| Customization: | Available |
|---|---|
| Type: | High-voltage |
| Structure: | Three-column Disconnector |
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72.5kV series GIS
1.special design for voltage of 72.5kV
2. single-phase or three-phase encapsulated structure option
3.minimal distance of 650mm
4. abundant insulating margin designed
5.circuit breaker provided with spring mechanism,reliable and eco-friendly
6.All aluminum enclosure with reduced loss of eddy current and high anticorrosive ability as well as light weight
3D diagram of 72.5kV three-phase encapsulated GIS
Main Technical Data of 72.5kV GIS
| Item | Unit | Data | ||
| Rated voltage | kV | 72.5 | ||
| Rated current | A | 2000,3150,4000 | ||
| Rated frequency | Hz | 5,060 | ||
Rated short circuit breaking current |
kA | 31.5,40 | ||
| Rated short-time withstand current and duration | kA/s | 31.5/3 | 40/3 | |
| Rated peak withstand current | kA | 82 | 104 | |
| Rated short circuit making current | kA | 82 | 104 | |
| Rated lightning impulse withstand voltage |
To earth | kV | 350 | |
| Across breaks | kV | 350+35 | ||
| Rated short time power frequency withstand voltage |
To earth | kV | 160 | |
| Across breaks | kV | 160+16 | ||
1.72.5kV single-phase encapsulated GIS
2. 72.5kV GIS for DOMIATsubstation of Egypt,in assemblyat workshop
3.72.5kV GIS for Singapore,in service
4.72.5kV GIS for Singapore,in service
Mechanical endurances of circuit breaker reach M2 class with reliable operation.
Driving element is integrated into contact.Spring contact is used in contact system to simpler structure,easier operation and safer service.
All items of type tests are passed according to national and IEC standards,to receive certificates.
1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.
2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.
3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!
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