Detailed Information on the Fourth-Level High-Voltage Test Equipment Table for Qualification



 



Fourth-Level High-Voltage Test Equipment Table for Qualification ◆ High-voltage test equipment:



     1 set of 50kV/5kVA high-voltage test transformer (transformer, control box, voltage regulator);

     1 set each of 60kV/2mA DC high-voltage generator (test instrument, matching cables);

     1 unit of 50kV AC/DC voltage divider (divider, matching voltmeter); 

     1 set of 200kV variable frequency series resonance complete test device;

     1 set of 50kV AC withstand voltage test system,

     1 set of high-voltage dielectric loss tester (test cables, dielectric bridge, control box, step-up transformer, phase shifter);

     1 unit of 100A loop resistance tester (test instrument, matching cables); 

     1 set of 0-20Ω ground resistance tester (test instrument, matching cables, ground electrode);

     3 units of 10kV/0.5 class voltage transformer;

     3 units of 10kV/0.5 class current transformer;

     1 unit of 10A transformer DC resistance tester;

     1 unit of transformer turns ratio bridge;

     1 unit of high-voltage switch mechanical characteristic tester;

     1 unit of double-arm bridge QJ44;

     1 unit of single-arm bridge QJ23;

     1 unit each of 500V 1000MΩ, 1000V 2000MΩ, 2500V 10000MΩ insulation resistance tester,

     1 unit of 5kVA single-phase voltage regulator;

     1 unit of infrared tester, etc.

     1 unit of current transformer secondary circuit load tester



Fourth-Level High-Voltage Test Equipment Table for Qualification ◆ Relay protection and electrical measuring instruments:



     1 set of three-phase microcomputer relay protection test tester;

     1 set of single-phase relay protection comprehensive tester;

     1 unit of high-precision clamp phase meter;

     1 unit of standard AC ammeter with accuracy not lower than 0.2 class;

     1 unit of standard DC ammeter with accuracy not lower than 0.2 class;

     1 unit of standard AC voltmeter with accuracy not lower than 0.2 class;

     1 unit of standard DC voltmeter with accuracy not lower than 0.2 class;

     1 unit of standard AC microammeter with accuracy not lower than 0.2 class;

     1 unit of standard DC microammeter with accuracy not lower than 0.2 class;

     1 unit of 1000V megohmmeter;

     1 unit of 2500V megohmmeter;

     1 unit of high-current generator (current booster);

     1 unit of phase sequence meter;

     1 unit of general oscilloscope;

     2 units of digital multi-function clamp meter;

     1 unit of 0.5 class digital multimeter, etc.



Fourth-Level High-Voltage Test Equipment Table for Qualification   ◆ Oil and gas test instruments: 



     1 unit of insulating oil dielectric strength tester (test instrument, oil cup, matching cables);



  ◆ Other common instruments and meters



     6 units of various AC/DC meters with accuracy not lower than 0.5 class;

     1 unit of ground resistance tester (earth tester);

     1 unit of analog voltmeter;

     1 unit of analog ammeter;

     Multimeters and other test instruments, meters, and safety tools.