Work condition
Installation type: indoor/outdoor/type
Ambient temperature: -25°C ~+40°C
Altitude: ≤1000m
Installation site: in places without corrosive gases and obvious dusts.
Reference standards
1 .Power transformer: GB1094.1 -2-1996,GB1094.3-2003,GB1094.5-2008
2. Three-phase oil-immersed transformers: GB/T6451-2008
Performance characteristics
1.The features of this oil immersed power transformer are high efficiency and low loss. It can save a lot of operation cost, and the social benefits are very significant.
2.The iron cores are made of the imported high-conduction magnetism, cold-roll, and grain-oriented silicon-steel sheets. The iron cores and windings adopt the vacuum drying and vacuum oil-filling processes, which make the internal moisture down to the very low level.
3.The conservator is hermetically sealed, which make the internal running oil to insolate with oxygen and moisture efficiently.
4. The above features guarantee the transformer does not need to replace the oil during the operation, greatly decrease the maintenance cost, and prolong the service life.
Order information
Transformer type:
Rated capacity: KVA
Number of phases: three-phase 口 single-phase 口
High voltage: KV Low voltage: KV
Frequency: 50HZ 口 60HZ 口
Tapping range: ±4 x 2.5% 口 ±3 x 2.5% 口 other 口
Connection group: YynO 口 Dyn11 口 other 口
Impedance voltage: standard 口 other 口
Transformer Model Description
S11 Series 35kV Distributtion Transformer
50KVA-1600KVA 3-Phase Duplex Winding Off-load Tap-Changing Distribution Transformer
Note
1. Rated capacity 500KVA and below transformer, the load loss above the oblique line in the table applies to Dyn11 or Yzn11; the load loss below the oblique line applies to Yyn0.
2. According to requirements, this 33kv transformer can supply HV tap change ± 2x 2.5%.
630KVA-31500KVA Triple Phase Duplex Winding Non Off-load Regulating Power Transformer
SZ11 Series 35kV Power Transformer
2000KVA-20000KVA 3-Phase Duplex Winding Off-load Tap-Changing Power Transformer
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