SXGTU GIS Partial Discharge Detection System
Advanced High Voltage No Partial Discharge Testing Solution for GIS & GIL Equipment
1. General Information
The SXGTU GIS Partial Discharge Detection System is an advanced high voltage test solution specially developed for GIS (Gas Insulated Switchgear) and GIL (Gas Insulated Line) equipment testing.
With the continuous development of the global power grid and increasing voltage levels up to 1000kV, higher requirements are placed on high voltage test equipment. Based on advanced technology, Sansion Power has developed the SXGTU series, which provides reliable solutions for factory acceptance tests, preventive maintenance tests, and insulation performance verification of high voltage and large-capacity GIS/GIL systems.
The system is widely used by GIS manufacturers, power utilities, testing laboratories, and high-voltage equipment service organizations.
With an additional high-voltage bushing interface, the system can also be applied for testing conventional high-voltage equipment.
2. Key Features
- Fully shielded high voltage structure ensures safe operation and reliable testing performance.
- Extremely low partial discharge level, controlled within 1–3 pC under rated voltage.
- Compact design with small footprint and lightweight modules, suitable for limited testing areas.
- Built-in high-voltage isolation switch enables multiple testing functions in one system.
- Direct connection design simplifies installation and improves testing efficiency.
- Strong mechanical structure ensures reliable transportation and long service life.
- Reduced power supply requirements compared with traditional high voltage testing systems.
- Suitable for high voltage and large-capacity GIS/GIL equipment testing applications.
3. Technical Specifications
| Parameter |
Specification |
| Voltage Level |
100kV / 200kV / 250kV / 300kV / 500kV / 800kV / 1000kV (Customized higher voltage available) |
| Capacity Range |
50–2000 kVA (Customized higher capacity available) |
| HV Generation Method |
High voltage transformer boosting + series resonance (power frequency / variable frequency) |
| Primary Input Voltage |
0.35–10 kV |
| Partial Discharge Level |
≤1–3 pC under rated voltage |
| Temperature Rise |
≤65K after 60 minutes operation at rated current (50Hz) |
Customer FAQ
Q1: What equipment can be tested by SXGTU GIS PD Detection System?
A:
It is mainly designed for GIS, GIL, high-voltage switchgear, and other large-capacity power equipment testing. With optional interfaces, it can also test conventional high-voltage equipment.
Q2: What is the partial discharge level of the system?
A:
The system adopts a low-noise design, and the partial discharge level can be controlled within 1–3 pC under rated voltage.
Q3: Can the system be customized?
A:
Yes. Voltage level, capacity, interface design, testing configuration, and system structure can be customized according to customer requirements.
Q4: What voltage levels are available?
A:
Standard solutions cover 100kV to 1000kV voltage levels. Higher voltage classes can be customized.
Q5: What are the main applications?
A:
It is widely used for GIS/GIL factory testing, preventive maintenance, commissioning tests, and insulation performance evaluation.
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