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AC Resonant Test System

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SXBP-1120KVA/70KV/560KV AC Resonance Test Set For GIS, CT/PT,Circuit Breaker,Switchgear

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Test Object and Requirement:

The system is specially designed for AC withstand voltage test for 220KV and below voltage degree GIS, CT/PT, circuit breaker, switchgear and etc. Max. testing voltage is 550KV, testing frequency 30~300Hz, test object capacitance≤0.01uF.

Capacity Determination of the equipment:

8pcs Reactors will be designed, each reactor is 140kVA/70KV/2A/81H. Capacity amount is 1120kVA.

Determination:

Configurations of HV reactor, divider, variable frequency power generator and exciting transformer:

♦  HV reactors: 70kV/2A/81H/15min /8pieces in series applied on 220kV GIS voltage withstand testing.

♦  Divider: 550KV/1000PF (designed as three pieces, each piece rated at 187kV/3000PF). Three pieces used on high voltage measuring and system no-load resonant.

♦  Variable Frequency Power Generator: 50kW, input 220V/380V, output single phase 250V/500V. Full set power supply used to provide resistive loss of whole test circuit.

♦  Exciting transformer: 60kVA, input 500V, output 15KV, 30KV, used to increase the output voltage of variable frequency generator to applicable exciting voltage, and applied for reactor resonant.

No.

Name

Module No. & Specs

Quantity

1

Exciting Transformer

SXJB-60kVA/15KV/30kV

1 set

 

2

Variable frequency power supply

SXBP-50kW/380V/220V

1 set

3

HV Reactor

SXDK-140kVA/70kV

8 pcs

4

Capacitive Divider

SXFR-550 kV -1000 pF

1 set(3 pcs in series)

5

Connecting Cable

Accessories are as Table I.

1 set

6

Factory Test Report

 

1 copy

7

User's Guide

 

1 copy

Please contact Sansion Power: sansionpower@hotmail.com for further information.