Interrupting no load transformer is the most serious case in vacuum circuit breaker switching overvoltage.

切除空载变压器是真空断路器操作过电压问题最严重的情况。

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The gas pressure within vacuum interrupter has a direct effect upon the properties of vacuum circuit breaker.

真空灭弧室的内部气体压力直接影响真空断路器的性能。

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Electrical contact, method of manufacturing the same, electrode for vacuum interrupter, and vacuum circuit breaker.

电触点及其制造方法，用于真空断续器的电极，以及真空断路器。

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In a vacuum, a conventional circuit breaker -- which measures heat across a load -- doesn't work, because there, there's less or no atmosphere there to draw the heat off, so a conventional circuit breaker would trip.

ENGADGET: Art Thompson, Red Bull Stratos' technical project director, talks circuit breakers, wind shear and biomedical data

"When you slide that door open, all of the electronics are exposed to the near-vacuum, so we had to develop a solid-state breaker that was monitoring actual loads across that circuit, " Thompson said.

ENGADGET: Art Thompson, Red Bull Stratos' technical project director, talks circuit breakers, wind shear and biomedical data