Transformer Data Sheet

Date Tested: 05/01/03
Customer Name: HVES    
Circuit Name: HVES-19                         
Transformer Type: Pad/Oil                       
Number: PID-0297        Class: OA      Three Phase        60 Hertz
Manufacturer: Alstom

Voltage Rating: 416OX2400 - 48OY/277                         LY winding: AL
KYA Ratings: 1000      Continuous, Self Cooled               HV winding: AL
                       Continuous, Forced Air                LV: 65 C rise, BIL: 30 KV
                                                             HV:    C rise, BIL: 60 KV

Approx. Weight in Pounds -
               Core & Coils   : 2653           Oil: 269 gallons, 1986 lbs.
               Case & Fittings:
               Total          : 7110
			   
Impedance Volts: 6.0 percent at rated volts at: 1000 KVA.

Transformer Test Data

	  Megger Test Results --
High -> Ground : 29.2k   M Ohms,     @:  5KV DC
Low  -> Ground : 19.1k   M Ohms,     @:  1KV DC
High -> Low    : 20.0k   M Ohms,     @:  1KV DC

Tip (V)     Calc.TTR    Phase1      Phase2     Phase3
: 4368    : 15.769     : 15.757   : 15.761    : 15.755
: 4264    : 15.394     : 15.403   : 15.408    : 15.403
: 4160    : 15.018     : 14.992   : 14.996    : 14.992
: 4056    : 14.643     : 14.640   : 14.643    : 14.639
: 3952    : 14.267     : 14.640   : 14.643    : 14.227
          :            :          :           :
2400      : 8.664      : 8.648    : 8.644     : 8.642

Megger Test Results:           PI Data:    Capacitance:
         H-G: 61.0k M-Ohms      2.10       0.01 micro-farad
         L-G. 56.0k M-Ohms      2.94       0.01 micro-farad
         H-L: 47.6k M-Ohms      2.38       0.01 micro-farad