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Closed-type 3-phase transformer

Closed-type 3-phase transformer

Use vegetable oil is that it is not flammable, reducing the risk of fire

Reduce energy consumption

Main Specification
Manufacturer CTC
Country of origin Vietnam
Applicable Standard IEC 60076
Transformer Type Distribution Transformer-oil
Rated Capacity up to 20mVA
Rated Voltage up to 36kV
Frequency 50/ 60Hz
Phase Three phase
Vector Group Dyn11, Yyn12 ( according to customers requirements )
Tap Changer No- load tap changer
Winding Material Aluminum / Copper
Cooling ONAN
Dielectric Liquids Mineral oil / Dimethyl Silicone / Vegetable oil
Type of mounting Indoor / Outdoor
Warranty Periods up to 10 years
Accessories HV- LV Bushing
Oil Level Indicator
Pressure Relief Valve
Tap Changer
Oil Thermometer
Buchholz Relay
Oil Drain Valve

Đạt các tiêu chuẩn theo các hệ thống quản lý chất lượng

  •  Measurement of winding resistance
  •  Measurement of voltage ratio and check of phase displacement
  •  Measurement of short-circuit impedance and loss
  •  Measurement of no-load loss and current
  •  Dielectric routine tests
  •  Tests on on-load tap-changers, where appropriate
  •  Leak testing with pressure for liquid-immersed transformers(tightness test)
  •  Tightness tests and pressure tests for tanks for gas-filled transformers
  •  Check of the ratio and polarity of built-in current transformers
  •  Check of core and frame insulation for liquid immersed transformers with core or frame insulation