串联电动机

This cycloconverter uses few components and the control strategy is simple, only square wave of control is used.

该方法是在电动机转子绕组上串联一电压源，它采用单相至三相交交变频实现。

Symmetrical components method is employed in the analysis of the asymmetrical circuit system, the value of the starting resistance is calculated preliminarily, and then, well and truly determined by computer simulation.

仿真结果表明，三相异步电动机定子一相或两相串联电阻起动，可以有效地限制起动电流和起动转矩，延长起动时间，适合于某些生产机械对起动的要求。

Can not pay attention to high baking temperature should be controlled at below 125 ℃;⑶ current dry: submersible pump according to the impedance and power of the size of the motor three-phase windings in series or parallel, and then access a variable resistor, adjust Current for the rated current value of around 60%, drying power.

注意烘烤温度不能过高，应控制在125℃以下；⑶电流干燥：可根据潜水泵的阻抗和电源的大小将电动机三相绕组串联或并联，然后接入一可变电阻器，调整电流量为额定电流值的60%左右，通电干燥。

The results of simulation show that three-winding single-phase capacitance motors with wye-connected drive ventilated machine load can proceed to AC braking to realize fast stopping. The capacitance number of changes can regulate system braking stopping time. When capacitance is certain, can establish the resistance to limit the electric current and electromagnetical torque in stator circuit during the braking process, regulating braking stopping time.

仿真结果表明，Y接法的三绕组单相电容电动机带通风机负载时可以进行交流制动实现快速停车；通过改变电容的数值可以调节制动停车的时间；当电容一定时，可以在定子电路中串联电阻来限制制动过程中的电流和电磁转矩，调节制动停车的时间。

Due to the rating voltage of the IGCT, series connections of two IGCTs and its corresponding dynamic and static snubbers are necessary to satisfy the 6kV motor, which is very popular in our country.

根据目前的IGCT耐压水平，为了得到我国数量众多的6kV高压电动机所需的输入电压需要两只IGCT及相应的阻容吸收回路的串联使用。

The power train of armored face conveyor is repairable series-wound system. It consists of electrical motor, coupling, gearbox, sprocket assembly, chain assembly etc. The error of any part of power train will result in the failure of the whole system.

刮板输送机的传动系统由电动机、偶合器、减速器、链轮轴组、刮板链等组成，构成了整个传动链，任何一个部件的故障都会导致整个系统的失效，是可修复的串联系统。

This article establishes the mathematic model of the three-phase DSHBDDM with the serial magnetic circuit.

利用电机的磁网络模型，分析了三相串联磁路结构DSHBDDM的反电势和自感与互感，提出了一种在电动机动态运行中测量电感的方法。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。