Hein's installation is a wall of neon lights that switch off as the viewer approaches.
这是一个由霓虹灯组成的墙,当观众靠近它时它便会关上。
Hein's installation is a wall of neon lights that switch off as the viewer approaches.
这是一个由霓虹灯组成的墙,当观众靠近它时它便会关上。
In a10kV distribution system,when shunt ca-pacitors are switched off by vacuum circuit breakers,restrike overvoltage often occurs.
电力系统中使用真空断路器切无功补偿用并联电容器时,容易产生重燃过电压,严重影响并联电容的安全运行。
This paper describes the mechanism that multiple reignition of breaker can restrain or increase progressively the switching-overvoltage during switching off inductive or capacitive load.
论述了开关在开断容负载时多次重燃对过电压的抑制递升机理。
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