GIS  Partial Discharge Monitoring System| Detailed introduction of technical principles

The GIS withstand voltage test chamber is primarily used to verify the insulation strength of gas-insulated metal-enclosed switchgear (GIS). Its testing principles are mainly divided into power frequency withstand voltage testing and impulse voltage testing. Power frequency withstand voltage testing simulates long-term operating voltage to check the main insulation; impulse testing (including lightning surges and switching surges) simulates overvoltage to assess the equipment's ability to withstand transient high voltages. During the test, test voltages far exceeding the rated voltage are sequentially applied to each phase of the GIS, and the insulation performance is judged by monitoring for breakdown or partial discharge.

Application Characteristics:
1. Integrated Testing: Due to the compact structure of GIS, withstand voltage testing is usually performed on the entire system, rather than testing individual components.

2. Primarily On-Site Testing: After equipment installation, acceptance testing is often conducted on-site to check the insulation condition after installation and transportation.

3. High Voltage Levels: Test voltages can reach hundreds of kV, placing high demands on testing equipment (such as series resonant devices).

4. Effective Defect Detection: It can sensitively detect internal insulation defects, such as free conductive particles, installation errors, or insulator cracks.

5. Rigorous and Critical: This is a core test to ensure the long-term safe operation of GIS, but it presents challenges such as residual charge effects and bulky equipment. GIS Partial Discharge Monitoring System, GIS Partial Discharge-Free Withstand Voltage Acceptance Test, Rated Capacity 50-2000kVA. GIS Withstand Voltage Test Chamber: Suitable for insulation withstand voltage tests, partial discharge tests, and accuracy tests of GIS transformers for high-voltage, high-capacity GIS and GIL power equipment.

It is an essential device for preventative and factory tests by GIS substations, GIS and GIL power equipment manufacturers, and manufacturers of pot-type insulators and insulating structural components.

Adding a high-voltage bushing interface to this equipment allows for high-voltage outtake, enabling various high-voltage tests on traditional high-voltage equipment.

1. High-voltage fully sealed in a shielded space, ensuring safe and reliable testing.

2. Overall partial discharge can be controlled within 1-3 pc.

3. Compact size, utilizing minimal space; lightweight components.

4. Built-in high-voltage isolating switch, enabling multi-purpose use.

5. Easy connection; direct connection to the test sample makes testing more convenient.

6. Robust and durable structure capable of withstanding long-distance transportation.

7. Reduced system power capacity requirements.

1. Rated capacity 50-2000kVA

2. Output voltage 100kV, 200kV, 250kV, 300kV, 500kV, 750kV, 1000kV, 1200kV

3. Running time <5min

4. Impedance voltage <5%

5. Temperature rise <65K at rated power. (GIS withstand voltage test chamber, GIS partial discharge-free test equipment, GIS withstand voltage test laboratory, GIS withstand voltage test equipment, GIS partial discharge-free test device MSGTU GIS partial discharge monitoring system, GIS) Partial discharge withstand voltage acceptance test, SF6 insulated gas type high voltage partial discharge test