Integrated High-Voltage Switch Test System
Product Overview
The MOEORW-WGKQ2 Integrated High-Voltage Switch Test System is a fully integrated test platform designed for routine and type tests on high-voltage switchgears. It adopts a highly integrated structural design, integrating intelligent instrument modules, power-frequency withstand voltage modules, high-current temperature-rise modules, intelligent AC/DC power supply modules, and compensation loop measurement & control modules. The system is controlled by a PLC and industrial computer with a human-machine interaction interface, enabling automatic control of test circuits, real-time electrical parameter sampling, automatic data storage, and test report generation. It complies with multiple national and international standards, providing safe, efficient, and high-precision test solutions for high-voltage switch equipment inspection.
Technical Parameters
Loop Resistance Tester
| Item | Specification |
| Minimum Resolution | 0.1 μΩ |
| Accuracy | ±(0.5% ± 0.3 μΩ) |
| Test Current | 50A, 100A, 150A, 200A |
| Measuring Range | 100 μΩ–100 mΩ (50A); 50 μΩ–50 mΩ (100A); 20 μΩ–25 mΩ (150A); 10 μΩ–20 mΩ (200A) |
Circuit Breaker Characteristic Tester
| Item | Specification |
| Input Power | 220V ±10%, 50Hz ±10% |
| Time Range | 0–64000.0 ms, Resolution 0.1 ms, Error ≤0.1% rdg ±0.1 ms |
| Speed Range | 0–20.00 m/s, Resolution 0.01 m/s, Error ≤1% rdg ±0.01 m/s |
| Travel Range | 0–1000.0 mm |
| Coil Current Range | 40.00 A, Resolution 0.01 A |
| Voltage Resolution | 1 V, Error ≤1% rdg ±1 V |
AC Withstand Voltage & Insulation Tester
| Item | Specification |
| Test Voltage Range | 0.2 V–5.00 kV AC |
| Output Resolution | 10 V |
| Output Accuracy | ±(2.5% × Set Value + 10 V) |
| Max Output Current | 200 mA |
| Current Resolution & Accuracy | 0.100–3.499 mA (0.001 mA, ±3% rdg +5 digits); 3.50–99.99 mA (0.01 mA, ±3% rdg +5 digits); 100.0–200.0 mA (0.1 mA, ±3% rdg +5 digits) |
Main Functional Features
1. Control & Operation Architecture
1. Adopts PC+PLC dual-control architecture; Siemens PLC executes underlying logic and protection, while industrial PC manages test flow and data processing.
2. Supports both automatic and manual operation modes; automatic mode completes full test flow without manual intervention.
2. Data Acquisition & Management
1. Real-time data collection and automatic uploading to local database and background management system.
2. Supports quick data query via test number and automatic generation of standardized test reports.
3. Safety Protection System
1. Multi-level protection including hardware interlock, software over-current/over-voltage, overload, short-circuit, IGBT fault, fuse failure, and over-temperature protection.
2. Equipped with emergency stop buttons on main cabinet and operation terminal; three-color alarm light indicates system status.
4. Human-Machine Interface
1. Friendly touchscreen/ mouse operation interface; separate display for configuration, control, status, and results.
2. Software anti-interlock and input validity check to reduce misoperation.
5. Test Adaptability
1. Automatically switches measurement loops and test modules by entering sample serial number.
2. Automatic voltage/current regulation and precise gear switching for various test items.
Application Scope
Suitable for routine and type tests of:
- High-voltage switchgears, ring main units
- Pole-mounted switches, 10kV cable distribution boxes
- 35kV circuit breakers, 35kV disconnectors and earthing switches
- Low-voltage switchgears and control equipment
Compliance & Standards
The system is designed and manufactured in accordance with the latest versions of the following standards:
- GB/T 11022-2020 Common technical requirements for high-voltage AC switchgear and controlgear
- GB 1984-2014 High-voltage alternating current circuit-breakers
- GB 1985-2014 High-voltage alternating current disconnectors and earthing switches
- GB/T 3804-2017 3.6 kV–40.5 kV high-voltage alternating current load switches
- GB 3906-2006 3.6kV–40.5kV AC metal-enclosed switchgear and controlgear
- GB/T 7251 series, GB/T 15576-2020, GB 14048 series
Daily Maintenance
1. Pre-use Inspection
- Check cabinet appearance for damage, water stains, or discharge burns.
- Verify wiring connections and grounding reliability (protection grounding resistance ≤0.5 Ω).
- Confirm three-phase four-wire power supply (AC 220V between phase and neutral).
- Check industrial PC, software, instruments, emergency stop, and alarm lights.
2. Regular Maintenance
- Monthly inspection of internal wiring, screw fastening, dust cleaning, and fan/heater function.
- Annual calibration of measuring instruments and sensors by qualified institutions.
Troubleshooting
1. Abnormal loop resistance test data
√ Check tester power, test cable connection, calibration value, and software status.
2. AC withstand voltage tester malfunction
√ Verify power supply, wiring, test cable, and upper computer software.
3. PLC control failure
√ Check power supply, network connection, IP configuration, switch, and emergency stop status.
4. Software crash or slow response
√ Reinstall software, close background programs, clear disk space, or upgrade memory.
FAQ
1. Q: What preparations are required before starting a test?
A: Confirm correct wiring, reliable grounding, closed test compartment doors, normal instrument communication, and valid test parameters.
2. Q: Why does the system fail to start the test?
A: Check emergency stop status, compartment door interlock, power supply, PLC connection, and instrument online status.
3. Q: How to retrieve historical test data?
A: Enter the corresponding test number in the software to query and export stored data and reports.
4. Q: What should I do if test data is unstable?
A: Recheck wiring connections, re-calibrate instruments, eliminate electromagnetic interference, and verify power supply stability.
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