三相异步电动机在一相不通电情况下仍继续运行,则另外两相就流过了单相电流,此种状态称为单相运行(即缺相运行)。三相异步电动机单相运行危害极大,轻则烧毁电动机,重则引起火灾。
... single phase wattmeter 单相瓦特计 single phasing 单相运行 single plan of standard cost 标准成本的单行记帐法,标准成本的单一记帐法 ...
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... 单相异步电动机 monopole asynchronous motor 单相运行 single-phase operation 单相整流变压器 single-phase rectifier transformer ...
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单相运行保 protection against single-plasing
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作为三相感应电动机单相运行的一种特殊接法,SEMIHEX连接可使三相感应电动机在单相电源上接近对称运行。
As one of the connections for three phase induction motor to operate from single phase supply, SEMIHEX connection can enable three phase induction motor have approximated symmetrical operation.
在高温、高电流运行的情况下,单相电机都受到一个内置式、自动重置热过载保护装置的保护。
Single phase motors are protected against both high operating temperatures and high current by a built in, automatically resetting thermal overload.
简要介绍了钕铁硼单相同步电动机的基本结构、运行原理、性能特点、应用前景及社会、经济效益分析。
This paper introduces the basic structure, operation principle, main performances, economical problem and USES of Nd-Fe-B single - phase synchronous motor in the future.
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