Abstract: In this chapter, circuit breaker specification and testing are discussed. For high-voltage circuit breakers, the no-load sound pressure level must not be greater than 95 dB at the most disadvantageous point, 25 m from the circuit breaker. It is appreciated that, under the conditions of interruption of a heavy short circuit, the additional release of energy could significantly increase the noise level emitted. However, because of the extreme rarity of high fault operation, no account is at present taken of such operations in the specification of noise levels.
Publication Year: 1982
Publication Date: 1982-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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