Transformer Data Sheet
Date Tested: 05/01/2003
Customer Name: HVES
Circuit Name: HVES 13                          
Transformer Type: Oil                        
Number: PID-0295      Class: OA     Three Phase       60 Hertz
Manufacturer: ALSTOM

Voltage Rating: 4160 X 2400 DELTA 480Y/277               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: 60 KV
Approx. Weight in Pounds -
               Core & Coils   : 2653        Oil : 269 gallons, 1986 lbs.
               Case & Fittings:
               Total          : 7110

Impedance Volts: 5.71 percent at rated volts at: 1000 KVA.

Transformer Test Data

	  Megger Test Results
High -> Ground : 36.0k     M Ohms, @: 5KV DC
Low  -> Ground : 24.0k     M Ohms, @: 1KV DC
High -> Low    : 52.5k     M Ohms, @: 1KV DC

Tap (V)      Calc.TTR         Phase1     Phase2     Phase3
: 4368      : 15.769        : 15.763    : 15.764   : 15.763
: 4264      : 15.394        : 15.410    : 15.412   : 15.410
: 4160      : 15.018        : 14.998    : 15.000   : 14.998
: 4056      : 14.643        : 14.646    : 14.647   : 14.646
: 3952      : 14.267        : 14.234    : 14.235   : 14.233
: 2400      : 8.664         : 8.646     : 8.647    : 8.647

10 Minute Megger Test          PI Data     Capacitance
          H-G: 73.5k  M-Ohms    : 2.04      : 0.01 microfarad
          L-G: 66.5k  M-Ohms    : 2.76      : 0.02 microfarad
          H-L: 121.0k M-Ohms    : 2.30      : 0.02 microfarad