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SELF-BLAST CIRCUIT BREAKER EMPLOYING THE TWO-PHASE STATE OF A GAS FOR IMPROVING THE INTERRUPTION PROPERTIES
SELF-BLAST CIRCUIT BREAKER EMPLOYING THE TWO-PHASE STATE OF A GAS FOR IMPROVING THE INTERRUPTION PROPERTIES
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机译:利用气体两相态的自爆电路断路器来改善中断特性
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摘要
A breaking chamber (1) for a medium- or high-voltage circuit breaker extending along a longitudinal axis (XX′) and comprising: a pair of arcing contact (4, 5), at least one (5) of which is movable along the longitudinal axis (XX′); an arc-blast nozzle (6); a blast chamber (7), having a volume V2 that is constant and that opens out inside the blast nozzle; a compression chamber (8), arranged substantially behind the blast chamber, and structures (73, 81) for putting the internal volume of the compression chamber (8) into communication with the internal volume of the blast chamber (7); and structures (14, 15, 50), disposed substantially behind the compression chamber (8), in order to deliver liquid, either into the compression chamber (8), or directly into the blast chamber (7).
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