Transformer Data Sheet

Date Tested: 01/08/2004
Customer Name: HVES    
Circuit Name: HVES 40                         
Transformer Type: Padmount Silicone                 
Number: Q56900-T1S        Class: OA     Three Phase        60 Hertz
Manufacturer: General Electric

Voltage Rating: 4800  - 480Y/277                            LV winding: AL
KVA Ratings: 300       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    : 1100          Fluid: 225 gallons 1800 
               Case & Fittings : 1300
               Total           : 4200
			   
Impedance Volts: 3.92 percent at rated volts at: 300 KVA.

Transformer Test Data

	  Megger Test Results --
High  ->  Ground :  13.3k  M Ohms, @: 5KV DC
Low   ->  Ground : >1.01k  M Ohms, @: 1KV DC
High  ->  Low    :  28.2k  M Ohms, @: 1KV DC

Tap (V)    Calc.TTR    Phase1      Phase2     Phase3
5040     : 18.195     : 18.169     : 18.172    : 18.170
4920     : 17.762     : 17.778     : 17.781    : 17.778
4800     : 17.329     : 17.343     : 17.346    : 17.344
4680     : 16.895     : 16.908     : 16.911    : 16.910
4560     : 16.462     : 16.474     : 16.477    : 16.475

10 Minute
Megger  Tests:                     Pi      Cap.
          H-G: 24.8k M-Ohms     : 1.86      : .01 microfarad
          L-G:>1.01k M-Ohms     : -         : . -
          H-L: 181k M-Ohms      : 6.45      : .01 microfarad