US-based Westinghouse Electric Company on 8 July announced a contract with Harbin Turbine Company Limited Automation Control Company to supply the units 3 and 4 of China’s Changjiang NPP in Hainan Province. First concrete was poured on 31 March for the basemat of unit 3 after the National Nuclear Safety Administration issued a construction licence for Changjiang 3&4 (phase II) - both Hualong One units. The construction period is expected to be 60 months. Construction of unit 4 is scheduled to start in 10 months. Both units are due to enter commercial operations by the end of 2026. - two 1000 MWe class pressurized water reactors.
“This contract is a significant step in extending our capabilities to other Gen III pressurised water reactors,” said Gavin Liu, Westinghouse president of Asia Operating Plant Services. “We look forward to collaborating with Harbin Turbine Company Limited and the owner of the Changjiang nuclear power plants to complete all necessary tests with the highest safety and operational standards.”
The turbine control and protection system is a critical part to protect the safe operation of the turbine and generator, as well as the overall nuclear power plant. It includes the Digital Electro-Hydraulic control system (DEH), turbine Emergency Trip System (ETS) and Reheat Temperature Controller (RTC).