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本文介绍了采用不同的电气原理全时段检测断相故障与确定断相点,断相闭锁检测对发生的断相故障可以准确、快速地确定断相故障相;运行期间的断相保护可以最有效地解决煤尘、瓦斯及烧坏电动机所带来的灾害和损失。
This paper introduces the different electrical principles of full-time phase failure detection and determination of phase failure point, phase failure lock detection of the occurrence of phase failure can be accurately and quickly determine the phase failure; phase failure protection during operation can be the most effective To solve the coal dust, gas and burn the motor caused by disasters and losses.