In concept design phase, selection and evaluation of mechanism are crucial.

在概念设计阶段中, 机构的选择与评价较为重要.

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Maloperations are made sometimes in phase selection of microcomputer - based line protection in complex networks.

该文讨论了国内现在微机保护常用的几种选相原理的不足,并提出解决选相问题的几点建议.

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Now these functions are realized by electronic circuit and got used widely in phase selection devices.

目前广泛采用的选相分合闸机构,大多由电子线路实现上述功能.

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