Transformer Data Sheet

Date Tested: 09/23/99
Customer Name: HVES     
Circuit Name: HVES 18                      
Transformer Type: Padmount                   
Number: PEI-1075     Class: OA     Three Phase        60 Hertz
Manufacturer: ALSTOM

Voltage Rating: 480 DELTA 208Y/120                       LV winding: AL
KVA Ratings: 1000     Continuous, Self Cooled            HV winding: AL
                      Continuous, Forced Air             LV: 65 C rise, BIL: 30 KV
                                                         HV: 65 C rise, BIL: 45 KV

Approx. Weight in Pounds -
               Core & Coils   : 2651 OIL: 1904
               Case & Fittings:
               Total          : 7030
			   
Impedance Volts: 7.10 percent at rated volts at: 1000 KVA.

Transformer Test Data

	  Megger Test Results --
High  ->   Ground : 1.31 M Ohms, @: 1KV DC
Low   ->   Ground : 326  M Ohms, @:.5KV DC
High  ->   Low    : 3.42 M Ohms, @:.5KV DC

Tap (V)  Calc.TTR   Phase1    Phase2     Phase3
480        4.0       3.997     3.998      3.995

POLARIZATION INDEX: H-G: 1.54    CAPACITENCE IN RICO-FARAD H-G: 0.01
                    L-G. 3.14                              L-G: 0.01
                    H-L: 1.94                              H-L: 0.02