Voltage Transformer

Key Specifications/Special Features:

• Immersed voltage transformer
• Single-phase and double windings
• Suitable for 50Hz and 35kV circuit and used for electricity measurement and protection
• Used for single and three-phase circuit, two voltage transformer can joint into form V
• Suitable for 50Hz, 35kV neutral earthing power system and used for electricity measurement and protection
• Used for primary windings when neutral earthing, end A by 35kV porcelain set, end X is educed by 0.5kV porcelain, secondary and remain voltage windings are educed by 0.5kV
• Adopts Si steel plate and made into three core, the middle pole has secondary and primary windings, the secondary windings are rolled at the insulation canister, primary windings is disjoint symmetry and rolled at the other one, the static loop are set at two sides of the windings, oil stopple between windings
• Iron core parts are fixed at the oil box cover, oil stopper and oil cabinet on the box cover, the plug with breath hole on the top of oil cabinet, oil plug at the bottom, four holes are on the bracket
• Technical data:
  • Rated insulation level: 12, 42 and 75kV
  • Standard: GB1208-1997
  • Surrounding temperature:
  • Lowest temperature: -30 degrees C
  • Highest temperature: 40 degrees C
  • Average temperature no more than 30 degrees C per day
  • Surface creeping distance: class 11

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