Conclusion
Fire protection for PWR nuclear power plants

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BN3265 V1 Article

Conclusion


Fire protection for PWR nuclear power plants

Author : Maurice KAERCHER

Publication date: July 10, 2004 | Lire en français

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6. Conclusion

Protection against the risk of fire is based on additional requirements concerning both unit design and operation. The design is based on deterministic and necessarily limiting hypotheses: a single fire, fire limited to the fire zone or sector, fire qualification of equipment according to a standardized temperature rise curve.

There have been no serious fires in the nuclear power plants, but there are, on average, around twenty notable outbreaks of fire each year, which are quickly brought under local control. The most frequent causes of these fires are electrical faults, the human factor, leaks of combustible liquids and hot-spot work. The most significant fires involved large transformers. The fire was quickly brought under control and did not spread to other equipment. Nevertheless, no major fires were reported in the nuclear fleet, which has been in operation...

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