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Epoxy cast resin electric device

Discharge coil for Phase advanced capacitors

rishocast

For safety operation of Phase advanced capacitor

discharge coil

▲Discharge coil

  • Electric charge remains in capacitor after disconnecting capacitor from capacitor circuit.
  • In this state ,it is dangerous to reconnect capacitor to the circuit or to practice inspection or maintenance.
  • With discharge coil connected to capacitor circuit,residual charge can be consumed instantly.
  • We recommend you install Discharge coil in capacitor circuit for safety operation.

 

▲Connection example

 

To avoid excess voltage caused by serial reactor ,please be sure to connect discharge coil to supply side terminal of serial reactor.

Click to enlarge

 

Specifications

Standard JIS C 4902-3
Installation location Indoor only
Instllation altitude Less than 1000m
Ambient temperature -20/B
Insulation class E
Number of phase 3(V connection)
Frequency 50Hz/60Hz

 

 

Discharge property

It takes less than five seconds until terminal voltage becomes less than 50V, after disconnecting a capacitor from circuit.

 

Number of discharge

  • Every one minute:5-time
  • Every 5-minutes:Continuous

 

Maximum allowable voltage

Voltage factor
Allowable load time
1.10
12-hour a day
1.15
30-minute a day
1.20
Within 5-minute
1.30
Within a minute

 

Type

Type

Insulation

level

Circuit

Voltage

Discharge

capacity

Capacity of

connected capacitor

RD-601N
16/45kV
3300V
1000kvar
~1000kvar
22/60kV
6600V

☆Customized product according to each use is also available