Oil Power Transformer

Model Series	S13 Series Oil-Immersed Power Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 3150 (KVA)
High voltage (kV)	10kV / 6.3kV / 6(kV)
Low voltage(kV)	0.4(kV)
Short-circuit resistance(%)	4.0 / 4.5 / According to customer needs
Tapping range	+5% +2×2.5%

Model Series	S20 Energy Efficiency Stage 2 Oil-Immersed Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10kV / 6.3kV / 6(kV)
Low voltage(kV)	0.4(kV)
Short-circuit resistance(%)	4.0 / 4.5 / 5 / According to customer needs
Tapping range	+5% +2×2.5%

Model Series	S22 Type Energy Efficiency Primary Oil Immersed Transformer
Connection group grade	Yyn0 or Dyn11
Rated capacity(KVA)	30 ~ 2500 (KVA)
High voltage (kV)	10kV / 6.3kV / 6(kV)
Low voltage(kV)	0.4(kV)
Short-circuit resistance(%)	4.0 / 4.5 / 5 / According to customer needs
Tapping range	+5% +2×2.5%