电机过载

闭式循环水系统中离心电机过载现象分析及对策

Analysis and Treatment of Centrifugal Pump Motor Overload in Closed Cycled Water System

两相闭式热虹吸管传热性能的研究闭式循环水系统中离心电机过载现象分析及对策

INVESTIGATION ON HEAT TRANSFER PERFORMANCE IN TWO-PHASE CLOSED THERMOSYPHONS Analysis and Treatment of Centrifugal Pump Motor Overload in Closed Cycled Water System

本系统由两级微机组成，为集状感检测、统计、报表打印及电机过载保护于一体的微计算机系统.前置机选用MCS－48单片机，分6个检测控制点；

A computer system is developed , which is composed of two stages of computers and is a unity of state detection , statistics , form printing and overload protection of motor . MCS-48 board computers are chosen as the first stage , which has six detection points .

热继电器在电机过载保护中的应用

Application of Hot Relay in Protection of Over-loaded Motor

可控硅无整流子电机过载能力的研究

An Analysis On Overload Capacity Of S.C.R Commutatorless motor

热力站循环水泵电机过载的分析

Analysis of Circulation Pump Electromotor Overload in Substation

南水北调东线工程泵站电机过载问题研究

Study on overload of electric motor in pumping stations of South-to-North Water Transfer East Route Project

本产品配用电源必须符合风机铭牌标示的额定参数；电机过载保护装置请用户自行配置。

Power should be conformed with the rated parameter of blower Nameplate ; overload protection device of motor is equipped by user .

介绍了一种用低功耗单片机实现的新型电机过载继电器，其无需外加工作电源，采用无触点晶闸管输出。

A novel over-load relay realized by low-waste single-chip microcomputer is introduced , here are some charac ˉ teristic such as dispense with additional power supply , using no-contact SCR .

论述了长距离钢绳芯胶带输送机的小时输送能力、最大张力、带强、轴功率、动载最大张力及安全系数、电机过载、翻带区长度、四弧段半径等问题的计算或校验方法。

The paper discusses the calculation or check method for long - distance steel cord rubber belt conveyors ' capacity , maximum tension , belt strength , axial power , safety coefficient , motor overload and tile radius of concave arc section .

对于电机过载状态，主控系统对反馈进行判断后，增加励磁机的励磁，提高其无功分量，最终使主机处于过励状态，提高过载能力。

For overload of the electromotor , master control system increases the excitation of the exciter , raises it 's imaginary component , finally makes the main engine be placed in the over excitation , and raises it 's overload capacity after master control system judges feedback .

能够在全扬程内使用，而保证电机不会过载。

It can be operated within full head , with no overload of motor .

对旋式通风机二级电机的过载分析及改进设计

Overload Analysis and Improved Design for Two_step Motor of Counter Rotating Fan

在使用扬程范围内使用，保证电机无过载。

In the context of the use of lift to use , to ensure Motor overload .

当电机负载过载或堵转时，采用电流截止负反馈环节可保护电机和驱动器；

Motor and inverter can be protected by the current cut-off negative feedback when motor is overload or locked-rotor .

利用直流伺服电机的过载能力，来改善仿人机器人关节在大负载扰动下的动态性能。

This algorithm utilizes the overload capacity of the DC servo motor to improve dynamic performance of the robot joints under heavy load disturbances .

电机设有过载保护开关，操作简单，安全可靠，进料部位采用密封设置，防止散料非常机械外；

Motor with overload protection switch , easy , safe and reliable feed set or sealed to prevent the bulk material outside the very mechanical ;

从而分析其载荷特性，判断电机是否过载，精确设计合适的飞轮转动惯量值。

Then we gain simulation curves of machine motion law for analysis of its load character and judging whether the motor is overloaded , and for accurate design moment of Inertia of .

轧制力矩过大是轧机主传动系统传动轴断裂的主要原因，传统的电机电流过载保护方式不能真实反映轧机主传动系统扭矩的动力学特性。

The breakdown of transmission shaft in the main drive system is due to too high roll torque . Overpower protection mode of motor current does not reflect the true dynamic character of roll torque .

用单片微机实现多电机回路的过载保护

Overload protection of multi-electric motor circuit with single-chip micro-computer technology

在使用扬程范国内保证电机运行不过载。

No overload will be produced with the motor when it runs within the head range for use .

介绍一种利用8051单片微机技术对多电机回路进行过载保护的方法，提出了该技术的实施思路和程序设计方法。

This paper introduces the method of overload protection for multi-electric motor circuit with 8051 sigle-chip micro-computer technology and points out the implementary thought and the method of the programme design .

电动机保护装置采用热继电器已有很长的历史，但热继电器在电机的轻过载区存在着保护死区，而且对断相保护在许多情况下起不到保护作用。

The protector of electromotor have used heat relay for a long time , but heat relay not only has a dead area in the light over-loading area , but also can 't protect open phase under so much circumstances .

绕线式交流电机同步化后过载能力的研究

Research on Overload Ability of Induction Motor Synchronization

伺服电机有较长的过载能力，有较小的转动惯量和大的堵转转矩。

Servo motor has a long overload ability , have smaller rotary inertia and big plugging around moment .

在电机启动与运行过程中利用单片机对常见电机缺相、过载故障进行循环检测，保护电机。

During the process of startup and running of electromotor , the single microcomputer is detecting the trouble of phase-lacked and overload circularly to protect the electrometer .