On Site AC Resonant Test System For 110KV Power Substation Testing

Note:1.Load capacitantor can be optional when testing power motor ,generator and power transformer under 45~65Hz.

2.Test reactor can be produced to be 18KV,20KV,22KV,40KV,44KV, 50KV, 54KV,55KV for each piece according to different tested object scope or customer requried.

III. Test Circuit :


VF: Variable Frequency Power Source T : Excitation Transformer
L : Test Reactor Cx: Tested Equipment MOA1: Lightning Arrestor
C1,C2: Voltage divider(C1 is high voltage arm,C2 is low voltage arm )



IV. Technical data:

1. Power supply : 220±10%(single-phase),50Hz/60Hz
2. Application range: distribution power substation and 110KV GIS
3. Rated output capacity: 216kVA
4. Test Voltage : 27KV, 54KV, 108KV, 200KV
5. Test Current: 8A@27KV, 4A@54KV,2A@108KV,1A@200KV
6. Reg. Freq range : 30Hz-300Hz
7. Output Resonance voltage waveform: sine wave
8. THD of output waveform: ≤1%
9. Insulation level: Under 1.1 times and keeping 1min, normal
10. Duty cycle : 60mins on under rated current working condition ;
11. Quality factor of test set itself: Q≥30(at F=30HZ) ;
12. Temperature rise: Less than 65K under rated current working 60mints;
13. Noise level: No more than 70B
14. Reactor Structure: dry type, epoxy tube cylinder type；

V. Accessories

• Accessory box for storage accessoires
• Input cables of power source
• Output cables of power source
• Output cables of exciting transformer
• System grounding cables
• Parallel cables of the reactor
• HV measuring cables ( the signal output cables of voltage divider )
• HV output cables(reactor to divide,divider to test object)
• Insulation supporting base
• corona ring for 200KV test
• A final test report, a quality Certificate ,a user manual and a packing list are offered .

VI. Optional part

Load compensation capacitor

• Optional model : 200KV/20000pF; 200KV/10000pF; 200KV/6000pF;