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Sutherland.Malad Audit Results Electrical.V1.24 Jan 08
1. Results from Electrical Audit of Sutherland’s Malad Facility, Mumbai Presentation to Mr. K.P. Nair & Mr. Ramunni Nair Version 1 January 17, 2008
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4. Audit Scope of Work ATS LDB Panel UPS SBP 3 x 60 kVA HVAC Panel UPS SBP 20 KVA DB1 DB2 DB3 DB2 DB3 DB4 DB2 DB3 DB4 DB1 DBI DB4 DG Backup DB5 500 kVA DG Energy meter Chiller Plant DB5 DB5 Sever Room Main LT Panel PFC-1 100 KVAR Chiller Distribution AMF-1 AMF-2 AMF Panels Main LT Panel APFC 625 kVA 500 kVA 125 kVA 1 st Floor end to end Power Distribution System 1 1 1 1 1 1 1 1 1 1
5. Audit Scope of Work LTG Panel UPS SBP 3 x 40 kVA HVAC Panel DB1 DB2 DB3 DB2 DB3 DB4 DB2 DB3 DB4 DB1 DBI DB4 DB5 DB5 DB5 ATS DG Backup 500 kVA DG Energy meter Main LT Panel PFC-1 100 KVAR AMF-1 AMF Panels Main LT Panel APFC 2 nd Floor end to end Power Distribution system 1 1 1 1 1
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16. Loads and their Maximum Consumption Electricity Bill Unit = 1kW 2x2x80kVA UPS (For Facility) 30 KVA UPS (For Server Room) AHU & Chiller Plant (AHU 33.69KVA, Chiller 111 KVA) LDB (For Lighting) Current: 58.17 kVA Current: 141.8 kVA Current: 13.47 kVA Current: 144.63 kVA Current: 52.44 kVA 3 Split A/C (2x10TR, 1x7.5TR, 2x5.5TR) Elevator A1, A2, and Pumps Current:12.2 kVA Total: 436.18 kVA Max
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21. Capacity vs. Utilization UPS Continued... 34.4 TOTAL 0.63 0.68 0.68 PF 48.0 55.7 46.9 Current (A) 11.3 235.8 B 12.2 233.9 Y 10.9 233.0 R KVA Voltage (V) 80 kVA-1 34.9 TOTAL 0.65 0.65 0.65 PF 48.1 49.1 50.6 Current (A) 11.5 237.3 B 11.7 235.8 Y 11.7 235.0 R KVA Voltage (V) 80 kVA-2 13.47 TOTAL 0.67 0.68 0.64 PF 19.37 18.67 19.80 Current (A) 4.54 232.8 B 4.34 232.5 Y 4.59 231.5 R KVA Voltage (V) 30 kVA
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23. Capacity vs. Utilization Split AC (6 th Floor UPS Room) UPS Room AC-1 utilization = 5.9/18.7 = 31.5% UPS Room AC-2 utilization = 6.17/18.7 = 33% UPS Room AC-1 and AC-2 utilization = 32.25% Considering 1TR = 3.5KVA, 5.90 TOTAL 0.87 0.85 0.83 PF 10.31 7.52 7.63 Current (A) 2.40 233.9 B 1.74 231.6 Y 1.76 230.2 R KVA Voltage (V) 5.5TR-1 6.17 TOTAL 0.86 0.85 0.87 PF 7.88 7.83 10.65 Current (A) 1.86 234.4 B 1.84 235.0 Y 2.47 233.0 R KVA Voltage (V) 5.5TR-2
24. Capacity vs. Utilization Split AC (8 th Floor UPS Room) UPS Room AC Utilization = 11.11/26.25 = 42.3% 11.11 TOTAL 0.81 0.83 0.77 PF 16.51 15.55 15.64 Current (A) 3.87 234.0 B 3.63 232.3 Y 3.61 230.7 R KVA Voltage (V) 7.5TR
25. Capacity vs. Utilization Split AC (Server UPS Room) Server Room AC-1 Utilization = 14.84/28 = 53% Server Room AC-2 Utilization = 14.42/28 = 51.5% Server Room AC-1 and AC-2 Utilization = 29.26/56 = 52.25% 14.84 TOTAL 0.71 0.77 0.80 PF 19.12 22.53 21.95 Current (A) 4.49 235.0 B 5.24 232.7 Y 5.11 231.6 R KVA Voltage (V) 8TR-1 14.42 TOTAL 0.71 0.77 0.77 PF 18.76 21.89 21.44 Current (A) 4.37 234.2 B 5.07 233.0 Y 4.98 232.6 R KVA Voltage (V) 8TR-2
26. Capacity vs. Utilization 6 th Floor LDB 6 th Floor Lighting Utilization = 9.6/58.17 = 16.5% 9.6 TOTAL 0.86 0.86 0.89 PF 10.65 9.38 20.83 Current (A) 2.51 236.3 B 2.21 235.6 Y 4.88 233.6 R KVA Voltage (V) 6 th Floor
27. Capacity vs. Utilization 7 th Floor LDB 7th Floor Lighting Utilization = 19.69/58.17 = 33.8% 19.69 TOTAL 0.76 0.75 0.72 PF 27.42 26.96 29.00 Current (A) 6.49 237.1 B 6.37 235.5 Y 6.83 233.4 R KVA Voltage (V) 7 th Floor
28. Capacity vs. Utilization 8 th Floor LDB 8th Floor Lighting Utilization = 19.29/58.17 = 33.2% 19.29 TOTAL 0.78 0.79 0.63 PF 31.97 22.62 27.81 Current (A) 7.47 234.4 B 5.31 234.6 Y 6.51 234.5 R KVA Voltage (V) 8 th Floor
29. Capacity vs. Utilization 9 th Floor LDB 9th Floor Lighting Utilization = 9.59/58.17 = 16.5% 9.59 TOTAL 0.2 0.75 0.59 PF 13.45 14.07 13.28 Current (A) 3.16 234.4 B 3.32 235.2 Y 3.11 234.1 R KVA Voltage (V) 9 th Floor
30. Capacity vs. Utilization Elevator (Lift A1 and A2) Elevator A2 Utilization = 6.43/7.5 = 85.7% Elevator A1 Utilization = 5.77/7.5 = 76.9% Total Elevator (A1&A2) Utilization = 12.2/15 = 81.3% 6.43 TOTAL .081 0.79 0.42 PF 8.70 6.74 14.03 Current (A) 1.49 235.8 B 1.66 235.7 Y 3.28 233.7 R KVA Voltage (V) Lift A1 5.77 TOTAL 0.79 0.63 0.49 PF 9.84 7.84 10.07 Current (A) 1.66 236.0 B 2.92 236.6 Y 1.19 234.5 R KVA Voltage (V) Lift A2
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33. Potential Savings on Transformer * (MD charge/kVA/month of Rs. 300/-) x (demand difference of 100 kVA) x (12 months per year) 3,60,000 TOTAL 3,60,000 Shifting to 400 kVA MD instead of 500 kVA * 1 Capex Opex (Annual) Area of Saving #
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39. MV Panel Room Observations Exhaust fan insufficient Doors open
89. Loads and their Maximum Consumption First Floor 500 and 125 kVA MD Total: 346.53 kVA Max Electricity Bill Unit = 1kW 3x60 kVA UPS (For Facility) 20 KVA UPS (For Server Room) AHU (AHU 33.69 kVA) LDB (For Lighting) Current: 54.89 kVA Current: 75.3 kVA Current: 6.34 kVA Current: 50.4 kVA Current: 159.6 kVA Chiller Plant (2x110 TR)
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91. LDB consumption First Floor LDB First Floor Lighting consumption = 54.89 54.8 TOTAL 0.95 0.98 0.96 PF 75.6 80.2 76.1 Current (A) 17.7 235.2 B 19.0 236.1 Y 18.1 237.2 R KVA Voltage (V) LDB