对鼠笼式异步电动机比较常见的转子断条、端环断裂故障进行了分析。
The common faults such as rotor broken and end ring crack in squirrelcage asynchronous motor have been analyzed.
通过严格的理论推导，论证了自适应电流速断保护不仅适用于单回线运行方式，同样适用于双回线或环网运行方式。
Strict theoretical deduction shows that adaptive current fast - tripping protection can be used not only on single - circuit line, but also on double - circuit line.
链条断在最弱的一环。
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