Transformer Data Sheet

Data Tested: 09/23/99
Customer Name: HVES
Circuit Name: HVES 14                           
Transformer Type: Padmount                   
Number: PEI-1077       Class: OA     Three Phase       60 Hertz
Manufacturer: ALSTOM

Voltage Rating: 4160 X 2400 DELTA 208Y/120                LV winding: AL
KVA Ratings: 500      Continuous, Self Cooled             HV winding: AL
                      Continuous, Forced Air              LV: 65 C rise, BIL: 30 KV
                                                          HV: 65 C rise, BIL: 60 KV

Approx. Weight in Pounds -
               Core & Coils   : 1822 OIL: 1271
               Case & Fittings:
               Total          : 4510
			   
Impedance Volts: 5.19 percent at rated volts at: 500 KVA.

Transformer Test Data

	  Megger Test Results --
High  ->  Ground : 370   M Ohms, @: 5KV DC
Low   ->  Ground : 185   M Ohms, @:.5KV DC
High  ->  Low    : 356 5 M Ohms, @:.5KV DC

Tap (V)   Calc.TTR   Phase1    Phase2     Phase3
4368    : 36.40    : 36.493   : 36.374   : 36.373
4264    : 35.53    : 35.494   : 35.497   : 35.492
4160    : 34.66    : 34.620   : 34.623   : 34.618
4056    : 33.80    : 33.744   : 33.743   : 33.743
3952    : 32.93    : 32.870   : 32.874   : 32.874
2400    : 20       : 19.997   : 19.999   : 19.996

POLARIZATION INDEX: H-G: 1.29     CAPACITENCE IN PICO-FARAD H-G: 0.01
                    L-G: 1.14                               L-G: 0.01
                    H-L: 1.07                               H-L: 0.01