因此脉动转矩对电动机起动影响很小。
Therefore, Pulsating torque has very little effect on the starting of motor.
为此研制成一种新型的电动机起动装置。
Hence, a new kind of starting device of electric motor is developed for this purpose.
介绍一种应用于电动机起动的新式控制方法。
This paper presents a new control method in motor started application.
电动机起动时的母线电压降不得超过10%。
A bus bar voltage dip during motor starting, shall not exceed 10%.
介绍了绕线式异步电动机起动控制电路改进的情况。
The improvement on the start control circuit of wound asynchronous motor is introduced.
电动机起动时阻抗大、电流小、功率因数高、转矩大；
On starting, this electric motor has high impedance and power factor, low current, and large torque.
同时，母线电压跌落也可能不能满足电动机起动要求。
And the voltage drop of medium voltage busbar also maybe not satisfies the requirement of biggest motor start-up.
本文论述了凸极同步电动机起动时起动绕组温升的计算。
The computer simulation method for calculating temperature rise of salient pole synchronous motor starting winding is described in this paper.
泵系统在电动机起动和停止时，容易产生液流冲击和喘振。
The system of centrifugal pump is subjected easily to the fluid hammer and surges when starting and stopping motor.
采用软起动器可以减小异步电动机起动时对电网的电流冲击。
The adoption of soft starters can counteract the current impact to the power supply for induction motor starting.
一般电动机起动后进行空载运行一小时，试运行中应作全面检查。
Generally, electric motor should be tested for an hour after starting in unloading condition, and a thorough check should be performed.
既要为智能控制打下良好基础，又要降低电动机起动时的故障发生。
Both intelligent control to lay a sound foundation, but also to reduce motor starter when the fault occurred.
在工程实际中，电动机起动时引起的母线电压下降不能超过规定值。
In practical projects, while an asynchronous motor starting, the drop of voltage on the bus bar must be within the limits which is stipulated by the national standard.
本文首先给出了直线感应电动机起动时的求解域，边界条件和假设条件。
In this paper, firstly the solved region, boundary condition and hypothesis condition in starting for linear induction motor is given.
分析了一起母线失电后快切装置动作时电动机起动过程中差动保护的误动事故。
In course of motor starting after no-voltage bus, a malfunction fault of motor differential protection was analyzed.
考虑三相异步电动机起动过程挤流效应对参数的影响，建立了变参数的等效电路。
Considering the effect of the skin-effect during the starting of three-phase asynchronous motor on the parameter, the author sets up an equivalent circuit of variable parameter.
一般异步电动机起动电阻的计算方法，无论是作图法或解析法，往往都需要多次尝试。
As a normal calculation method for asynchronous motor starting resistance, whether diagram drawing or analytics, usually there should be many trials.
本文针对三相异步电动机起动电流较大的问题，设计了一种软起动模糊自适应控制器。
Considering the large startup current of induction motors, this paper presents a fuzzy Aaptive control soft starting system.
介绍一种新的(？)三维方法。用这种方法可计算异步电动机起动时的轴向温度场分布。
This paper presents a new quasi-3D method which can be used to calculate the axial temperature field of induction motor during start.
本文介绍了增安型同步电动机起动笼的结构设计及工艺，指出了增安型电动机的技术关键。
The structure design and technology of starting cage in safety-increasing type synchronous motor were introduced in this paper, the key technique was given about this kind of synchronous motor.
本文提出电流继电器控制绕线式异步电动机起动电路改进方法，并对改进电路优劣进行了分析。
A method in the improvement of current relay controls winding asynchronous motor starting circuit is put forward, and the merit, demerit of it are described in the paper.
通过对高压电动机起动过程中电气参数变化的研究，提出高压电动机过热保护的整定计算方法。
Through the study of the electric machine parameter changing during the starting of the high voltage motor, provided the setting calculation method for high voltage motor overheat protection.
对感应电动机起动特性进行了分析，针对其起动电流较大的问题，设计了一种软起动模糊控制器。
Considering the large startup current of induction motors, this paper presents a fuzzy control soft starting system.
本文介绍了一种解决大型同步电动机起动的电路，详细介绍了起动装置的组成以及起动过程实现。
The paper presents a kind of circuit to solve the starting of the high capacity synchro motor, and introduces the formation of the starting device and th…
介绍三相异步电动机起动时，通常按照一定的时序接通或关断2到3台接触器来实现电动机的起动。
When start up a 3-phase asynchronous motor, it is generally realized by energizing or de-energizing 2 to 3 contactors in a certain time order.
本文阐述了交流电动机软起动控制器的控制原理，与常规的交流电动机起动控制器相比所具有的优点和特点。
This article describes the control principle of soft starter of alternate current electric motor, and the excellence and characteristic than normal starter.
内装转换开关，用于电流60A以下的电气线路中，作为电源引入开关，并可控制电动机起动变速停止换向等。
Inside installed selector switch, can be used in the circuit below60A as power lead-in switch, and the switch cab control motorstart, change speed, stop, and commutation.
液力联轴器是一种应用广泛的通用传动装置，它利用液体动能来传递功率，能改善电动机起动性能，实现过载保护。
Fluid coupling has an abroad application by drive unit, in the course of using. It USES liquid kinetic energy to transfer power, improves electromotor start capability, realizes over loading protect.
介绍了单相电动机离心开关断开转速的微机测试系统，该系统利用单板机控制，以电动机起动电流作为开关断开信号。
The paper introduced a microcomputer measuring system that takes measurement of the cen-triffugal switch breaking speed of single phase induction motor.
对于电动机起动需要控制起动电流和转矩震动的问题，采用双闭环的控制方案，即电流闭环控制和功率因数角闭环控制。
As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.
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