Transformer Data Sheet

Date Tested: 09/23/99
Customer Name: HVES
Circuit Name: HVES 15                           
Transtormer Type: Padmount                  
Number: PEI-1090       Class: OA     Three Phase       60 Hertz
Manufacturer: ALSTOM

Voltage Rating: 2400Y/1386 480Y/277                       LV winding: AL
KVA Ratings: 2000     Continuous, Self Cooled             HV winding: AL
                      Continuous, Forced Air              LV: 65 C rise, BIL: 30 KV
                                                          HV: 65 C rise, BIL: 43 KV

Approx. Weight in Pounds -
               Core & Coils   : 4350 OIL: 3301
               Case & Fittings:
               Total          : 11610
			   
Impedance Volts: 5.74 percent at rated volts at: 2000 KVA.

Transformer Test Data

	  Megger Test Results ---
High  ->  Ground : 3.32 M Ohms, @: 5KV DC
Low   ->  Ground : 3.38 M Ohms, @: 1KV DC
High  ->  Low    : 2.42 M Ohms, @: 1KV DC

Tap (V)  Calc.TTR   Phase1     Phase2     Phase3
2520     :5.250     :5.231    : 5.230    : 5.231
2460     :5.125     :5.155    : 5.153    : 5.154
2400     :5.000     :4.999    : 5.000    : 5.000
2340     :4.875     :4.846    : 4.846    : 4.846
2280     :4.750     :4.769    : 4.770    : 4.756

POLARIZATION INDEX: H-G: 1.43     CAPACITENCE IN PICO-FARAD H-G: 0.02
                    L-G: 1.48                               L-G: 0.02
                    H-L: 0.98                               H-L: 0.02