High-voltage Switch and GIS Maintenance Testing Solution
| No. | Name | Specifications Model | Quantity | Function |
| common equipment | ||||
| 1 | RD2676 series high voltage megger | Use 2500V megger | 1 set |
1)self-regulation of whole insulating resistance 2)insulating resistance of fracture and lifting bar made from organics |
| 2 | RD6000 auto anti-interference different frequencies dielectric loss tester | 1 set | Tgδ of Non-pure tube and oily breaker of 40.5kV and above, capacity and tgδ of arc chute shunt capacitor | |
| 3 |
RDYD series power frequency testing transformer RDXZ Series frequency conversion DC resonant voltage test dvice |
Testing voltage is 80% of regulated value of DL/T593 | 1 set |
AC voltage withstand test of oil breaker lifting bar of 126kV and above Voltage withstand test of breaker’s ground, fracture, and between |
| 4 | RDHL-200A circuit resistance tester | Use DC voltage pressure descending method, current no less than 100A | 1 set | Electric conduction circuit resistance |
| 5 | RDGC-8A high voltage switch tester | Test time of opening, closing etc. | 1 set | Breaker’s speed performence |
| 6 | RDZR-50A Dc resistance tester | 1 set | DC resistance of coil | |
| 7 | RDZG series DC high voltage generator | 1 set | Leakage current of less oil breaker of 40.5kV and above | |
| 8 | RDZK-IV vacuum switch vacuum degree tester | Range: 10-4～10-1Pa | 1set | Test of vacuum degree of vacuum arc chute |
| SF6 gas testing device | ||||
| 1 | XP-1A SF6 gas qualitative leakage detector | Qualitative search for leakage | SF6 gas leakage test | |
| 2 | RDWG-II SF6 gas quantitative leakage tester | Use local bandaging method or qualitative method | SF6 gas leakage test | |
| 3 | R DWS-242 SF6 gas micro hydro tester |
Arc chute no bigger than 150μL/L Non- arc chute no bigger than 250μL/L |
Hydro (dew point) test | |
| 4 | R DP-II SF6 gas purity analyzer |
Range: 0～100% (SF6 percentage) Accuracy: ±0.1%（within 90％～100％） |
Test the purity of mixture gas of SF6 and air, SF6 and N2 | |
| 5 | R DFJ-II SF6 gas cleavage product tester |
Cleavage product: H2S：0～100 ppm(μL/L) (standard configuration)(inadvisable over 200PPM for long time) SO2：0～100 ppm(μL/L) (standard configuration)(inadvisable over 200PPM for long time) CO：0～500 ppm(μL/L) (alternative configuration) (inadvisable over 1000PPM for long time) HF：0～10 ppm(μL/L) (alternative configuration) (inadvisable over 10PPM for long time) |
Test main cleavage product of SF6 gas | |
| 6 | RDPM-IV SF6 gas multi-functional analyzer |
RDPM-IV SF6 Multi-functional Analyzer can analyze those three values, therefore providing a very convenient way to determine the reusability of SF6 gas and on-site validation of recycling efforts. This analyzing meter can finish three measurements one time so saving gas used and reducing air pollution |
For successful SF6 Gas Recycling and Reuse it is essential to know three impurity values. These are: Purity of SF6 Gas Moisture Content Concentration of SF6 Decomposition Products |
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| 7 | RDJD-II SF6 gas density relay calibrator | Test pressure value of the alarming and shutting motion of all types of SF6 gas density relays, and convert automatically to standard pressure value under 20℃, to realize the calibration of alarming and shutting performance of SF6 gas density relay | Calibrate gas density relay and pressure meter | |
| 8 | RDQC-60 SF6 gas vacuum charging device | Vacuum pump rate: 4/8/15/30/70/150 | Test vacuum degree of SF6 porcelain circuit breaker, transformer and other SF6 electric equipment during their installation, running and maintenance | |
| 9 | RDQH-60 SF6 gas refilling and recovery device | It consists of recovery system, gas-filling system, vacuum extracting system, purification system and gas storage system. | Used for vacuum-pumping and gas-filling of electric equipment in SF6 gas insulation electric equipment factory and research institutes. Also, this device can recover and purify SF6 gas from the testing equipment like SF6 electrical apparatuses and GIS. | |
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