Transformer Data Sheet
Date Tested: 04/25/2000
Customer Name: HVES
Circuit Name: HVES 29
Transformer Type: Substation
Number: M161189 Class: OA Three Phase 60 Hertz
Manufacturer: General Electric
Voltage Rating: 13200 X 4160/2400 LV winding: CU
KVA Ratings: 4000 Continuous, Self Cooled HV winding: CU
5000 Continuous, Forced Air LV: 65 C rise, BIL: 30 KV
HV: 65 C rise, BIL: 90 KV
Approx. Weight in Pounds -
Core & Coils :
Case & Fittings:
Total : 31600
Impedance Volts: 6.01 percent at rated volts at: 5000 KVA.
Transformer Test Data
Megger Test Results --
High -> Ground : 3.76k M Ohms, @: 5KV DC
Low -> Ground : 4.82k M Ohms, @: 5KV DC
High -> Low : 6.50k M Ohms, @: 5KV DC
Tap (V) Calc.TTR Phase1 Phase2 Phase3
:13860 :5.775 :5.776 :5.776 :5.775
:13530 :5.637 :5.638 :5.639 :5.638
:13200 :5.500 :5.499 :5.499 :5.499
:12870 :5.362 :5.361 :5.361 :5.362
:12540 :5.225 :5.225 :5.225 :5.225
: : : :
Attachment: Unit has HV roof bushings and LV sidewall bushings.
Polarization Index Capacitance
H-G: 1.82 .03 microfarad
L-G: 2.32 .02 microfarad
H-L: 2.60 .02 microfarad
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