threephase circuit

A detailed relationship between the lighting and the eyesight, and the methods and the advantages of putting a fluorescent lamp into a phase shift circuit and a threephase circuit are also discussed in details.

文中还就照明与视力的关系，荧光灯接入移相电路、三相电路的方法及优点作了阐述。

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The threephase circuit is applied to production and life extensively, so the experiments of it are important and necessary, nevertheless the experiments are not only very dangerous, but also some of fault experiments are relatively hard to do.

在生产与生活中三相电路的应用最为广泛，针对三相电路运行工况的实验就显得重要而且必然，然而实际的三相电路实验不仅危险性较大，而且一些故障性试验较难进行。

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The test circuit for measuring stray losses of threephase asynchronous motor by variable frequency feedback method is provided in this paper STRAY LOSSES OF ROTATING MAGNETIC FIELDS IN ELECTRICAL MACHINES WITH SHIELDS

依据国家标准规定，自行设计了实现用变频回馈法测三相异步电动机杂耗的试验线路，并进行了实际测量。旋转磁场中电机屏蔽的损耗

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Threephase AC voltage regulation based on phase width modulation and on dual CPU scheme and circuit realization

利用双CPU方式的PWM消谐三相交流调压及电路实现

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In this paper, the principle and the circuit of the power saver of the threephase induction motor are studied.

本文研究三相电动机节能器的电路和节能原理。

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