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Curtiss-Wright Corp. (NYSE: CW), Westinghouse Electric Co. and State Nuclear Power Technology Corporation of China (SNPTC) completed testing of a nuclear reactor coolant pump (RCP). Each RCP weighs 200,000 lbs. Each of the two steam generators has two pump casings welded to the channelhead by the suction nozzle. The pump weighs 187.5 tons, or 375,000 pounds, and is a critical component of the AP1000 design as it circulates hot primary-circuit water within the reactor. The reactor coolant pumps can now be installed at Sanmen Unit 1 in China, the world’s first AP1000 reactor. Cooling systems naturally ensure a heat transfer from a reactor core to steam generators, which is the main purpose of the cooling systems. "Conclusion of the reactor coolant pump testing program is a major milestone in the delivery of the world's first AP1000 plant. The System 80 design was created by Combustion Engineering and featured a two-loop cooling system with a single steam generator paired with two reactor coolant pumps in each loop that makes it simpler and less expensive than systems which pair a single reactor coolant pump with a steam generator in … The pump being redesigned is a reactor coolant pump manufactured by the EMD division of the Curtiss-Wright company. Nuclear Power-> Nuclear Power Plant-> Reactor Coolant Pump. Subscribe to … 5 January 2016 | Roisin Reidy Shipment of the 16 Curtiss-Wright RCPs is not expected to begin until 2019. 5.4.1.3.2 Overspeed Conditions Reactor coolant pump overspeed can be postulated for either a fault in the connected electrical The AP1000 pump is and is over 22 feet tall. The pumps were manufactured by Curtiss-Wright and initially passed qualification testing in June 2012 at Curtiss-Wright Flow Control business segment's Electro-Mechanical Division (CW-EMD) facility in Cheswick, Pennsylvania. Each AP1000 reactor employs four main reactor coolant pumps, which circulate reactor coolant through the core, loop piping and steam generators. The rigor and discipline applied throughout the testing process demonstrate the safety and quality focus of the AP1000 project team. Each hot leg supplies a steam generator to which two RCP’s are mounted that supply coolant flow to the cold legs and thus the reactor. The reactor coolant system has been integrated reactor module, which is illustrated in Figure. 2 reactor in November, it has since been suspended after a problem with its coolant pump was detected near the end of last year. The RUV is a very compact, vertical pump/motor unit, designed to fit into the compartment next to the reactor pressure vessel. An AP1000 Reactor Coolant Pump leaves the CW facility in Cheswick, PA for its final home in China! 5.7 RO-AP1000-20. This provides the required increase in reactor coolant flow with only a small increase in … Greater China Supply chain & Logistics Who wins the Main Pump of Hualong? Curtiss-Wright to provide 16 reactor coolant pumps for Chinese AP1000 nuclear power plants. Roderick said that none of the other AP1000 projects would be impacted as they will simply use the new pump design. There are four AP1000 reactors under construction in China and four in the United States. The AP1000 does not requ ire reactor coolant pump operation to achieve safe shutdown. 2.4.5 Reactor coolant pumps The AP1000 reactor coolant pumps are high-inertia, highly-reliable, low-maintenance, hermetically sealed pumps that circulate the reactor coolant through the reactor core, loop piping, and steam generators. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Brief Description of the change (what is being changed and why): This report summarizes changes to the AP 1000 reactor coolant pump design which have resulted from detailed design work. The final performance testing has verified successful reactor coolant pump operation during a full range of AP1000 plant operating conditions … Pressurized Water Reactor (PWR) RCS, such as the Westinghouse AP1000 plant, is the Reactor Coolant Pump (RCP). Each plant is supported by two AP1000 reactors, while each reactor holds four reactor coolant pumps. Has been integrated reactor module, which is illustrated in Figure 4 achieve safe shutdown first AP1000 reactor coolant. Reactor collant pumps for Sanmen 1 are expected to begin the description let. Reactor RCP was successfully completed in ambient operating conditions the cooling systems to ensure safe, continuous operation of two... 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