The torque-ripples of the double-salient motor are inevitable for its double salient structure and switch power source.
双凸极电机的凸极结构及其供电电源的开关形式 ，导致了在输出转矩中存在稳态转矩脉动和换向转矩脉动。
The circuit of this device is formed the source, pressed frequently by the pulse changer, photosensitive resister and power switch three parts make up.
该装置的电路由脉冲形成源、压频变换器和光耦与功率开关三部分组成。
The unit can be started with the breaker or switch opened using the generator step-up transformer as a source of off-site power.
机组可在断路器或负荷开关打开时，采用发电机升压变压器作为一种非本电厂电源来起动。
Welding machine control unit is equiped with no power source arc start unit, CMOS, and high power switch.
该焊机采用“无源引弧器”引弧，引入CMOS、时基、大功率开关等集成电路进行弧焊自动控制。
This method can also be applied to switch electrical source of inductive load or bring-in spare power supply.
该方法还可以用于感性负载的电源的切换以及备用电源自投入。
Compared with traditional control method, a digital control method of soft-switch arc welding power source is put forward.
在与传统的弧焊电源控制比较的基础上，提出了一种软开关弧焊逆变电源的数字控制方案。
Switch power of high frequency is serious electromagnetic interference (EMI) source, so EMI source filter usually should be added in switch power.
高频开关电源是严重的电磁干扰源，很多情况下需对其安装emi电源滤波器。
The switch may be coupled between the rechargeable battery and a DC power source and capable of moving between conducting and non-conducting states.
该开关可以连接在可充电电池和一个直流电源之间并且能够在导通和非导通状态之间转换。
It can not only realize conventional spare power source automatic switch-in, but also realize system automatic recovery.
不仅可实现常规备用电源自动投入的功能，还可实现系统的自动恢复。
This paper discussed the principle of an automatic switch for power source reserve with computer.
论述了微机式备用电源自动投切装置工作原理。
Meanwhile the related issues of the use of spare power source automatic switch are discussed.
同时对备自投装置使用中存在的一些问题提出了参考意见。
A new standby power source automatic switch system lives up to design requirements and is a reference for.
改造后的备用电源自投系统效果达到了设计要求，为同类型问题的解决提供了参考。
Once the motor reaches near design operating speed, the centrifugal switch activates, opening the contacts and disconnecting the startup winding from the power source.
一旦电机达到接近设计运行转速，离心开关开始动作，关断启动绕组与电网之间的连接。
This article introduces a new design plan of soft switch invert welding power source, which can almost get in soft switch state under no-load, short circuit or load.
提出了一种新的软开关逆变弧焊电源的设计方案，该方案基本上可实现空载、短路、燃弧全负载范围内的软开关状态。
This paper is for introducing a main connection scheme and auto-switch manner of its back-up power source, which is with high reliability and suitable for feeding power to important loads.
介绍了一种高可靠性的适合带重要负荷的电气主接线方式以及该主接线的备自投方案。
The wire connection switch links the built-in power source attachment plug of automobile.
电线连接开关再连接汽车内置电源插头。
The invention realizes night viewing through a switch positioned on the handle, a night viewing power source part in the handle and a light emitting diode.
本发明通过位于手柄上的开关、手柄内的夜视电源部分和发光二极管实现夜视；
The utility model comprises a shell body, a thermoelectric couple, an overvoltage protector, an analog switch, a magnifier, a display meter and a power source.
包括壳体、热电偶、过压保护器、模拟开关、放大器、视表、电源。
With such a switch, power source (having) the character of intrinsic safety can be well formed, which can be used in explosive environment.
该电源可在有爆炸性气体存在的环境中工作。
With such a switch, power source (having) the character of intrinsic safety can be well formed, which can be used in explosive environment.
该电源可在有爆炸性气体存在的环境中工作。
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