Product Main

Specifications

1.Range of application:
  • Applicable to test of power frequency voltage withstand and PD by manufacturer of 1000KV, 750KV, 500KV-220KV, 110KV HV switch, power transformer, HV bushing, HV electro ceramics, insulator, etc. in delivery inspection 
  • Applicable to test of power frequency voltage withstand and PD by manufacturer of 750KV, 500kV-220kV, 110kV, 35KV cross-linking rubber and plastic cable in delivery inspection 
  • Applicable in test center of extra-high voltage and hyper-high voltage
     

2.Successful cases on AC voltage withstand test of large-size power equipment by this system:
 

  • Test of power frequency voltage withstand and PD on 1000KV hyper-high voltage capacitor of Guilin capacitor Co., Ltd., Guangxi, in delivery inspection
  • Test of power frequency voltage withstand and PD on 220KV GIS of Hua Dong switch company, Beijing, in delivery inspection
  • Test of power frequency voltage withstand and PD on GIS of Ping Gao electrical group, Henan, in delivery inspection
3.Main configuration of the system:

  • HV PLC intelligent control system or common control station      1 set
  • Electrical voltage regulator with large-capacity      1 set
  • HV adjustable compensating reactor     several pieces (quantity configured as per requirement, necessary)
  • HV fixed compensating reactor      several pieces (quantity configured as per requirement, alternative)
  • HV capacitive voltage divider     1 set
  • PD tester     1 set (can choose to be configured when doing PD test, if needed)

 4.Parameters must be fixed prior to the selection of specification:

  • Test object, highest test voltage, and PD level at a given test voltage
  • Level of working condition: continuous running time under a given test voltage
  • Whether or not to choose PLC power frequency intelligent control system
  • As for cable test, information required are cable length per piece, sectional area per piece, test time and max test voltage
  • As for transformer, information required are capacity of transformer, and test voltage
  • As for GIS, information required is interval number of primary test
  • Similar and related parameters to other power equipments