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SXBP-240kVA/240kV Variable Frequency AC Series Resonant Test System For Bushings

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Test Object and Requirement:

The system is specially designed for AC withstand voltage test for below items, with

below specifications and requirements.

1) AC withstand voltage test for HV bushings, test voltage is not more than 230kV.

 Capacity Determination of the equipment:

4pcs Reactors will be designed, each reactor is 60kVA/60kV/1A. Capacity amount is 240kVA.

Determination:

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

♦  HV reactors: 60kV/1A/60min/4pieces in series applied on HV bushings voltage AC withstand testing.

♦  Divider: 240kV/1000pF (designed as two pieces), each piece rated at 120kV/2000PF. To be used on high voltage measuring and system no-load resonant.

♦  Variable Frequency Power Generator: 10KW, input 220V, output 250V. Full set power supply used to provide resistive loss of whole test circuit.

♦  Exciting transformer: 10KVA, input 250V, output 2.5KV, 5KV, 10KV, used to increase the output voltage of variable frequency generator to applicable exciting voltage, and applied for reactor resonant. 

                              REACTORS

 

TEST OBJECT

  TEST VOLTAGE        (KV)

REACTOR    60kVA/60kV

    OUTPUT VOLTAGE OF  EXCITING TRANSFORMER

                   HV Bushings

230

4 pcs reactors in series

                   10KV

 

No.

Name

Module No. & Specs

Quantity

1

Exciting Transformer

SXJB-10kVA/2.5kV/5kV/10kV

1 set

 

2

Variable frequency power supply

SXBP-10kW/220V

1 set

3

HV Reactor

SXDK-60kVA/60kV

4 pcs

4

Capacitive Divider

SXFR-240 kV -1000 pF (2 pieces 120kV in series)

1 set

5

Connecting Cable

Accessories are as Table I.

1 set

 

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