查询词典 thyristor

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That is to say, during the starting process of induction motor, hold-off angle of current has gradually decreased from initial value to zero. The method can always make the displacement angle less than thyristor's firing angle. So the voltage of the induction motor won't oscillate. Therefore, the oscillation of current, electromagnetic and speed can be eliminated during the soft-starting process of induction motor. This paper verifies the correctness of the method by simulation at first.

根据上述原因，本文提出了采用关断角控制的新型控制策略，这种控制策略是使电动机在起动过程中的电流关断角由某一初始值逐渐减小到零，利用该方法可以使感应电动机起动过程中的续流角始终小于晶闸管的触发角，这样续流角的变化就不会引起电动机端电压的振荡，因而就从根本上消除了感应电动机软起动过程中的振荡现象。

The thyristor can be trigged into the on-state by applying a pulse of positive gate current for a short duration provided that the device is in its forward blocking state.

如果是处于正向阻断状态，只要在门极提供一个短暂的正脉冲，晶闸管就会导通。

A new three-phase AC voltage-regulating AC circuit which use thyristor three-phase bridge controlled rectifier as three-phase symmetrical Y connection is presented.

提出了一种用晶闸管三相全控整流电路用作三相Y接对称性电阻性负载进行的三相交流调压电路，此调压电路由晶闸管三相全控整流电路改造而成，并分析了工作原理，给出了实验结果。

In this paper, thyristor power regulatorsharing the development of the status quo, the development problemsfaced by.

本文介绍了晶闸管交流调功器的发展现状，发展中所面临的问题等。

In this paper, thyristor power regulator sharing the development of the status quo, the development problems faced by.

本文介绍了晶闸管交流调功器的发展现状，发展中所面临的问题等。

Simulation method of thyristor controlled series compensation is studied.

对可控串补的仿真方法进行了研究。

If the line voltage is less than 80% of the nominal voltage,the thyristor unit is

如果电压低于标称电压的80%，晶闸管单元将停止工作。

Thyristor Controlled Series Compensation is one of the major Flexible AC System elements which have been developed ...

可控串联电容补偿装置是近年来发展起来的灵活交流输电系统中的主要元件之一。

Thyristor Controlled Series Compensation is one of the major Flexible AC System elements which have been developed in recent years.

可控串联电容补偿装置是近年来发展起来的灵活交流输电系统中的主要元件之一。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。