Chinese submarine power for CNNC’s nuclear emergency-backup power plant

BEIJING, 12 May — China National Nuclear Corporation (CNNC) has signed a C-2 project nuclear-class emergency diesel unit building contract with China Shipbuilding Industry Corporation (CSIC).

The C-2 project will use indigenous Chinese nuclear-class emergency diesel units built by Shanxi Diesel Engine Co. (SXD). CNNC is the general contractor for the project.

According to CNNC, this ends the situation of Chinese nuclear power plants being completely dependent on imports for such equipment. Wang Shoujun, CNNC vice president, said the nuclear-class emergency diesel units are the one of a nuclear power plant’s most important pieces of equipment, but that China has been dependent on imports before.

SXD is licensed to produce MAN B&W four-cylinder engines, and has this year ordered two naval PA6 units from MAN subsidiary S.E.M.T. Pielstick. The PA6 unit powers China’s Yuan-class submarine, and also has widespread standalone and emergency power application.

According to CNNC, SXD has developed 300MW nuclear-class emergency diesel technology – CNNC’s news release says SXD will expand Chinese nuclear power plant exports and conduct research into 600MW and 1000MW nuclear-class emergency diesel units for nuclear power plants.

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