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A pressurized water reactor (PWR) is a type of light-water nuclear reactor. PWRs constitute the large majority of the world's nuclear power plants (with notable exceptions being the UK, Japan, India and Canada).
The plant is a pressurized water reactor with improved use of passive nuclear safety and many design features intended to lower its capital cost and improve its economics. The design traces its history to the Westinghouse 4-loop SNUPPS design, which was produced in various locations around the world. (Note: System 80 was a similar vintage ...
This pressurized water reactor's simplicity, overdesign, and redundancy was intended for ease of operation and tolerance of battle damage. These characteristics contributed greatly to the type's reliability, longevity, and excellent safety record. Later-model S5W reactor plants were often refueled with a S3G core-3, the third version of the S3G ...
These nuclear fission pressurized water reactors (PWRs) were jointly designed by Bettis Atomic Power Laboratory and Knolls Atomic Power Laboratory [1] [failed verification] and built by Westinghouse Electric Company. Their reactor cores are expected to operate for about 25 years before refueling is required. [1]
System 80 is a pressurized water reactor design by Combustion Engineering (which was subsequently bought by Asea Brown Boveri and eventually merged into the Westinghouse Electric Company). Three System 80 reactors were built at Palo Verde Nuclear Generating Station.
The plant, construction of which began in 1973, has two Westinghouse pressurized water reactor units: Unit 1, completed in 1996, and Unit 2, completed in 2015. Unit 1 has a winter net dependable generating capacity of 1,167 megawatts. Unit 2 has a capacity of 1,165 megawatts.
Kenneth Nichols of the AEC decided that the Rickover-Westinghouse pressurized-water reactor was "the best choice for a reactor to demonstrate the production of electricity" with Rickover "having a going organization and a reactor project under way that now had no specific use to justify it."
The reactor's designation, S2W, stands for "Submarine platform," "second-generation core design," and "Westinghouse," the contractor responsible for its development. It was a pressurized water reactor (PWR) initially installed aboard the USS Seawolf (SSN-575), the second nuclear-powered submarine launched by the U.S. Navy in 1955. The S2W ...