1. General

It is outdoor, single phase and oil capacitor voltage transformer, which is used for metering and relay protection of 110kv, 60HZ or 60HZ system. Its capacitor divider is also used as coupling capacitor in carrier wave coupling device in power line unit

2. Standards

IEC Standard:IEC60044-5<Capacitor Voltage Transformer>

National Standard:

GB4703<Capacitor Voltage Transformer>

GB311.1<Insulaiton Co-ordination for High Voltage Transmission and Distribution Equipment>

3. Service Condition

Ambient Temperature:-40~+40°c

Altitude: less than 2000m (more than 2000m. Technical conditions should be separately negotiated by both sides)

4. Structure Feature

• It consists of capacitor voltage divider and electromagnetic unit
• The capacitor divider is making up of one or several coupling capacitors to series
• H.V. terminal is at top of capacitor divider. Medium and low voltage terminal is in electromagnetic unit for leading from magnetic on lowest H.V. capacitor chassis
• Neutral transformer, compensation reactor and damper are filled in the tank, it makes up electromagnetic unit. Transformer oil is filled in the tank and sealed. Volume of oil and internal pressure are adjusted by air at top of tank. Neutral transformer primary side coil can regular coil and voltage error. Compensation reactor regular coil can regular error of phase, secondary winding come out from wiring terminal box of tank front
• The product is fiiling oil and sealing, it needn't filter oil and change oil for keeping electric function. Please note mustn't destroy sealing of capacitor divider. If electromagnetic unit have to get oil, please note must compensation oil, get amount and compensation amount. THe product checking and accepting needn't get oil, or can have harmful influence.

Dalian North Instrument Transformer Group Co., Ltd.

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