Introduction to Machine Learning Unit-5 Notes for II-II Mechanical Engineering
Dwg 2000k va 386,386_22000 v_final
1.
2.
3.
4.
5.
6. BL
Transformer Specification
Quote. Ref. :
Customer :
Project :
Rated power ...KVA. 2000
Type of transformer - Oil immersed (Hermetically sealed)
Standard - IEC 60076
Cooling System - ONAN
No. of phase - 3
Frequency ...Hz. 50
Rate of voltage : Primary ...V. 22000
: Secondary ...V. 386,386
Vector group - Dy11y11
Tapping Type - Off circuit tap changer
No. of steps - 4
Percentage of tapping - +/- 2 x 2.5 %
Impedance voltage at 75 oC ...% 6.00
No - Load current ...% 0.85
Ambient temperature …oC 40
Average Temperature rise of winding …oC 65
Average Temperature rise of top oil …oC 60
Noise level not more than ...dB 61
No - Load loss ...Watt 2500
Load loss at 75 oC ...Watt 17500
: 25% of rate power ...% 99
Efficiency : 50% of rate power ...% 99.32
at P.F. = 1 : 75% of rate power ...% 99.18
: 100% of rate power ...% 99.01
Voltage regulation : at P.F. = 0.8 ...% 4.35
: at P.F. = 0.9 ...% 3.50
: at P.F. = 1 ...% 1.05
Impulse withstand : Primary winding ...KV. 125
Voltage : Secondary winding ...KV. -
Power frequency : Primary winding ...KV. 50
: Secondary winding ...KV. 3
Terminal arrangement H.V. side Cable
L.V. side Cable
Installation on Concrete foundation
01-07-15 Page1 of 2 File:Spec 2000kVA_22000_386,386_Dy11y11.xls_DGPT2.xls
7. BL
Transformer Specification
Quote. Ref. :
Customer :
Project :
Rated power ...KVA. 2000
Type of transformer - Oil immersed (Hermetically sealed)
Accessories :
H.V. bushing with terminal connector Included
L.V. bushing with terminal connector Included
Grounding pad or earth terminal Included
Lifting lug Included
Upper filter press connection Included
Oil drain, filter press sampling valve Included
Name plate Included
Arcing Horn Included
Skid Base Included
Mechanical pressure relief device Included
DGPT2 Included
Oil level indicator Included
MCCB 63 A. Included
Cable box for HV and LV Included
Testing :
- Routine test
Ratio test at each position of tap Included
Polarity and phase relation test Included
Resistance measurement Included
No-load loss and exciting current test Included
Impedance and load loss test Included
Applied potential test Included
Induced potential test Included
Insulation resistance test Included
Oil test Included
01-07-15 Page2 of 2 File:Spec 2000kVA_22000_386,386_Dy11y11.xls_DGPT2.xls
