Emergency Fuel Pool Cooling System provides stand-alone backup.

Press Release Summary:



When off-site electrical power or emergency diesel power is not available, Emergency fuel pool cooling system (EFPCS) removes decay heat from spent fuel pool during site emergencies. System consists of permanently installed, primary cooling loop inside reactor building or spent fuel pool building and mobile, secondary cooling loop stored off-site and located outside reactor building. This reduces time required for system assembly/startup while eliminating need to enter reactor building.



Original Press Release:



Westinghouse Develops Emergency Fuel Pool Cooling System



PITTSBURGH -- Westinghouse Electric Company (www.westinghousenuclear.com) has developed an emergency fuel pool cooling system (EFPCS) to keep spent nuclear fuel cool in emergency situations, including the loss of all plant power.

The system consists of a permanently installed "primary" cooling loop located inside the reactor building or spent fuel pool (SFP) building, and a mobile "secondary" cooling loop. The secondary cooling loop is stored off-site and then located outside the reactor building for either emergency or pre-planned use. This approach reduces the time required for system assembly and startup, which is especially important during emergency situations, and eliminates the need to enter the reactor building. The EFPCS includes mobile diesel generators, air compressors, switchgear and other support equipment required to operate this stand-alone system.

The Westinghouse EFPCS is designed primarily to be a stand-alone backup system for the removal of decay heat from the spent fuel pool during site emergencies when off-site electrical power or emergency diesel power is not available. The system also allows for the addition of makeup water so that safe SFP water levels are maintained.

Design features of the Westinghouse EFPCS include: seismic requirements, environmental release limits, fuel pool temperature limits, supplemental cooling mode, remote operating interface, independent diesel power and SFP keep-fill system.

In addition to supporting plants during emergency situations, the Westinghouse EFPCS can be operated in the temporary cooling mode during refueling outage. This mode is similar to Westinghouse's patented temporary fuel pool cooling system. Operation of this system during refueling outages can reduce fuel movement delays (based on SFP decay heat) and improve refuel floor working conditions by reducing SFP temperatures.

"Recent industry events have placed increased focus on the need to be prepared for every contingency," said Nick Liparulo, senior vice president, Westinghouse Nuclear Services. "We are extremely pleased that we could apply our spent fuel cooling expertise and technology to develop this new product that will serve to provide an added layer of safety for nuclear plants around the world."

Westinghouse Electric Company, a group company of Toshiba Corporation (TKY:6502), is the world's pioneering nuclear energy company and is a leading supplier of nuclear plant products and technologies to utilities throughout the world. Westinghouse supplied the world's first pressurized water reactor in 1957 in Shippingport, Pa. Today, Westinghouse technology is the basis for approximately one-half of the world's operating nuclear plants, including 60 percent of those in the United States.

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