Power Transformers

Power transformers are the backbone of electrical transmission networks, designed to step voltage up or down for efficient long-distance power delivery. Built to handle massive loads and high-voltage stress, these units ensure the stability and integrity of industrial and utility power grids.

Oil Transformer

35kV Power Transformer Manufacturer

Model Series	35kV Power Transformer
Connection group grade	Yd11 or YNd11
Rated capacity(KVA)	30 ~ 3150 (KVA)
High voltage (kV)	35 ~ 38.5 (kV)
Low voltage(kV)	3.15/ 3.3/ 6.3/6.6/ 10.5/ 11(kV)
Short-circuit resistance(%)	6.5 / 7.0/ 7.5 / 8.0
Tapping range	+5% +2×2.5%

Dry Transformer

SC(B)11 Dry Type Transformer

Model Series	SC(B)11 Dry-Type Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10 (kV) / 35 (kV)
Low voltage(kV)	0.4/3.5/6/ 6.3/10/ 10.5/ 11(kV)
Short-circuit resistance(%)	4 / 6 / 8.0
Tapping range	+5% +2×2.5%

Dry Transformer

SC(B)H15 Amorphous Alloy Dry Type Power Transformer

Model Series	SC(B)H15 Amorphous Alloy Dry Type Power Transformer
Connection group grade	Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	11 10 10.5 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 6
Tapping range	±5% or ±2×2.5%

Dry Transformer

SCB14 Energy Efficiency Two-Stage Dry Type Transformer

Model Series	SCB14 Energy Efficiency Two-Stage Dry Type Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 6 / 8
Tapping range	±5% ±2×2.5% ±3 or-1 x2.5%

Dry Transformer

SCB18 Energy Efficiency Level One Cast Resin Dry Transformer

Model Series	SCB18 Energy Efficiency Level One Dry-Type Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 6 / 8
Tapping range	±5% ±2×2.5% ±3 or-1 x2.5%

Dry Transformer

SG(B)13 / SC(B)13 Dry-Type Transformer

Model Series	SG(B)13 / SC(B)13 Dry-Type Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 6
Tapping range	+5% +2×2.5% or other

Oil Transformer

SH15 Amorphous Alloy Oil Immersed Power Transformer

Model Series	SH15 Amorphous Alloy Transformer
Connection group grade	Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	11 10 10.5 6.3 6 (kV)
Low voltage(kV)	0.4 (kV)
Short-circuit resistance(%)	4 / 4.5 / 5
Tapping range	±5% or ±2×2.5%

Power Transformers

Power Transformers

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