Transformer Data Sheet

Date Tested: 10/17/02
Customer Name: HVES    
Circuit Name: HVES 35                         
Transformer Type: Oil/Padmount                 
Number:PHJ-0950     Class: OA        Three Phase         60 Hertz
Manufacturer: Alstom

Voltage Rating: 480Y277 - 208Y120                           LV winding: AL
KVA Ratings: 500      Continuous, Self Cooled               HV winding: AL
                      Continuous, Forced Air                LV: 65 C rise, BIL: 30 KV
                                                            HV: 65 C rise, BIL: 95 KV

Approx. Weight in Pounds
               Core & Coils   :
               Case & Fittings: 
               Total          : 4610
			   
Impedance Volts: 5.1 percent at rated volts at: 500 KVA.

Transformer Test Data

	  Megger Test Results --
High  ->   Ground : 14.0k  M Ohms, @: 1KV DC
Low   ->   Ground : 17.4k  M Ohms, @:.5KV DC
High  ->   Low    : N/A    M Ohms, @:  KV DC

Tap (V)   Calc.TTR    Phase1    Phase2     Phase3
: 480     : 2.3083    :2.250    : 2.250    : 2.280
:         :           :         :          : 
:         :           :         :          : 
:         :           :         :          : 
:         :           :         :          : 


Attachment: 1 min Megger/Polarization Index/Capacitance
      H-G   9.60k M-ohms     1.46            .01 microfarad
	  L-G   15.6k M-ohms     1.11            .02 microfarad