Power transformer

immersedfor indoor servicefor outdoor service

Product overview
500 kV oil-immersed power transformer designed for indoor or outdoor installation.

Features

• Excellent temperature rise control
• Low partial discharge
• Strong ability to withstand short-circuit
• Low loss, high energy efficiency

Normal operating condition

• Altitude: ≤ 1000 m
• Ambient temperature:
  Maximum air temperature: +40 °C
  Maximum monthly average air temperature: +30 °C
  Maximum annual average air temperature: +20 °C
  Minimum air temperature: -25 °C
• Relative humidity: ≤ 90% (25 °C), no condensation or icing during operation
• Power supply requirements: The output wave shape closely approximates a sinusoidal wave, and the three-phase voltages remain basically symmetrical.
• Installation location: indoor or outdoor

Note
Transformers for use under special conditions can be provided according to order requirements.

Technical specifications

• Rated voltage: 500 kV
• Product type: Oil-immersed power transformer
• Temperature rise control: Excellent
• Partial discharge level: Low
• Short-circuit performance: Strong ability to withstand short-circuit
• Energy performance: Low loss, high energy efficiency
• Altitude rating: ≤ 1000 m
• Ambient temperature range: -25 °C to +40 °C (maximum air temperature +40 °C; maximum monthly average +30 °C; maximum annual average +20 °C)
• Relative humidity: ≤ 90% (25 °C), no condensation or icing during operation
• Power supply: Output wave approximates sinusoidal; three-phase voltages basically symmetrical
• Installation: Suitable for indoor or outdoor installation