State grid - Cooling systems of the converter valve in HVDC systems

STATE GRID, China

Builds and operates power grids and provides secure and reliable power supply for the development of society

For this cooling system of the converter valve, one of the key factors is to analyze the reliability of HVDC (High Voltage Direct Current) systems. HVDC transmission is an efficient technology designed to deliver large amounts of electricity over long distances with negligible losses.

The longest HVDC link in the world is currently the Xiangjiaba-Shanghai. It was built and owned by State Grid Corporation of China (SGCC).
Total Length: 2071KM
Power rating: 6400MW
DC Voltage: 800KV

Serto PVDF fittings

Serto PVDF

Siemens China has prescribed Serto PVDF, which is also used in the European facilities. A number of other brands of plastic couplings were tried, but due to the complexity of the system Serto PVDF was the best option. The customer prefers the high-grade quality products from Serto. Besides Serto PVDF fittings, FEP tubes are used in this application.

Parameters

Medium: Cooling water
Pressure: 2 bar
Temperature: 0~60 ºC

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