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35KV Oil-immersed Power Transformer

35KV Oil-immersed Power Transformer

35KV DOUBLE-WINDING DISTRIBUTION TRANSFORMERS WITH OFF-CIRCUIT CHANGER

Rated capacity (kVA) Voltage ratio(kV) Connection Symbol

No-load loss (kW)

No-load current(%)  Full-load loss(kW) Impedance(%)
H.V H.VTapping Range L.V
3150

35

38.5

±2×2.5%

3.15 

3.3

6.3

6.6

10.5

11

Yd11 3.80 0.56 24.30 7.0
4000 4.52 0.56 28.80
5000 5.40 0.48 33.03
6300 6.56 0.48 36.90 7.5
8000 YNd11 9.00 0.42 40.50
10000 10.88 0.42 47.70
12500 12.60 0.40 56.70 8.0
16000 15.20 0.40 59.30
20000 18.00 0.40 83.70
25000 21.28 0.32 99.00
31500 25.28 0.32 118.80

35KV DOUBLE-WINDING POWER TRANSFORMERS WITH ON-LOAD TAP-CHANGER

Rated capacity (kVA) Voltage ratio(kV) Connection Symbol

No-load loss (kW)

No-load current(%)  Full-load loss(kW) Impedance(%)
H.V H.VTapping Range L.V
3150

35

38.5

±3×2.5%

6.3

6.6

10.5

11

Yd11 4.04 0.72 26.01 7.0
4000 4.84 0.72 30.69
5000 5.80 0.68 36.00
6300 7.04 0.68 38.70 7.5
8000 YNd11 9.84 0.60 42.75
10000 11.60 0.60 50.58
12500 13.68 0.56 59.85 8.0
16000 16.46 0.54 74.02
20000 19.46 0.54 87.14

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