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Sistemas de emergencia de suministro de energía en centrales nucleares

50-SG-D7 (REV. 1)

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Spanish STI/PUB/870 92-0-300193-X
20.50 1993


The safety objective, and basic and detailed requirements for the fulfillment of its safety function, are presented for the various types of emergency power systems. AC, DC, non-interruptible AC, standby diesel generators and non-electric systems such as steam turbines for individual pumps and instrument air, and the necessary distribution systems are dealt with. Some guidance is also given for the main and auxiliary outside grid connections.
Contents: Definitions; 1. Introduction; 2. Power supplies; 3. General design principles; 4. General design requirements; 5. Detailed design requirements; 6. Design for surveillance, testing and maintenance; 7. Design confirmation; Annex I: Examples of tests, test intervals and monitoring displays; Annex II: Examples of electrical power supplies for a nuclear power plant with a single reactor.

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