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Home Product Transformer Pad-mounted Transformer

TransformerPad-mounted Transformer

  • IEC 60076, ANSI/IEEE Std C57.12, NEMA

  • ISO 9001, KEMA, CESI, CE, TUV, UL, ASTA

  • Mineral Oil / Vegetable Oil (FR3), Free PCB

  • Seismic design, ETGI-1.020, IEEE Std 693, NCh2369

  • Structural design, ASTM A325, ANSI/AISC 360, AWS D1.1

  • High altitude correction per IEC 60076 & IEEE C57.12, ~ 5000m


  • 45 - 5,000 KVA Size

  • 2400 - 34,500 V Primary voltages

  • 208Y/120 - 4,160 V Secondary voltages

  • Department of Energy (DOE)

  • Expulsion type Bay-O-Net fuse

  • Three On/Off loadbreak switches

  • Radial & loop feed arrangements

  • Dead and live front type of HV terminals

  • Painted olive-green color (Munsell 7GY 3.29/1.5)

Typical Specification

Available Ratings

ITEM

SPECIFICATION

Sizes (kVA)

45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1250, 1500,

1750, 2000, 2250, 2500, 2750 3000, 3750, 5000

Frequency

60 Hz or 50 Hz

Cooling Class

ONAN or KNAN

Temp Rise

55°C, 65°C, 55/65°C

Voltages

Available in △ or Y configuration

600V

208 / 240 / 416 / 480 / 600

2.5kV - 5kV

2400 / 4160 / 4800

15kV

12000 / 12470 / 13200 / 13800 / 14400

25kV

20780 / 21600 / 22900 / 24940 / 26400

35kV

33000 / 34500


Typical Performance Data: High Voltage-15 kV Class; Low Voltage-600 V Class

kVA

No Load Losses (W)

Full Load Losses (W)

Total Losses (W)

Efficiency

112%

100%

75%

50%

25%

75

175

796

971

98.62

98.72

98.91

99.03

98.82

112.5

212

1213

1425

98.64

98.75

98.95

99.11

98.99

150

269

1547

1816

98.70

98.80

99.00

99.16

99.03

225

327

2315

2642

98.73

98.84

99.04

99.23

99.17

300

451

2760

3211

98.85

98.94

99.12

99.27

99.18

500

624

4271

4895

98.94

99.03

99.20

99.35

99.29

750

842

5854

6696

99.03

99.12

99.27

99.40

99.36

1000

996

7832

8828

99.04

99.12

99.28

99.43

99.41

1500

1532

9880

11412

99.18

99.24

99.37

99.48

99.43

2000

1782

12987

14769

99.20

99.27

99.40

99.51

99.48

2500

2438

14356

16794

99.28

99.33

99.44

99.53

99.47

3000

5385

28450

33835

98.79

98.88

99.06

99.17

99.05

3750

7700

34850

42550

98.79

98.88

99.04

99.13

98.96

5000

8240

33020

41250

99.12

99.18

99.29

99.34

99.18

*Full load losses and efficiencies are at a reference temperature of 85 °C in accordance with IEEE Standard C57.12.91. The efficiencies of transformers with a 75–2,500 kVA rating at 50% load are at a reference temperature of 55 °C in accordance with DOE Test Procedure 10 CFR, Part 431, Subpart K, Appendix A.