C-EPRI Won an Order to Supply Converter Valves for Jiuquan-Hunan ±800kV UHVDC transmission project_Press Release_Press release_C-EPRI

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C-EPRI Won an Order to Supply Converter Valves for Jiuquan-Hunan ±800kV UHVDC transmission project

Aug 10, 2015 Font : T T T Print

Beijing, China, August 10, 2015—C-EPRI was awarded an order to provide converter valves and associated cooling system for Jiuquan-Hunan ±800kV UHVDC transmission project on August 7. This 2383km power highway is designed to have a capacity of 8000MW and run through 5 provinces from Gansu province in Northwest China to Hunan province in the central part, making it the longest UHVDC transmission in the world. The completion of the project is scheduled for 2017.

C-EPRI will design, supply and commission all the converter valves of the sending end. This is the fifth time A5000 technology that has been utilized after Jinping-Sunan project, Southern Hami-Zhengzhou project, Xiluodu-Zhejiang project and Lingzhou-Shaoxing project.

To cater for the booming market for UHVDC applications both in China and aboard, C-EPRI developed an A5000 type UHVDC converter valve technology. It is rated at ±800kV/5000A, while downwardly compatible with lower voltage applications. The A5000 type valve has passed all the type tests conforming to IEC60700 standards, accredited by KEMA laboratory. The A5000 type valve technology was first applied in the Jinping-Sunan ±800kV UHVDC transmission project commissioned in 2012. In January 2012 it was upgraded to ±1100kV/5000A for even higher voltage applications.

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