提出了有关异步电动机启动和运行的综合控制方案。
The comprehensive control scheme for the starting and running of asynchronous motor is presented.
YS系列三相异步电动机有优良的启动和运行性能，结构简单，使用和维护方便；
YS series three-phase asynchronous motor has excellent starting and running performance and is simple in structure, easy to operate and maintain.
许多电动机在启动时的扭矩转速特性几乎不变。
Many motors do have a nearly constant torque-speed characteristic during starting.
许多电动机在启动时的扭矩转速特性几乎不变。
Many motors are characterized by its constant torque-speed characteristic during starting.
电动机自动启动已准备好。
对异步电机的启动过程进行了分析，对普通异步电动机用于驱动重载启动设备而造成频繁损坏的机理进行了合理的解释。
The starting process of asynchronous motor is analyzed and the mechanism of normal asynchronous motors frequently damaged by driving heavy load starting devices is explained reasonably.
首先应开动油泵与冷却系统，经过35后，待油路畅通再启动破碎机电动机。
First should start pump and cooling system, after 35, to expedite restarting crusher motor oil.
一些常见的非线性负载有荧光灯、可控硅电动机启动器以及UPS系统。
Some common nonlinear loads are fluorescent lighting, SCR motor starters and UPS systems.
简单控制是指对电动机进行启动、制动和顺序控制。
Simple control is about start, apply the brake, and order control.
应限制启动次数，正确选用热保护，按电动机上标定的定额使用。
Should limit the number of activated, the correct choice of thermal protection, according to motor on the use of fixed calibration.
当电动机启动时，其电压不允许低于额定值的85%。
When the motor is started, its voltage is not permitted to go below 85 percent of the rated value.
本文提出一种计算较大电动机启动时对公共母线电压影响的方法。
This paper presents a calculating method for checking the voltage impact on common bus during large motor starting.
而利用电动机启动电流检验差动保护接线的新方法，简便可靠，容易与现场安装施工进度相协调。
The new approach, which checks differential protection connection using electromotor starting current, is simple and reliable, and easy to be coordinated with installation schedule.
增安型电动机在运行时，尤其在启动过程中存在产生放电或火花的可能性。
It would cause discharge or spark for increased safety motor in operation, especially during starting up.
输配电线路故障、变压器投运、感应电动机启动是引起电压凹陷的主要原因。
Voltage sags due to line faults, transformer energizing and induction motor starting are main interference sources.
介绍新一代综合保护器基本原理和功能，利用电气综合保护器，对高压电动机的启动实现全过程控制。
Presents the basic principle and function of the new generation of comprehensive electric protector, as well as the whole process control of HP electric motor switch-on with it.
介绍了用80c196 KB控制的异步电动机软启动系统，给出了系统建立的数学模型及软件设计方法。
The paper introduced the soft starting system of asynchronous motor controlled by 80c196kb, and gave the mathematic model of the system and designing method of the software.
启动电动机，真空泵开始工作，吸附台面产生吸附效果。
The starting motor, the vacuum pump starts to work, adsorbs the floor to produce the adsorption results.
这台缝纫机是靠电动机启动的。
该产品体积小，容量大，稳定可靠。适用于交流电动机启动电路中。
The product has small volume? Large capacity and stable reliability. It is used to the startup circuit of ac electromotor.
文中利用本法计算了同步电动机的异步启动转矩特性。
This method has been used to calculate the speed-torque characteristics of a synchronous motor during asynchronous starting.
同时分析了异步电动机的软启动和保护问题。
At the same time, this paper analyzes the soft start and protection problems of asynchronous motors.
针对电动机—发电机系统在低网压下的启动特性进行了理论分析和模拟计算。
Academic analysis and simulation calculation about starting characteristic of motor generator system in low voltage were carried through.
三相电动机以三相电源驱动感应电动机，其效率很高，启动力矩也比较大。
Three-phase motor relies on three-phase supply. It has a high efficiency and can get a high starting torque.
该系统解决了电动机启动中电流过大的问题，并且实现电动机的过压、过流、欠压等各种故障的数字显示。
The device can solve the problem of over current in electromotor start up process, and has the digital displaying of fault such as under voltage, over voltage and over current, etc.
智能节电器能实现电动机的软启动、软停机，自动调整电动机输出功率，达到节能降耗的目的。
The intelligent power saving device can be used for soft start up, soft shutdown and automatically adjusting output and cost reduction.
智能节电器能实现电动机的软启动、软停机，自动调整电动机输出功率，达到节能降耗的目的。
The intelligent power saving device can be used for soft start up, soft shutdown and automatically adjusting output and cost reduction.
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