220kv Capacitor Voltage Transformer Instrument 220kv Capacitor Voltage Transformer are used to provide voltage signals for measuring instruments and meters. Provide voltage signals for relay protection and control devices. 220kv Capacitor Voltage Transformer is outdoor, single phase and oil immersed capacitive voltage transformer, which is used for metering and relay protection of 33~230kV, 50 or 60Hz system.Capacitive voltage divider could be also used as coupling capacitor for the electric power line carrier communication Standards ◆IEC 61869-1; IEC 61869-5 ◆GB 20840.1; GB 20840.5 Service conditions ◆Ambient temperature: -40~+45℃ ◆Altitude: ≤3000m