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Testing the GVT at the State Grid Corporation of China. |
Nissin Develops World’s First 1,000kV SF6 Gas Insulated Voltage Transformer in China
In partnership with NEW (Nissin Electric Wuxi Co., Ltd.), a Chinese subsidiary fully owned by Nissin Electric Co., Ltd. (NISSIN), NISSIN has succeeded in developing a SF6 Gas Voltage Transformer (GVT) for 1,000kV SF6 Gas Insulated Switchgear (GIS). NISSIN has taken this occasion to build an additional plant at NEW specifically for 800kV and 1,000kV GVT production. This new plant will begin operation in October, 2010. NISSIN expects that by 2013, NEW's sales will increase from a current JPY 2.3 billion to a total of JPY 3.0 billion.
The 1,000kV GVT was developed at the request and with the full support of the State Grid Corporation of China. Although China's large power stations are located in the inland (western) areas of the country, the major power-consuming areas are concentrated in China's coastal (eastern) areas. Construction of 1,000kV transmission systems is being pushed as a means of effectively delivering electricity from the western to the eastern areas.
Since its establishment in 2002, NEW has supplied 66- 800kV GVTs to major Chinese GIS manufacturers and now boasts the largest GVT market share in China.