOP FLOOR
SILO BLDG
TRANSFER HOUSE‐1
SILO TOP FLOOR
TRANSFER HOUSE‐1
TRANSFER HOUSE‐1
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 1 OF 12

2. From
Equipment Tag
No.
To
Equipment Tag
No.
Motor/Eq
uipment
Voltage
Rating
(V)
For 45
Deg amb.
Cable laid
on tray
exposed to
air
Cables laid
inside
concrete
trench
Over­all
Rating
Factor
Derated
current
rating of
cable
No. of run
required of
selected
cable size
Selected No.
of run
Net Current
Provided
Starting
PF of
Motor
Running
PF of
Motor
Resistance
at 90deg .C
( R )
Reactance
at 50Hz
( XL )
Starting
Impedance
Ohms/Km
Zstart
Running
Impedance
Ohms/Km
Zrun
Starting
Vdrop in
volts
Vstart
Running
Vdrop in
volts
Vrun
Avg.of air &
ground
rating
Cable
Length Per
Run (m)
Deration factor
Full Load
Current in
Amp (Ifc)
Motor
Efficiency
No of
Core
Installed
Output
Power
(kW
rated)
Cable
Type
Selected
Cable Size
Voltage Drop Calculation
Feeder Description
Feeder Description
Current rating Of cable
Selected
Sr.No.
Drive
Type
Plant Area
31 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC 1T‐ELECT.HOIST LP (EH‐719B‐3) AT SILO BLDG EH‐719B‐3 2 ‐ 415 3.5 0.95 0.68 ‐ 0.65 4 6 2XWY ‐ 47 30.36 1 30.36 125 0.40 0.80 5.90 0.09 2.44 4.77 13.23 3.59
32 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC
5T ELECT HOIST LP @TAIL DRIVE HOUSE OF DHC CRANE
MAINTANCE
EOT‐722A 8 ‐ 415 13.9 0.95 0.68 ‐ 0.65 4 16 A2XFY ‐ 79 51.03 1 51.03 175 0.40 0.80 2.44 0.08 1.05 2.00 31.88 8.44
33 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 75 ‐ 415 130.4 0.95 0.68 ‐ 0.65 3.5 150 A2XFY ‐ 292 188.63 2 377.26 300 ‐ 0.80 0.26 0.07 0 0.25 0.00 8.61
34 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC A/C & VENTILLATION PANEL AT SS‐1 ACVMCC 66 ‐ 415 114.8 0.95 ‐ 0.76 0.65 3.5 95 A2XFY 196 ‐ 127.40 1 127.40 30 ‐ 0.80 0.41 0.07 0 0.37 0.00 2.22
35 MCCB SS‐1 SUBSTATION ‐ PMCC SS1_PMCC WELDING TRANSFORMER‐9 AT SS‐1 TR9 128 ‐ 415 222.6 0.95 ‐ 0.76 0.65 3.5 95 A2XFY 196 ‐ 127.40 2 254.80 30 ‐ 0.80 0.41 0.07 0 0.37 0.00 2.15
36 MCCB SS‐1 SUBSTATION ‐ PMCC PMCC POWER SUPPLY TO BELT CONVEYOR‐721 VVVF PANEL AT SS‐1 VF721 11 ‐ 415 19.1 0.95 ‐ 0.76 0.65 4 10 2XWY 57 ‐ 37.05 1 37.05 30 ‐ 0.80 3.94 0.08 0 3.20 0.00 3.18
37 VVVF BELT CONVEYOR‐721 VVVF PANEL AT SS‐1 VF721 BELT CONVEYOR‐721 MOTOR AT TH‐2A M_721 11 0.86 415 22.2 0.95 0.68 ‐ 0.65 4 25 A2XFY ‐ 108 69.77 1 69.77 150 0.30 0.80 1.54 0.08 0.54 1.28 22.42 7.40
38 MCCB SS‐1 SUBSTATION ‐ PMCC SS1 PMCC POWER SUPPLY TO BELT FEEDER BF‐720 VVVF PANEL AT SS‐1 VF720 45 ‐ 415 78.3 0.95 ‐ 0.76 0.65 3.5 70 A2XFY 164 ‐ 106.60 1 106.60 30 ‐ 0.80 0.57 0.07 0 0.50 0.00 2.02
TAIL HOUSE DHC
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SILO BLDG
TRANSFER HOUSE‐2A
TRANSFER HOUSE‐1
SUBSTATION (SS‐1)
38 MCCB SS 1 SUBSTATION PMCC SS1_PMCC POWER SUPPLY TO BELT FEEDER BF 720 VVVF PANEL AT SS 1 VF720 45 415 78.3 0.95 0.76 0.65 3.5 70 A2XFY 164 106.60 1 106.60 30 0.80 0.57 0.07 0 0.50 0.00 2.02
39 VVVF BELT FEEDER BF‐720 VVVF PANEL AT SS‐1 VF720 BELT FEEDER BF‐720 MOTOR AT TH‐2 M_720 45 0.92 415 85.1 0.95 0.68 ‐ 0.65 3.5 70 A2XFY 164 ‐ 105.94 1 105.94 100 0.30 0.80 0.57 0.07 0.24 0.50 25.53 7.34
40 DOL BELT FEEDER BF‐720 VVVF PANEL AT SS‐1 VF720 BELT FEEDER BF‐720 THRUSTER BRAKE AT TH‐2 THB_720 0.5 ‐ 415 0.9 0.95 0.68 ‐ 0.65 4 4 2XWY 43 ‐ 27.78 1 27.78 100 ‐ 0.80 9.48 0.09 0 7.64 0.00 1.15
41 MCB BELT FEEDER BF‐720 VVVF PANEL AT SS‐1 VF720 SPACE HETARE FOR BF‐720 AT TH‐2 SPH‐720 0.4 ‐ 415 0.7 0.95 0.68 ‐ 0.65 3 4 2XWY 43 ‐ 27.78 1 27.78 100 ‐ 0.80 9.48 0.09 0 7.64 0.00 0.92
42 DOL SS‐1 SUBSTATION ‐ PMCC PMCC AUXILARY DISTRIBUTION BOARD AT SS‐1 APDB 15 ‐ 415 26.1 0.95 ‐ . 0.65 4 10 2XWY 57 ‐ 37.05 1 37.05 30 ‐ 0.80 3.94 0.08 0 3.20 0.00 4.34
43 MCCB SS‐1 SUBSTATION ‐ PMCC PMCC BELT VULCANIZING AT TAIL DRVE HOUSE BVM_TDH 45.54 ‐ 415 79.2 0.95 ‐ . 0.65 3.5 70 A2XFY 164 ‐ 106.60 1 106.60 150 ‐ 0.80 0.57 0.07 0 0.50 0.00 10.25
1 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 DFDS1‐PUMP‐1 AT PUMP HOUSE‐1(W) PM1 1.1 0.73 415 1.9 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 3.70 1.01
2 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 DFDS1‐PUMP‐2 AT PUMP HOUSE‐1(S) PM2 1.1 0.73 415 1.9 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 3.70 1.01
3 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 SW1‐PUMP‐1 AT PUMP HOUSE‐1(W) SW1_PM1 7.5 0.88 415 13.0 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 25.22 6.90
4 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 SW1‐PUMP‐2 AT PUMP HOUSE‐1(S) SW1_PM2 7.5 0.88 415 13.0 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 25.22 6.90
5 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 DW1‐PUMP‐1 AT PUMP HOUSE‐1(W) DW1_PM1 3.7 0.84 415 6.4 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 12.44 3.41
6 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 DW1‐PUMP‐2 AT PUMP HOUSE‐1(S) DW1_PM2 3.7 0.84 415 6.4 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 12.44 3.41
7 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 COMPRESSOR‐1 AT PUMP HOUSE‐1 (W) CP1 90 0.95 415 156.5 0.95 ‐ 0.76 0.65 3.5 150 A2XFY 249 ‐ 161.85 1 161.85 40 0.40 0.80 0.26 0.07 0.17 0.25 13.37 2.76
8 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 COMPRESSOR‐2 AT PUMP HOUSE‐1 (S) CP2 90 0.95 415 156.5 0.95 ‐ 0.76 0.65 3.5 150 A2XFY 249 ‐ 161.85 1 161.85 40 0.40 0.80 0.26 0.07 0.17 0.25 13.37 2.76
PUMP HOUSE­1 DFDS1 DISTRIBUTION BOARD
PUMP HOUSE‐1 DFDS1
PUMP HOUSE‐1 DFDS1
PUMP HOUSE‐1 DFDS1
PUMP HOUSE‐1 DFDS1
SUBSTATION (SS‐1)
TRANSFER HOUSE‐2
TRANSFER HOUSE‐2
SUBSTATION (SS‐1)
PUMP HOUSE‐1 DFDS1
PUMP HOUSE‐1 DFDS1
SUBSTATION (SS 1)
TRANSFER HOUSE‐2
PUMP HOUSE‐1 DFDS1
PUMP HOUSE‐1 DFDS1
9 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 EXAUST FAN ‐1 AT PUMP HOUSE‐1(W) EXF1 0.25 0.63 415 0.4 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 0.84 0.23
10 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 EXAUST FAN ‐2 AT PUMP HOUSE‐1(S) EXF2 0.25 0.63 415 0.4 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 0.84 0.23
11 DOL DFDS‐1 BOARD AT PUMP HOUSE‐1 DFDS1 EXAUST FAN ‐3 AT PUMP HOUSE‐1(W) EXF3 0.25 0.63 415 0.4 0.95 ‐ 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 0.84 0.23
1 MCCB A/C & VENTILLATION PANEL SS1_ACVMCC AC PANEL AT SS‐1 (VENDOR PANEL) ACP1 60 ‐ 415 104.3 0.95 ‐ 0.76 0.65 3.5 70 A2XFY 164 ‐ 106.60 1 106.60 40 ‐ 0.80 0.57 0.07 0 0.50 0.00 3.60
1 DOL AC PANEL AT SS‐1 (VENDOR PANEL) SS1_ACVMCC PACKAGE UNIT‐I (22TR) ACP1 37 ‐ 415 64.3 0.95 ‐ 0.76 0.65 3.5 50 A2XFY 133 ‐ 86.45 1 86.45 40 ‐ 0.80 0.82 0.08 0 0.70 0.00 3.12
1 DOL AC PANEL AT SS‐1 (VENDOR PANEL) SS1_ACVMCC PACKAGE UNIT‐II (22TR) ACP2 37 ‐ 415 64.3 0.95 ‐ 0.76 0.65 3.5 50 A2XFY 133 ‐ 86.45 1 86.45 40 ‐ 0.80 0.82 0.08 0 0.70 0.00 3.12
1 DOL AC PANEL AT SS‐1 (VENDOR PANEL) SS1_ACVMCC PUMP‐1 PM‐1 3 ‐ 415 5.2 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 4.50
1 DOL AC PANEL AT SS‐1 (VENDOR PANEL) SS1_ACVMCC PUMP‐2 PM‐2 3 ‐ 415 5.2 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 4.50
2 DOL A/C & VENTILLATION PANEL SS1_ACVMCC EXAUST FAN‐1 AT CABLE FLOOR EXF1 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
3 DOL A/C & VENTILLATION PANEL SS1_ACVMCC SUPPLY FAN‐1 AT SS‐1 SUF1 11 ‐ 415 19.1 0.95 ‐ 0.76 0.65 4 10 2XWY 57 ‐ 37.05 1 37.05 40 0.40 0.80 3.94 0.08 1.65 3.20 15.77 4.24
4 DOL A/C & VENTILLATION PANEL SS1_ACVMCC EXAUST FAN‐2 AT CAP.BANK ROOM EXF2 0.55 ‐ 415 1.0 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 3.00 0.83
5 DOL A/C & VENTILLATION PANEL SS1_ACVMCC EXAUST FAN‐3 AT BATTERY ROOM EXF3 0.55 ‐ 415 1.0 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 3.00 0.83
6 DOL A/C & VENTILLATION PANEL SS1_ACVMCC EXAUST FAN‐4 AT MLDB ROOM EXF4 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
7 DOL A/C & VENTILLATION PANEL SS1_ACVMCC EXAUST FAN‐5 AT PMCC EXF5 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
8 DOL A/C & VENTILLATION PANEL SS1_ACVMCC EXAUST FAN‐6 AT PMCC EXF6 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
A/C & VENTILLATION PANEL
CAP. BANK ROOM
PMCC
BATTERY ROOM
SS‐1 AHU ROOM
SS‐1 AHU ROOM
CABLE FLOOR
PUMP HOUSE‐1 DFDS1
PMCC
PUMP HOUSE‐1 DFDS1
SUBSTATION (SS‐1)
MLDB ROOM
SS‐1 AHU ROOM
SS‐1 AHU ROOM
SS‐1 AHU ROOM
PUMP HOUSE‐1 DFDS1
9 DOL A/C & VENTILLATION PANEL SS1_ACVMCC EXAUST FAN‐7 AT PMCC EXF7 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
10 DOL A/C & VENTILLATION PANEL SS1_ACVMCC EXAUST FAN‐8 AT PMCC EXF8 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
1 MCCB WELDING TRANSFORMER‐9 AT SS‐1 SS1_TR9 WELDING DISTRIBUTION BOARD AT SS‐1 SS1_WDB 128 ­ 415 222.6 0.95 ‐ 0.76 0.65 3.5 95 A2XFY 196 ­ 127.40 2 254.80 40 ‐ 0.80 0.41 0.07 0 0.37 0.00 2.86
2 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT SS‐1 GROUND FLOOR WS_SS1 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 50 A2XFY 133 ‐ 86.45 1 86.45 35 ‐ 0.80 0.82 0.08 0 0.70 0.00 1.33
3 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT TH‐2 EL+952.000 WS_TH2 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 50 A2XFY 133 ‐ 86.45 1 86.45 100 ‐ 0.80 0.82 0.08 0 0.70 0.00 3.80
4 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT SILO BUILDING EL+981.800 WS_SLDBG 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 95 A2XFY 196 ‐ 127.40 1 127.40 150 ‐ 0.80 0.41 0.07 0 0.37 0.00 3.02
5 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT TAIL DRIVE HOUSE EL+957.00 WS_TDH 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 95 A2XFY 196 ‐ 127.40 1 127.40 150 ‐ 0.80 0.41 0.07 0 0.37 0.00 3.02
6 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT TH‐2A EL+946.600 WS_TH2A 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 70 A2XFY 164 ‐ 106.60 1 106.60 125 ‐ 0.80 0.57 0.07 0 0.50 0.00 3.37
7 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT CONVEYOR‐719 EL+980.500 WS_CON719 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 95 A2XFY 196 ‐ 127.40 1 127.40 150 ‐ 0.80 0.41 0.07 0 0.37 0.00 3.02
8 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT TH‐1,EL+980.500 WS_TH1 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 240 A2XFY 326 ‐ 211.90 1 211.90 350 ‐ 0.80 0.16 0.07 0 0.17 0.00 3.24
9 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT PUMP HOUSE‐1, EL+001.500 WS_DFDS1 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 185 A2XFY 282 ‐ 183.30 1 183.30 300 ‐ 0.80 0.21 0.07 0 0.21 0.00 3.43
10 MCCB WELDING DB AT SS‐1 SS1_WDB WELDING SOCKET OUTLET AT PARKING STATION‐1, EL+939.800 WS_PS1 18 ‐ 415 31.3 0.95 ‐ 0.76 0.65 3.5 70 A2XFY 164 ‐ 106.60 1 106.60 125 ‐ 0.80 0.57 0.07 0 0.50 0.00 3.37
1 MCCB LIGHTING TRANSFORMER‐7 AT SS‐1 SS1_TR7 MAIN LIGHTING DISTRIBUTION BOARD AT SS‐1 SS1_MLDB 80 ‐ 230 251.0 0.95 ‐ 0.76 0.65 3.5 240 A2XFY 326 ‐ 211.90 2 423.80 20 ‐ 0.80 0.16 0.07 0 0.17 0.00 0.74
SUBSTATION (SS‐1)
MAIN LIGHTING DISTRIBUTION BOARD
WELDING DB AT SS­1
CONVEYOR‐719
SUBSTATION (SS‐1)
SILO BUILDING
PUMP HOUSE‐1 DFDS1
PARKING STATION‐1
PMCC
SUBSTATION (SS‐1)
TAIL DRIVE HOUSE
TRANSFER HOUSE TH‐2A
PMCC
TRANSFER HOUSE TH‐2
TRANSFER HOUSE TH‐1
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 2 OF 12

3. From
Equipment Tag
No.
To
Equipment Tag
No.
Motor/Eq
uipment
Voltage
Rating
(V)
For 45
Deg amb.
Cable laid
on tray
exposed to
air
Cables laid
inside
concrete
trench
Over­all
Rating
Factor
Derated
current
rating of
cable
No. of run
required of
selected
cable size
Selected No.
of run
Net Current
Provided
Starting
PF of
Motor
Running
PF of
Motor
Resistance
at 90deg .C
( R )
Reactance
at 50Hz
( XL )
Starting
Impedance
Ohms/Km
Zstart
Running
Impedance
Ohms/Km
Zrun
Starting
Vdrop in
volts
Vstart
Running
Vdrop in
volts
Vrun
Avg.of air &
ground
rating
Cable
Length Per
Run (m)
Deration factor
Full Load
Current in
Amp (Ifc)
Motor
Efficiency
No of
Core
Installed
Output
Power
(kW
rated)
Cable
Type
Selected
Cable Size
Voltage Drop Calculation
Feeder Description
Feeder Description
Current rating Of cable
Selected
Sr.No.
Drive
Type
Plant Area
2 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐1 AT TH‐1 LDB1 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 120 A2XFY ‐ 257 166.02 1 166.02 350 ‐ 0.80 0.32 0.07 0 0.30 0.00 6.63
3 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐2 AT CONV.‐719 LDB2 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 70 A2XFY ‐ 179 115.63 1 115.63 150 ‐ 0.80 0.57 0.07 0 0.50 0.00 4.69
4 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐3 AT SILO BUILDING GRD. FLOOR LDB3 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 70 A2XFY ‐ 179 115.63 1 115.63 170 ‐ 0.80 0.57 0.07 0 0.50 0.00 5.31
5 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐4 AT TAIL DRIVE HOUSE LDB‐4 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 50 A2XFY ‐ 142 91.73 1 91.73 150 ‐ 0.80 0.82 0.08 0 0.70 0.00 6.60
6 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐5 AT TH‐2 LDB‐5 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 50 A2XFY 133 ‐ 85.92 1 85.92 150 ‐ 0.80 0.82 0.08 0 0.70 0.00 6.60
7 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐6 AT TH‐2A LDB‐6 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 50 A2XFY ‐ 142 91.73 1 91.73 150 ‐ 0.80 0.82 0.08 0 0.70 0.00 6.60
8 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐7 AT SS‐1 GROUND FLOOR LDB‐7 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 4 25 A2XFY ‐ 108 69.77 1 69.77 50 ‐ 0.80 1.54 0.08 0 1.28 0.00 4.02
9 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐8 AT SS‐1 FIRST FLOOR LDB‐8 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 35 A2XFY ‐ 117 75.58 1 75.58 100 ‐ 0.80 1.11 0.08 0 0.93 0.00 5.87
TRANSFER HOUSE‐1
TAIL DRIVE HOUSE
CONV.‐719
SS‐1 GROUND FLOOR
TRANSFER HOUSE‐2A
TRANSFER HOUSE‐2
SS‐1 FIRST FLOOR
SILO BUILDING
10 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB LDB‐9 AT PUMP HOUSE‐1(DFDS1) LDB‐9 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 95 A2XFY ‐ 221 142.77 1 142.77 250 ‐ 0.80 0.41 0.07 0 0.37 0.00 5.83
11 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS1_MLDB SLDB‐1 at SS1 SLDB1 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 95 A2XFY ‐ 221 142.77 1 142.77 300 ‐ 0.80 0.41 0.07 0 0.37 0.00 6.99
1 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB FPDB AT CONV.‐718 TAIL END OR CH FPDB_718 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.30 1 40.30 350 ‐ 0.80 3.94 0.08 0 3.20 0.00 1.95
2 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB FPDB AT TRANSFER HOUSE TH‐1 FPDB_TH1 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.30 1 40.30 350 ‐ 0.80 3.94 0.08 0 3.20 0.00 1.95
3 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB FPDB AT TRANSFER HOUSE TH‐2 FPDB_TH2 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.30 1 40.30 150 ‐ 0.80 3.94 0.08 0 3.20 0.00 0.84
4 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB FPDB AT TRANSFER HOUSE TH‐2A FPDB_TH2A 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.30 1 40.30 150 ‐ 0.80 3.94 0.08 0 3.20 0.00 0.84
5 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB FPDB AT PUMP HOUSE‐1(DFDS1) FPDB_DFDS1 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.30 1 40.30 150 ‐ 0.80 3.94 0.08 0 3.20 0.00 0.84
6 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO DIST.TRAFO‐1 MARSH.BOX TR1 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
7 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO CONV.TRAFO‐3 MARSH.BOX TR3 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
8 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO CONV.TRAFO‐4 MARSH.BOX TR4 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
9 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO LIGHT .TRAFO‐7 MARSH.BOX TR7 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
10 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO WELDING TRAFO‐9 MARSH.BOX TR9 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
11 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO BUSDUCT OF PMCC BD1 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
12 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO OF 6.6KV SWGR. 6.6KV SWGR 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
STREET LIGHTING
AUX. POWER DISTRIBUTION BOARD
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
PUMP HOPUSE‐1
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
13 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO BUSDUCT OF CONV.INC‐1 BD2 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
14 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO BUSDUCT OF CONV.INC.‐2 BD3 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
15 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO FIRE PANEL AT SS‐1 FAP 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
16 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO BRAKE PANEL‐1 BRK PNL‐1 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
17 MCB AUX. POWER DISTRIBUTION BOARD SS1_APDB AUX POWER SUPPLY TO BRAKE PANEL‐2 BRK PNL‐2 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 50 ‐ 0.80 15.50 0.10 0 12.46 0.00 1.08
CABLES FED FROM SS-2 SUBSTATION
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
SUBSTATION (SS‐1)
1 VVVF CONVERTER TRANSFORMER­5 TR5 727­VVF PANEL VF727
2 VVVF CONVERTER TRANSFORMER­6 TR6 727­VVF PANEL VF727
3 VVVF CONVEYOR‐727 VVF PANEL AT SS‐2 VF721 CONV 727 (REVERSIBLE) MOTOR M_727 450 0.96 690 484.2 0.95 0.68 ‐ 0.65 3 300 A2XFY ‐ 455 455 295.75 1.64 2 591.50 300 ‐ 0.81 0.13 0.07 0.00 0.15 0.00 18.24
3A VVVF
CONVEYOR‐727 VVF PANEL AT SS‐2‐DRIVE PANEL
EARTH
VF721
CONV 727 (REVERSIBLE) FROM DRIVE PANEL EARTH TO MOTOR
EARTH TERMINAL
PE_727 450 3 150 A2XFY 1 300
5 VVVF CONVEYOR‐727 VVF PANEL AT SS‐2 VF723 BREAKING RESISTER‐1 AT GROUND FLOOR OF SS‐2 BR1_727 400 ‐ 980 ‐ ‐ ‐ ‐ ‐ CU ‐ ‐ ‐ 1 ‐ ‐ 40 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐
4 PMCC DISTRIBUTION TRANSFORMER­2 TR2 415V POWER MOTOR CONTROL CENTRE PMCC
5 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC GEAR BOX FOR CONVEYOR‐727 GB_727 1.5 ‐ 415 2.6 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.05 1 40.05 350 ‐ 0.80 3.94 0.08 0 3.20 0.00 5.06
6 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC HYD.BRAKE SYSTEM FOR CONV.727 HYB_727 5 ‐ 415 8.7 0.95 0.68 ‐ 0.65 4 16 A2XFY ‐ 79 51.03 1 51.03 350 ‐ 0.80 2.44 0.08 0 2.00 0.00 10.54
7 DOL SS‐2 SUBSTATION ‐ PMCC SS2_PMCC BELT CONVEYOR 727‐1 MOTOR M‐721‐1 30 0.92 415 56.7 0.95 0.68 ‐ 0.65 3.5 120 A2XFY ‐ 257 166.02 1 166.02 400 0.30 0.80 0.32 0.07 0.17 0.30 46.71 11.86
9 DOL SS‐2 SUBSTATION ‐ PMCC SS2_PMCC BELT CONVEYOR 727‐2 MOTOR M_727‐2 110 0.94 415 191.3 0.95 0.68 ‐ 0.65 3.5 240 A2XFY 326 ‐ 210.60 2 421.19 300 0.30 0.80 0.16 0.07 0.12 0.17 41.41 8.48
10 DOL SS‐2 SUBSTATION ‐ PMCC SS2_PMCC BELT .CONV. 727‐2 THRUSTER BRAKE (Y‐721‐2) THB_721‐2 0.5 ‐ 415 0.9 0.95 0.68 ‐ 0.65 4 4 2XWY 43 ‐ 27.78 1 27.78 300 ‐ 0.80 9.48 0.09 0 7.64 0.00 3.45
10 MCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC SPACE HEATER FOR CONV.727‐2 (SPH‐721‐2) SPH_721‐2 0.6 ‐ 415 1.0 0.95 0.68 ‐ 0.65 3 4 2XWY 43 ‐ 27.78 1 27.78 300 0.80 9.48 0.09 0 7.64 0.00 4.14
11 DOL SS‐2 SUBSTATION ‐ PMCC SS2_PMCC TRANSFER HOUSE‐4 SIREN(H‐TH‐4) HTR_TH4 0.375 0.63 415 1.0 0.95 0.68 ‐ 0.65 4 2.5 2XWY 30 19.38 1 19.38 350 0.40 0.80 15.50 0.10 6.29 12.46 28.28 7.78
12 DOL SS‐2 SUBSTATION ‐ PMCC SS2_PMCC TRANSFER HOUSE‐5 SIREN(H‐TH‐5) HTR_TH5 0.375 0.63 415 1.0 0.95 0.68 ‐ 0.65 4 2.5 2XWY 34 0 21.96 1 21.96 300 0.40 0.80 15.50 0.10 6.29 12.46 24.24 6.67
TRANSFER HOUSE‐4
727 VVVF PANEL
TRANSFER HOUSE‐4 3C X 120Sqmm
TRANSFER HOUSE‐4
TRANSFER HOUSE‐5
SUBSTATION (SS‐2)
TRANSFER HOUSE‐5
BUSDUCT­1
BUSDUCT­2
SS­2 SUBSTATION ­ PMCC
BUSDUCT
SUBSTATION (SS‐2)
TRANSFER HOUSE‐5
TRANSFER HOUSE‐6
BELT CONV.727
BELT CONV.727
TRANSFER HOUSE‐5
SUBSTATION (SS‐2)
TRANSFER HOUSE‐4
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 3 OF 12

4. From
Equipment Tag
No.
To
Equipment Tag
No.
Motor/Eq
uipment
Voltage
Rating
(V)
For 45
Deg amb.
Cable laid
on tray
exposed to
air
Cables laid
inside
concrete
trench
Over­all
Rating
Factor
Derated
current
rating of
cable
No. of run
required of
selected
cable size
Selected No.
of run
Net Current
Provided
Starting
PF of
Motor
Running
PF of
Motor
Resistance
at 90deg .C
( R )
Reactance
at 50Hz
( XL )
Starting
Impedance
Ohms/Km
Zstart
Running
Impedance
Ohms/Km
Zrun
Starting
Vdrop in
volts
Vstart
Running
Vdrop in
volts
Vrun
Avg.of air &
ground
rating
Cable
Length Per
Run (m)
Deration factor
Full Load
Current in
Amp (Ifc)
Motor
Efficiency
No of
Core
Installed
Output
Power
(kW
rated)
Cable
Type
Selected
Cable Size
Voltage Drop Calculation
Feeder Description
Feeder Description
Current rating Of cable
Selected
Sr.No.
Drive
Type
Plant Area
13 DOL SS‐2 SUBSTATION ‐ PMCC SS2_PMCC TRANSFER HOUSE‐6 SIREN(H‐TH‐6) HTR_TH6 0.375 0.63 415 1.0 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 400 0.40 0.80 15.50 0.10 6.29 12.46 32.33 8.89
14 RDOL SS‐2 SUBSTATION ‐ PMCC SS2_PMCC WINCH DRIVE AT TH‐3 WD_TH3 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 150 A2XFY ‐ 292 188.63 1 188.63 550 0.40 0.80 0.26 0.07 0.17 0.25 36.76 7.58
15 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC HYDRAULIC GATE PANEL (HG‐724A) HG‐724A 18.5 ‐ 415 32.2 0.95 0.68 ‐ 0.65 3.5 120 A2XFY ‐ 257 166.02 1 166.02 600 0.40 0.80 0.32 0.07 0.19 0.30 46.90 10.09
17 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC 7.5 T SINGLE GIRDER EOT CRANE (EOT‐727B)‐TH4 EOT‐727B 10 ‐ 415 17.4 0.95 0.68 ‐ 0.65 3.5 50 A2XFY ‐ 142 91.73 1 91.73 400 0.40 0.80 0.82 0.08 0.40 0.70 34.41 8.45
18 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC 3.0 T. ELECT HOIST LP AT TH‐5 (EH‐727A) EH‐727A 5.5 ‐ 415 9.6 0.95 0.68 ‐ 0.65 4 25 A2XFY 94 ‐ 60.72 1 60.72 325 0.40 0.80 1.54 0.08 0.69 1.28 26.74 6.89
19 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC 2.0 T. ELECT HOIST LP AT TH‐6 (EH‐727C) EH‐727C 3.0 ‐ 415 5.2 0.95 0.68 ‐ 0.65 4 25 A2XFY ‐ 108 69.77 1 69.77 450 0.40 0.80 1.54 0.08 0.69 1.28 20.19 5.21
20 MCCB SS‐2 SUBSTATION ‐ PMCC TR10 WELDING TRANSFORMER‐10 AT SS‐2 TR‐10 128 ‐ 415 222.6 0.95 ‐ 0.76 0.65 3.5 95 A2XFY 196 ‐ 127.40 2 254.80 40 ‐ 0.80 0.41 0.07 0 0.37 0.00 2.86
21 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC POWER SUPPLY TO BATT. CHARG PANEL INCOMER‐1 BC 20 ‐ 415 34.8 0.95 ‐ 0.76 0.65 3.5 35 A2XFY 113 ‐ 73.45 1 73.45 40 ‐ 0.80 1.11 0.08 0 0.93 0.00 2.25
TRANSFER HOUSE‐3
TRANSFER HOUSE‐6
TRANSFER HOUSE‐6
TRANSFER HOUSE‐5
SUBSTATION (SS‐2)
TRANSFER HOUSE‐4
SUBSTATION (SS‐2)
TRANSFER HOUSE‐3
22 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC POWER SUPPLY TO BATT. CHARG PANEL INCOMER‐2 BC 20 ‐ 415 34.8 0.95 ‐ 0.76 0.65 3.5 35 A2XFY 113 ‐ 73.45 1 73.45 40 ‐ 0.80 1.11 0.08 0 0.93 0.00 2.25
23 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC A/C & VENTILATION PANEL FOR SS‐2 ACVMCC 90 ‐ 415 156.5 0.95 ‐ 0.76 0.65 3.5 150 A2XFY 249 ‐ 161.85 1 161.85 40 ‐ 0.80 0.26 0.07 0 0.25 0.00 2.76
24 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC POWER DB AT SS‐3 PDB 65 ‐ 415 113.0 0.95 ‐ 0.76 0.65 3.5 185 A2XFY 282 ‐ 183.30 2 366.60 600 ‐ 0.80 0.21 0.07 0 0.21 0.00 12.40
25 MCCB SS‐2 SUBSTATION ‐ PMCC SS2_PMCC AUXILARY POWER DISTRIBUTION BOARD APDB 15 ‐ 415 26.1 0.95 ‐ 0.76 0.65 3.5 10 A2XFY 57 ‐ 37.05 1 37.05 40 ‐ 0.80 3.94 0.08 0 3.20 0.00 5.79
26 MCCB SS‐2 SUBSTATION ‐ PMCC PMCC BELT VULCANIZING AT PS2 BVM_PS2 45.54 ‐ 415 79.2 0.95 ‐ . 0.65 3.5 150 A2XFY 249 ‐ 161.85 1 161.85 300 ‐ 0.80 0.26 0.07 0 0.25 0.00 10.46
27 MCCB SS‐2 SUBSTATION ‐ PMCC PMCC BELT VULCANIZING FOR FABRIC AT TH‐6 BVM_TH6 38.7 ‐ 415 67.3 0.95 ‐ . 0.65 3.5 240 A2XFY 326 ‐ 211.90 1 211.90 500 ‐ 0.80 0.16 0.07 0 0.17 0.00 9.94
28 MCCB SS‐2 SUBSTATION ‐ PMCC PMCC DFDS BOARD AT SS‐2 DFDS‐2 96 ‐ 415 166.9 0.95 ‐ . 0.65 3.5 240 A2XFY 326 ‐ 211.90 3 635.70 600 ‐ 0.80 0.16 0.07 0 0.17 0.00 9.87
1 MCCB WELDING TRANSFORMER‐10 SS2_TR8 WELDING DISTRIBUTION BOARD AT SS‐2 SS2_MLDB 128 ‐ 415 222.6 0.95 ‐ 0.76 0.65 3.5 95 A2XFY 196 ‐ 127.40 2 254.80 40 ‐ 0.80 0.41 0.07 0 0.37 0.00 2.86
2 MCCB WELDING DISTRIBUTION BOARD AT SS‐2 SS2_WDB SOCKET OUTLET AT SS‐2 GROUND FLOOR WS_SS2 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 50 A2XFY 142 91.73 1 91.73 30 ‐ 0.80 0.82 0.08 0 0.70 0.00 1.14
3 MCCB WELDING DISTRIBUTION BOARD AT SS‐2 SS2_WDB WELDING DISTRIBUTION BOARD AT TH‐5 WDB_TH5 50 ‐ 415 87.0 0.95 0.68 ‐ 0.65 3.5 120 A2XFY 223 ‐ 144.06 2 288.12 350 ‐ 0.80 0.32 0.07 0 0.30 0.00 7.96
1 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET OUTLET‐1 AT TH‐5. EL+768.000 WS_TH5 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 50 A2XFY 133 ‐ 85.92 1 85.92 50 ‐ 0.80 0.82 0.08 0 0.70 0.00 1.90
2 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET OUTLET‐1 AT CONV.‐727, EL+744.238 WS_CONV.‐727 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 150 A2XFY 249 ‐ 160.85 1 160.85 250 ‐ 0.80 0.26 0.07 0 0.25 0.00 3.44
3 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET OUTLET‐1 AT TH‐3, EL+726.900 WS_CONV.‐727 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 185 A2XFY 282 ‐ 182.17 1 182.17 275 ‐ 0.80 0.21 0.07 0 0.21 0.00 3.15
4 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET OUTLET‐1 AT PS‐2, EL+734.305 WS_PS2 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 185 A2XFY 282 ‐ 182.17 1 182.17 300 ‐ 0.80 0.21 0.07 0 0.21 0.00 3.43
5 MCCB WELDING DISTRIBUTION BOARD AT TH 5 TH5 WDB WELDING SOCKET 1 OUTLET AT TH 4 EL+754 000 WS TH4 18 415 31 3 0 95 0 68 0 65 3 5 50 A2XFY 133 85 92 1 85 92 50 0 80 0 82 0 08 0 0 70 0 00 1 90
SUBSTATION (SS‐2)
TH‐5
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
TH‐5 & CONV‐727
WELDING DISTRIBUTION BOARD AT TH­5
WELDING DISTRIBUTION BOARD AT SS­2
TH‐3
PS‐2
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
TH 4
CONV.‐727
SUBSTATION (SS‐2)
SUBSTATION (SS‐3)
SUBSTATION (SS‐2)
5 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET‐1 OUTLET AT TH‐4, EL+754.000 WS_TH4 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 50 A2XFY 133 ‐ 85.92 1 85.92 50 ‐ 0.80 0.82 0.08 0 0.70 0.00 1.90
6 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET OUTLET‐1 AT CONV.‐727‐1, EL+765.946 WS_TH6 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 70 A2XFY 164 ‐ 105.94 1 105.94 100 ‐ 0.80 0.57 0.07 0 0.50 0.00 2.70
6 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET OUTLET‐1 AT CONV.‐727‐2, EL+765.946 WS_TH6 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 70 A2XFY 164 ‐ 105.94 1 105.94 100 ‐ 0.80 0.57 0.07 0 0.50 0.00 2.70
7 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET OUTLET‐1 AT TH‐6, EL+769.718 WS_TH6 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 95 A2XFY 196 ‐ 126.62 1 126.62 150 ‐ 0.80 0.41 0.07 0 0.37 0.00 3.02
CONV‐727‐1
TH‐6
CONV‐727‐2
TH‐4
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 4 OF 12

5. From
Equipment Tag
No.
To
Equipment Tag
No.
Motor/Eq
uipment
Voltage
Rating
(V)
For 45
Deg amb.
Cable laid
on tray
exposed to
air
Cables laid
inside
concrete
trench
Over­all
Rating
Factor
Derated
current
rating of
cable
No. of run
required of
selected
cable size
Selected No.
of run
Net Current
Provided
Starting
PF of
Motor
Running
PF of
Motor
Resistance
at 90deg .C
( R )
Reactance
at 50Hz
( XL )
Starting
Impedance
Ohms/Km
Zstart
Running
Impedance
Ohms/Km
Zrun
Starting
Vdrop in
volts
Vstart
Running
Vdrop in
volts
Vrun
Avg.of air &
ground
rating
Cable
Length Per
Run (m)
Deration factor
Full Load
Current in
Amp (Ifc)
Motor
Efficiency
No of
Core
Installed
Output
Power
(kW
rated)
Cable
Type
Selected
Cable Size
Voltage Drop Calculation
Feeder Description
Feeder Description
Current rating Of cable
Selected
Sr.No.
Drive
Type
Plant Area
8 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB WELDING SOCKET OUTLET‐1 AT PUMP HOUSE‐2 WS_SS3 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 120 A2XFY ‐ 257 166.02 2 332.04 400 ‐ 0.80 0.32 0.07 0 0.30 0.00 3.27
9 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB
WELDING SOCKET OUTLET‐1 AT TRANSFER STATION,
EL+766.733
WS_TS 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 95 A2XFY ‐ 221 142.77 1 142.77 150 ‐ 0.80 0.41 0.07 0 0.37 0.00 3.02
10 MCCB WELDING DISTRIBUTION BOARD AT TH‐5 TH5_WDB
WELDING SOCKET OUTLET‐1 AT TCONV.‐723 BELT TURN OVER
AREA
WS_BTUA 18 ‐ 415 31.3 0.95 0.68 ‐ 0.65 3.5 95 A2XFY ‐ 221 142.77 1 142.77 150 ‐ 0.80 0.41 0.07 0 0.37 0.00 3.02
1 MCCB AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC AC PANEL(VENDOR) ACP1 75 ‐ 415 130.4 0.95 ‐ 0.76 0.65 3.5 120 A2XFY 223 ‐ 144.95 1 144.95 40 ‐ 0.80 0.32 0.07 0 0.30 0.00 2.73
MCCB AC PANEL(VENDOR) PACKAGE UNIT‐I (11TR) ACP1 25 ‐ 415 43.5 0.95 ‐ 0.76 0.65 4 16 A2XFY 73 ‐ 47.45 1 47.45 40 ‐ 0.80 2.44 0.08 0 2.00 0.00 6.03
MCCB AC PANEL(VENDOR) PACKAGE UNIT‐II (11TR) ACP2 25 ‐ 415 43.5 0.95 ‐ 0.76 0.65 4 16 A2XFY 73 ‐ 47.45 1 47.45 40 ‐ 0.80 2.44 0.08 0 2.00 0.00 6.03
DOL AC PANEL(VENDOR) PUMP‐1 PM‐1 3 ‐ 415 5.2 0.95 ‐ 0.76 0.65 4 6 2XWY 43 ‐ 27.95 1 27.95 40 ‐ 0.80 5.90 0.09 0 4.77 0.00 1.73
AC & VENTILLATION PANEL AT SS­2
SS‐2 AHUROOM
DHC 723 AREA
SS‐2 AHUROOM
SS‐2 AHUROOM
TRANSFER STATION
SS‐2 AHUROOM
TRANSFER STATION
DOL AC PANEL(VENDOR) PUMP‐2 PM‐2 1.5 ‐ 415 2.6 0.95 ‐ 0.76 0.65 4 6 2XWY 43 ‐ 27.95 1 27.95 40 ‐ 0.80 5.90 0.09 0 4.77 0.00 0.86
2 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC EXAUST FAN EF‐1(CAP BANK ROOM) EXF1 0.55 ‐ 415 1.0 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 3.00 0.83
3 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC EXAUST FAN EF‐2(BATTERY ROOM) EXF2 0.55 ‐ 415 1.0 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 3.00 0.83
4 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC EXAUST FAN EF‐3(MLDB ROOM) EXF3 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
5 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC EXAUST FAN EF‐4(PMCC) EXF4 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
6 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC EXAUST FAN EF‐5(CABLE FOOR) EXF5 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
7 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC EXAUST FAN EF‐6(PMCC) EXF6 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
8 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC EXAUST FAN EF‐7(PMCC) EXF7 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
9 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC EXAUST FAN EF‐8(PMCC) EXF8 0.25 ‐ 415 0.4 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
10 DOL AC & VENTILLATION PANEL AT SS‐2 SS2_ACVMCC SUPPLY FAN‐1 AT SS‐2 AF‐1 11 ‐ 415 19.1 0.95 ‐ 0.76 0.65 4 10 2XWY 57 ‐ 37.05 1 37.05 40 0.40 0.80 3.94 0.08 1.65 3.20 15.77 4.24
MAIN LIGHTING DISTRIBUTION BOARD AT SS­2
1 MCCB LIGHTING TRANSFORMER‐8 SS2_TR8 MLDB AT SS‐2 SS2_MLDB 80 ‐ 230 251.0 0.95 ‐ 0.76 0.65 3.5 240 A2XFY 326 ‐ 211.90 2 423.80 20 ‐ 0.80 0.16 0.07 0 0.17 0.00 0.74
2 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐10 AT PS2 LDB‐10 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 185 A2XFY ‐ 337 217.70 2 435.40 600 ‐ 0.80 0.21 0.07 0 0.21 0.00 6.88
3 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐11 AT TH‐3 LDB‐11 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 185 A2XFY ‐ 337 217.70 2 435.40 600 ‐ 0.80 0.21 0.07 0 0.21 0.00 6.88
4 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐12 AT CONV‐727 LDB‐12 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 95 A2XFY ‐ 221 142.77 2 285.53 350 ‐ 0.80 0.41 0.07 0 0.37 0.00 7.07
5 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐13 AT TH‐5 LDB‐13 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 240 A2XFY 326 ‐ 210.60 1 210.60 350 ‐ 0.80 0.16 0.07 0 0.17 0.00 6.49
TRANSFER HOUSE‐3
AC VENT PANEL
SUBSTATION (SS‐2)
PMCC
CONV‐723
PMCC
SS‐2 AHUROOM
CAP BANK ROOM
PMCC
BATTERU ROOM
PMCC
PARKING STATION‐2
CABLE FLOOR
TRANSFER HOUSE‐5
MLDB ROOM
6 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐14 AT TH‐4 LDB‐14 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 185 A2XFY ‐ 337 217.70 1 217.70 350 ‐ 0.80 0.21 0.07 0 0.21 0.00 8.03
7 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐15 AT TH‐6 LDB‐15 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 240 A2XFY ‐ 399 257.75 1 257.75 400 ‐ 0.80 0.16 0.07 0 0.17 0.00 7.42
8 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐16 AT TRANSFER STATION,CONV‐727‐1 LDB‐16 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 120 A2XFY ‐ 257 166.02 2 332.04 500 ‐ 0.80 0.32 0.07 0 0.30 0.00 8.20
9 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐17 AT SS‐2 GROUND FLOOR LDB‐17 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 4 25 A2XFY ‐ 108 69.77 1 69.77 30 ‐ 0.80 1.54 0.08 0 1.28 0.00 4.17
10 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐18 AT SS‐2 FIRST FLOOR LDB‐18 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 4 25 A2XFY ‐ 108 69.77 1 69.77 50 ‐ 0.80 1.54 0.08 0 1.28 0.00 6.96
11 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB LDB‐19 AT SS‐3 & PUMP AREA LDB‐19 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 3.5 240 A2XFY ‐ 399 257.75 1 257.75 400 ‐ 0.80 0.16 0.07 0 0.17 0.00 7.42
12 MCCB MAIN LIGHTING DISTRIBUTION BOARD SS2_MLDB SLDB2‐STREETLIGHTING SLDB1 20 ‐ 230 62.8 0.95 0.68 ‐ 0.65 4 25 A2XFY ‐ 108 69.77 1 69.77 50 ‐ 0.80 1.54 0.08 0 1.28 0.00 6.96
AUX. POWER DISTRIBUTION BOARD
1 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB FPDB AT TRANSFER HOUSE TH‐3 FPDB_TH3 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.05 1 40.05 550 ‐ 0.80 3.94 0.08 0 3.20 0.00 3.06
2 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB FPDB AT TRANSFER HOUSE TH‐4 FPDB_TH4 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.05 1 40.05 350 ‐ 0.80 3.94 0.08 0 3.20 0.00 1.95
3 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB FPDB AT TRANSFER HOUSE TH‐5 FPDB_TH5 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY 57 ‐ 36.82 1 36.82 300 ‐ 0.80 3.94 0.08 0 3.20 0.00 1.67
4 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB FPDB AT TRANSFER HOUSE TH‐6 FPDB_TH6 1 ‐ 415 1.7 0.95 0.68 ‐ 0.65 4 10 2XWY ‐ 62 40.05 1 40.05 400 ‐ 0.80 3.94 0.08 0 3.20 0.00 2.23
5 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO DIST.TRAFO‐2 MARSH.BOX TR2 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
6 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO CONV.TRAFO‐5 MARSH.BOX TR5 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
7 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO CONV.TRAFO‐6 MARSH.BOX TR6 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
8 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO LIGHT .TRAFO‐8 MARSH.BOX TR8 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
8 MCB AUX POWER DISTRIBUTION BOARD SS2 APDB AUX POWER SUPPLY TO WELDING TRAFO 10 MARSH BOX TR10 1 415 1 7 0 95 0 76 0 65 4 2 5 2XWY 34 22 10 1 22 10 40 0 80 15 50 0 10 0 12 46 0 00 0 87
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SS2‐FIRST FLOOR
SUBSTATION (SS‐2)
TRANSFER HOUSE‐6
SS2‐GROUND FLOOR
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
STREETLIGHTS
SS3 & PUMP AREA
CONV 727‐1
SUBSTATION (SS 2)
TRANSFER HOUSE‐4
8 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO WELDING TRAFO‐10 MARSH.BOX TR10 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
9 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO BUSDUCT OF PMCC BD1 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
9 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO 6.6KV SWITCHGEAR 6.6KV SWGR 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
10 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO BUSDUCT OF CONV.INC‐1 BD2 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
11 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO BUSDUCT OF CONV.INC.‐2 BD3 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
12 MCB AUX. POWER DISTRIBUTION BOARD SS2_APDB AUX POWER SUPPLY TO FIRE PANEL AT SS‐2 FAS 1 ‐ 415 1.7 0.95 ‐ 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 ‐ 0.80 15.50 0.10 0 12.46 0.00 0.87
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
SUBSTATION (SS‐2)
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 5 OF 12

6. From
Equipment Tag
No.
To
Equipment Tag
No.
Motor/Eq
uipment
Voltage
Rating
(V)
For 45
Deg amb.
Cable laid
on tray
exposed to
air
Cables laid
inside
concrete
trench
Over­all
Rating
Factor
Derated
current
rating of
cable
No. of run
required of
selected
cable size
Selected No.
of run
Net Current
Provided
Starting
PF of
Motor
Running
PF of
Motor
Resistance
at 90deg .C
( R )
Reactance
at 50Hz
( XL )
Starting
Impedance
Ohms/Km
Zstart
Running
Impedance
Ohms/Km
Zrun
Starting
Vdrop in
volts
Vstart
Running
Vdrop in
volts
Vrun
Avg.of air &
ground
rating
Cable
Length Per
Run (m)
Deration factor
Full Load
Current in
Amp (Ifc)
Motor
Efficiency
No of
Core
Installed
Output
Power
(kW
rated)
Cable
Type
Selected
Cable Size
Voltage Drop Calculation
Feeder Description
Feeder Description
Current rating Of cable
Selected
Sr.No.
Drive
Type
Plant Area
DFDS BOARD PUMP HOUSE­2 AT SS­3
1 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 DFDS1‐PUMP‐1 AT PUMP HOUSE‐2(W) PM1 1.5 ‐ 415 2.6 0.95 0.79 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 5.04 1.38
2 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 DFDS1‐PUMP‐2 AT PUMP HOUSE‐2(S) PM2 1.5 ‐ 415 2.6 0.95 0.79 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 9.48 0.09 3.88 7.64 5.04 1.38
3 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 SW2‐PUMP‐1 AT PUMP HOUSE‐2(W) SW2_PM1 11 ‐ 415 19.1 0.95 0.79 0.76 0.65 4 10 2XWY 57 ‐ 37.05 1 37.05 40 0.40 0.80 3.94 0.08 1.65 3.20 15.77 4.24
4 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 SW2‐PUMP‐2 AT PUMP HOUSE‐2(S) SW2_PM2 11 ‐ 415 19.1 0.95 0.79 0.76 0.65 4 10 2XWY 57 ‐ 37.05 1 37.05 40 0.40 0.80 3.94 0.08 1.65 3.20 15.77 4.24
5 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 DW2‐PUMP‐1 AT PUMP HOUSE‐2(W) DW2_PM1 7.5 ‐ 415 13.0 0.95 0.79 0.76 0.65 4 6 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 5.90 0.09 2.44 4.77 15.88 4.31
CABLES FED FROM SS-3 SUBSTATION
PUMP HOUSE‐2 AT SS‐3
PUMP HOUSE‐2 AT SS‐3
PUMP HOUSE‐2 AT SS‐3
PUMP HOUSE‐2 AT SS‐3
PUMP HOUSE‐2 AT SS‐3
6 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 DW2‐PUMP‐2 AT PUMP HOUSE‐2(S) DW2_PM2 7.5 ‐ 415 13.0 0.95 0.79 0.76 0.65 4 6 2XWY 43 ‐ 27.95 1 27.95 40 0.40 0.80 5.90 0.09 2.44 4.77 15.88 4.31
7 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 COMPRESSOR‐1 AT PUMP HOUSE‐2 (W) CP1 75 ‐ 415 130.4 0.95 0.79 0.76 0.65 3.5 185 A2XFY 282 ‐ 183.30 1 183.30 40 0.40 0.80 0.21 0.07 0.15 0.21 9.75 1.91
8 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 COMPRESSOR‐2 AT PUMP HOUSE‐2 (S) CP2 75 ‐ 415 130.4 0.95 0.79 0.76 0.65 3.5 185 A2XFY 282 ‐ 183.30 1 183.30 40 0.40 0.80 0.21 0.07 0.15 0.21 9.75 1.91
9 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 EXAUST FAN ‐1 AT PUMP HOUSE‐2(W) EXF1 0.25 ‐ 415 0.4 0.95 0.79 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
10 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 EXAUST FAN ‐2 AT PUMP HOUSE‐2(S) EXF2 0.25 ‐ 415 0.4 0.95 0.79 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
11 DOL DFDS‐2 BOARD AT PUMP HOUSE‐2 DFDS2 EXAUST FAN ‐3 AT PUMP HOUSE‐2(W) EXF3 0.25 ‐ 415 0.4 0.95 0.79 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 40 0.40 0.80 15.50 0.10 6.29 12.46 1.36 0.38
POWER DISTRIBUTION BOARD AT SS­3
1 MCCB POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB VENTILLATION FOR SS‐3 ACVMCC 3 ‐ 415 5.2 0.95 0.68 0.76 0.65 4 4 2XWY 43 ‐ 27.95 1 27.95 50 ‐ 0.80 9.48 0.09 0.00 7.64 0.00 3.45
2 MCCB POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB 7.5 T. ELECT HOIST LP AT TH‐3 (EH‐726) EH‐726 9.37 ‐ 415 16.3 0.95 0.68 ‐ 0.65 4 16 A2XFY ‐ 79 51.03 1 51.03 100 0.40 0.80 2.44 0.08 1.05 2.00 21.34 5.65
3 MCCB POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB 2.0 T. ELECT HOIST LP AT TH‐3 (EH‐726A) EH‐726A 3 ‐ 415 5.2 0.95 0.68 ‐ 0.65 4 16 A2XFY ‐ 79 51.03 1 51.03 100 0.40 0.80 2.44 0.08 1.05 2.00 6.83 1.81
4 MCCB POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB 2.0 T. ELECT HOIST LP AT TH‐3 ( (EH‐726B) EH‐726B 3 ‐ 415 5.2 0.95 0.68 ‐ 0.65 4 16 A2XFY ‐ 79 51.03 1 51.03 100 0.40 0.80 2.44 0.08 1.05 2.00 6.83 1.81
5 MCCB POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB 2.0 T. ELECT HOIST LP AT TH‐3 (EH‐726C) EH‐726C 3 ‐ 415 5.2 0.95 0.68 ‐ 0.65 4 16 A2XFY ‐ 79 51.03 1 51.03 100 0.40 0.80 2.44 0.08 1.05 2.00 6.83 1.81
6 MCCB POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB 5 T UNDER SLUNG EOT CRANE LP AT PS‐2(EH‐723B) EH‐723B 6 ‐ 415 10.4 0.95 0.68 ‐ 0.65 3.5 50 A2XFY ‐ 142 91.73 1 91.73 610 0.40 0.80 0.82 0.08 0.40 0.70 31.49 7.73
7 DOL POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB SIREN AT TH3 H‐TH‐3 HTR_TH3 0.375 ‐ 415 0.7 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 550 0.40 0.80 15.50 0.10 6.29 12.46 28.13 7.74
8 DOL POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB SUPPLY FAN‐1 AT SS‐3 SF_SS3 1.5 ‐ 415 2.6 0.95 0.68 ‐ 0.65 4 2.5 2XWY ‐ 30 19.38 1 19.38 25 0.40 0.80 15.50 0.10 6.29 12.46 5.12 1.41
9 DOL POWER DISTRIBUTION BOARD AT SS 3 SS3 PDB EXAUST FAN 1 AT SS 3 EXF SS3 0 25 415 0 4 0 95 0 68 0 76 0 65 4 2 5 2XWY 34 22 10 1 22 10 25 0 40 0 80 15 50 0 10 6 29 12 46 0 85 0 23
PUMP HOUSE‐2 AT SS‐3
TRANSFER HOUSE‐3
PUMP HOUSE‐2 AT SS‐3
TRANSFER HOUSE‐3
TRANSFER HOUSE‐3
PUMP HOUSE‐2 AT SS‐3
PUMP HOUSE‐2 AT SS‐3
PUMP HOUSE‐2 AT SS‐3
SUBSTATION (SS‐3)
SUBSTATION (SS‐3)
TRANSFER HOUSE‐3
SUBSTATION (SS‐3)
TRANSFER HOUSE‐3
PARKING STATION‐3
PUMP HOUSE‐2 AT SS‐3
9 DOL POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB EXAUST FAN‐1 AT SS‐3 EXF_SS3 0.25 ‐ 415 0.4 0.95 0.68 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 25 0.40 0.80 15.50 0.10 6.29 12.46 0.85 0.23
10 MCCB POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB SUPPLY FOR BF ‐725 VVVF PANEL VF725 45 ‐ 415 78.3 0.95 0.68 0.76 0.65 3.5 70 A2XFY 164 ‐ 106.60 1 106.60 25 0.80 0.57 0.07 0.50 0.00 1.69
11 DOL POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB HYD. OPERATED GATE 724A 18.5 ‐ 415 32.2 0.95 0.68 ‐ 0.65 3.5 95 A2XFY ‐ 221 143.65 1 143.65 100 0.40 0.80 0.41 0.07 0.23 0.37 9.24 2.07
12 DOL POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB WINCH DRIVE FOR DHC 723 AT TH‐3 WD_723 15 ‐ 415 26.1 0.95 0.68 ‐ 0.65 3.5 70 A2XFY ‐ 179 116.35 1 116.35 70 0.40 0.80 0.57 0.07 0.29 0.50 6.71 1.57
13 DOL POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB SPLIT AC UNIT AT SS‐3 ACU 2 ‐ 415 3.5 0.95 0.68 0.76 0.65 4 4 A2XFY 43 ‐ 27.95 1 27.95 30 0.80 9.48 0.09 7.64 0.00 1.38
14 MCB POWER DISTRIBUTION BOARD AT SS‐3 SS3_PDB AUX POWER SUPPLY TO FIRE PANEL AT SS‐3 FAP 1 ‐ 415 1.7 0.95 0.68 0.76 0.65 4 2.5 2XWY 34 ‐ 22.10 1 22.10 30 ‐ 0.80 15.50 0.10 0.00 12.46 0.00 0.65
VF725 PANEL
1 VVVF BF ‐725 VVVF PANEL VF‐725 BELT FEEDER BF‐725 MOTOR M_725 45 0.92 415 85.1 0.95 0.68 0.65 3.5 70 A2XFY 164 ‐ 105.94 1 105.94 90 0.30 0.80 0.57 0.07 0.24 0.50 22.98 6.60
2 DOL BF ‐725 VVVF PANEL VF‐725 BRAKE FOR BF‐725 THB_725 0.5 ‐ 415 0.9 0.95 0.68 ‐ 0.65 4 4 2XWY ‐ 36 23.26 1 23.26 90 ‐ 0.80 9.48 0.09 0.00 7.64 0.00 1.04
3 MCB BF ‐725 VVVF PANEL VF‐725 SPACE HEATER FOR BF‐725 SPH_725 0.4 ‐ 415 0.7 0.95 0.68 ‐ 0.65 3 4 2XWY ‐ 36 23.26 1 23.26 90 0.80 9.48 0.09 0 7.64 0.00 0.83
VENTILATION SYSTEM FOR SS­3
1 DOL VENTILLATION PANEL AT SS‐3 VNTMCC C.F.SUPPLY AIR FAN CFS 1.5 ‐ 415 2.6 0.95 0.68 0.76 0.65 4 4 A2XFY 43 ‐ 27.95 1 27.95 30 0.80 0.80 9.48 0.09 7.64 7.64 7.46 1.04
2 DOL VENTILLATION PANEL AT SS‐3 VNTMCC A.F.EXAUST AIR FAN AFE 0.25 ‐ 415 0.4 0.95 0.68 0.76 0.65 4 4 A2XFY 43 ‐ 27.95 1 27.95 30 0.80 0.80 9.48 0.09 7.64 7.64 1.24 0.17
NOTE:­ 1. IF ANY CHANGE IN EQUIPMENT KW RATING /QTY/LOCATION OF THE EQUIPMENT/METHOD OF LAYING/CABLE LENGTH,THE CABLE SIZING CALCULATION SHALL BE SUITABLEY UPGRADE BY ELECON.
SUBSTATION (SS‐3)
SUBSTATION (SS‐3)
SUBSTATION (SS‐3)
TRANSFER HOUSE‐3
TRANSFER HOUSE‐3
TRANSFER HOUSE‐3
TRANSFER HOUSE‐3
SUBSTATION (SS‐3)
TRANSFER HOUSE‐3
SUBSTATION (SS‐3)
SUBSTATION (SS‐3)
FOR WELDING SOCKET OUTLT AT FIELD ,EARTH CONDUCTOR EQUAL TO SIZE OF NEUTRAL CONDUCTOR TO BE PROVIDED USING 1 CORE INSULATED EARTHING CABLE FROM NEAR BY EARTH BUS.
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 6 OF 12

7. Starting
Vdrop in
% of
Rated
Vstart%
Running
Vdrop in %
of Rated
Vrun%
Total
Quantity of
Cable
Length
0.00 1.54 450
150
0.00 1.54 450
150
‐ ‐ 40
‐ ‐ 40
‐ ‐ 40
‐ ‐ 40
0.00 1.05 30
0.00 1.25 150
0.00 1.25 150
0.00 1.39 150
0.00 1.39 150
0.00 0.56 30
0.00 0.56 30
1.56 0.43 80
2.14 0.59 110
2.92 0.80 150
2.92 0.80 150
8 59 2 31 700
8.59 2.31 700
0.00 0.78 350
5.77 1.55 240
0.00 0.27 120
6.82 1.87 350
0.00 0.68 150
0.00 0.69 250
0.00 0.42 150
0.00 2.08 350
0.00 1.88 150
0.00 1.47 325
7.77 1.91 150
9.57 2.60 125
5.74 1.56 150
10.24 2.40 350
9.07 2.44 350
5.39 1.32 100
5.74 1.56 150
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 7 OF 12

8. Starting
Vdrop in
% of
Rated
Vstart%
Running
Vdrop in %
of Rated
Vrun%
Total
Quantity of
Cable
Length
3.19 0.87 125
7.68 2.03 175
0.00 2.08 600
0.00 0.53 30
0.00 0.52 60
0.00 0.77 30
5.40 1.78 150
0.00 0.49 30
0.00 0.49 30
6.15 1.77 100
0.00 0.28 100
0.00 0.22 100
0.00 1.05 30
0.00 2.47 150
0.89 0.24 40
0.89 0.24 40
6.08 1.66 40
6.08 1.66 40
3.00 0.82 40
3.00 0.82 40
3.22 0.66 40
3.22 0.66 40
0.20 0.06 40
0.20 0.06 40
0.20 0.06 40
0.00 0.87 40
0.00 0.75 40
0.00 0.75 40
0.00 1.09 40
0.00 1.09 40
0.33 0.09 40
3.80 1.02 40
0.72 0.20 40
0.72 0.20 40
0.33 0.09 40
0.33 0.09 40
0.33 0.09 40
0.33 0.09 40
0.33 0.09 40
0.00 0.69 80
0.00 0.32 35
0.00 0.92 100
0.00 0.73 150
0.00 0.73 150
0.00 0.81 125
0.00 0.73 150
0.00 0.78 350
0.00 0.83 300
0.00 0.81 125
0.00 0.18 40
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 8 OF 12

9. Starting
Vdrop in
% of
Rated
Vstart%
Running
Vdrop in %
of Rated
Vrun%
Total
Quantity of
Cable
Length
0.00 1.60 350
0.00 1.13 150
0.00 1.28 170
0.00 1.59 150
0.00 1.59 150
0.00 1.59 150
0.00 0.97 50
0.00 1.41 100
0.00 1.40 250
0.00 1.69 300
0.00 0.47 350
0.00 0.47 350
0.00 0.20 150
0.00 0.20 150
0.00 0.20 150
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 0.26 50
0.00 2.64 600
‐ ‐ 40
0.00 1.22 350
0.00 2.54 350
11.25 2.86 400
9.98 2.04 600
0.00 0.83 300
0.00 1.00 300
6.82 1.87 350
5.84 1.61 300
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 9 OF 12

10. Starting
Vdrop in
% of
Rated
Vstart%
Running
Vdrop in %
of Rated
Vrun%
Total
Quantity of
Cable
Length
7.79 2.14 400
8.86 1.83 550
11.30 2.43 600
8.29 2.04 400
6.44 1.66 325
4.87 1.25 450
0.00 0.69 80
0.00 0.54 40
0.00 0.54 40
0.00 0.66 40
0.00 2.99 1200
0.00 1.39 40
0.00 2.52 300
0.00 2.40 500
0.00 2.38 1800
0.00 0.69 80
0.00 0.27 30
0.00 1.92 700
0.00 0.46 50
0.00 0.83 250
0.00 0.76 275
0.00 0.83 300
0 00 0 46 50
0.00 0.46 50
0.00 0.65 100
0.00 0.65 100
0.00 0.73 150
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 10 OF 12

11. Starting
Vdrop in
% of
Rated
Vstart%
Running
Vdrop in %
of Rated
Vrun%
Total
Quantity of
Cable
Length
0.00 0.79 800
0.00 0.73 150
0.00 0.73 150
0.00 0.66 40
0.00 1.45 40
0.00 1.45 40
0.00 0.42 40
0.00 0.21 40
0.72 0.20 40
0.72 0.20 40
0.33 0.09 40
0.33 0.09 40
0.33 0.09 40
0.33 0.09 40
0.33 0.09 40
0.33 0.09 40
3.80 1.02 40
0.00 0.18 40
0.00 1.66 1200
0.00 1.66 1200
0.00 1.70 700
0.00 1.56 350
0.00 1.93 350
0.00 1.79 400
0.00 1.98 1000
0.00 1.01 30
0.00 1.68 50
0.00 1.79 400
0.00 1.68 50
0.00 0.74 550
0.00 0.47 350
0.00 0.40 300
0.00 0.54 400
0.00 0.21 40
0.00 0.21 40
0.00 0.21 40
0.00 0.21 40
0 00 0 21 40
0.00 0.21 40
0.00 0.21 40
0.00 0.21 40
0.00 0.21 40
0.00 0.21 40
0.00 0.21 40
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 11 OF 12

12. Starting
Vdrop in
% of
Rated
Vstart%
Running
Vdrop in %
of Rated
Vrun%
Total
Quantity of
Cable
Length
1.22 0.33 40
1.22 0.33 40
3.80 1.02 40
3.80 1.02 40
3.83 1.04 40
3.83 1.04 40
2.35 0.46 40
2.35 0.46 40
0.33 0.09 40
0.33 0.09 40
0.33 0.09 40
0.00 0.83 50
5.14 1.36 100
1.65 0.44 100
1.65 0.44 100
1.65 0.44 100
7.59 1.86 610
6.78 1.87 550
1.23 0.34 25
0 21 0 06 25
0.21 0.06 25
0.00 0.41 25
2.23 0.50 100
1.62 0.38 70
0.00 0.33 30
0.00 0.16 30
5.54 1.59 90
0.00 0.25 90
0.00 0.20 90
1.80 0.25 30
0.30 0.04 30
DESIGN CALCULATION SHEET FOR LT POWER CABLEDOC. NO.- EL00009, REV.-04 12 OF 12