Transformer Data Sheet

Date Tested: 05/01/03
Customer Name: HVES
Circuit Name: HVES 4                           
Transformer Type: OIL                         
Number: PID-0296       Class: OA     Three Phase        60 Hertz
Manufacturer: Alstom

Voltage Rating: 4160x2400  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: 5.82 percent at rated volts at: 1000 KVA.

Transformer Test Data

	  Megger Test Results --
High ->   Ground : 43.8K    M Ohms,  @:    5KV DC
Low  ->   Ground : 26.6K    M Ohms,  @:    1KV DC
High ->   Low    : 50.0K    M Ohms,  @:    1KV DC

Tap (Y)    Calc.TTR   Phase1     Phase2     Phase3
:4368      :15.769    :15.762    :15.764    :15.762
:4264      :15.394    :15.409    :15.411    :15.409
:4160      :15.018    :14.998    :14.999    :14.998
:4056      :14.643    :14.645    :14.647    :14.646
:3952      :14.267    :14.233    :14.236    :14.234
:2400      :8.664     :8.646     :8.647     :8.646

10 Minute Megger Test     PI Data     Capacitance
          H-G: 88.0k M-Ohms    : 2.00      : 0.01 microfarad
          L-G: 57.0k M-Ohms    : 2.16      : 0.01 microfarad
          H-L: 85.6k M-Ohms    : 1.71      : 0.04 microfarad