电动机

The circle diagram of the induction motor was educed by analyzing the motor's equivalent circuit,then its application to computation was demonstrated by illustration.

首先从感应电动机的等效电路分析得出电动机的圆图，然后举例说明它们的应用计算，从而说明电动机的圆图和等效电路一样，都是分析计算电动机问题的有效工具。

Swithced reluctance machine is a new structure of electromotor. Combining this new structure with the modem power electronics technique and modem control technique, swithced reluctance drive has been one of the pop issues of the development of modem electric dirve.

开关型磁阻电动机调速系统融开关型磁阻电动机与现代电力电子技术、控制技术为一体，兼有异步电动机变频调速系统和直流电动机调速系统的优点，已经成为当代电气传动发展的热门课题之一。

Based on the analysis of the function of intelligent motor monitor required by the motors, a type of intelligent motor monitor has been developed supervising the motors on manufacturing field, the distributed supervision and management for the field operation motors are performed with the motor control center.

本文在分析电动机对智能监控器功能要求的基础上，开发了一种用于监控和保护工业生产现场电动机的电动机智能监控器，实现了控制中心对工业生产现场电动机的全分布式智能化监控和管理。

ABSTRACT The researches of this thesis are carried out around the development of high performance machine tool spindle permanent magnet synchronous motor and its drive system. Five parts are included: First of all, concerning the operating characteristics of the machine tool spindle drive system, the optimum current control strategies of spindle PMSM are determined; The design rules of spindle PMSM's key parameters are summarized, based on the study on the influences of the design parameters on the performances of the PMSM operating at different current control strategies; The practical methods to improve the flux-weakening ability of the PMSM are presented; Based on the analysis and comparison of the operating performances of PMSM with different rotor structures, a novel PMSM rotor structure, which is of excellent mechanical performance, suitable for fluxweakening operation and can improve the torque output capacity in the same time, is presented.

本文围绕高性能机床主轴永磁同步电动机及其传动系统的设计研究展开，所做工作主要包括五部分：首先，确定了主轴永磁同步电动机定子电流的最优控制策略；通过对不同控制策略下主要设计参数对主轴永磁同步电动机性能影响的计算研究，总结了参数设计规律；提出了永磁同步电动机弱磁扩速的实用措施；在分析比较不同转子磁路结构电机的性能，尤其是弱磁扩速能力的基础上，提出了一种机械性能优越，易于弱磁扩速，同时能保证电机恒转矩运行时的转矩输出能力的新型转子磁路结构。

Factory covers an area of 3300M2, building area of 2600M2, our factory has currently Products A02, B02, C02, D02, JW, JY, JZ, JX, YS-H, YUG, YL, YYS series of sub-horsepower motor professional production and export of various types of electric motors, mainly including: asynchronous motor, three-phase asynchronous motor, single-phase motors, split-phase start-up of single-phase motors, single-phase capacitor start motor, capacitance running single-phase motor , single-phase resistance starting asynchronous motors, single-phase capacitance running motor, marine exchanges, such as three-phase asynchronous motor, the products are sold throughout the country, and substantial exports to the United States, Germany and other European and American countries.

厂区占地 3300M2 ，建筑面积 2600M2 ，我厂目前产品有 A02、 B02、 C02、 D02、 JW 、 JY 、 JZ 、 JX 、 YS-H 、 YUG 、 YL 、 YYS 等系列的分马力电机专业生产和出口各类电动机，主要包括：异步电动机、三相异步电动机、单相电动机、分相起动单相电动机、单相电容起动电动机、电容运转单相电动机、单相电阻异步起动电动机、单相电容运转电动机、船用交流三相异步电动机等，产品销往全国各地，并大量出口到美国、德国等欧、美国家。

In the electric motor soft start question, uses the crystal thyratron intelligence module which controls by the singlechip to change the electric motor the initial firing current, the realization soft start; In the protection question, uses the singlechip to monitor the electric motor the movement, to lacks the breakdown implementation to separate the electrical machinery movement immediately, according to certain algorithm judgment electric motor whether crosses the class, like tallies has flowed the condition is the separation electrical machinery movement.

在电动机软起动问题上，采用由单片机控制的晶闸管智能模块改变电动机的起动电流，实现软起动；在保护问题上，采用单片机监视电动机的运行，对缺相故障实行立即断开电机运行，根据一定算法判断电动机是否过流，如符合过流条件即断开电机运行。

The main products are as follows, three different step motors of YS series, the YY series electric capacity operates the asynchronous motor, YC (YC2) serial single-phase electric capacities start the asynchronous motor, the YU series resistance starts the asynchronous motor, asynchronous motor of electric capacity of a pair of value of YL series, three different step motors of Y series, three different step motors of Y2 series, YD series change the asynchronous motor of extremely many speeds, YH series are transfered to three different step motors of difference rate high, the YCJ series gear wheel moderates three different step motors, YEJ series electromagnetic to apply the brake three different step motor, YCT series electromagnetic to transfer speed three different step motor , YVP series frequency conversion transfer speed asynchronous motor , YSF series axle flow fan special-purpose three different step motor, Three different step motors of YZU series vibration source , the electronic device of YDF2 series valve uses three different step motors and YOX series limit distance type hydraulic coincidence device , ZLY spatters and makes such 28 series and more than 1500 specifications as the coil post tooth decelerator ,etc..

主要产品有：YS系列三相异步电动机、YY系列电容运转异步电动机、YC（YC2）系列单相电容起动异步电动机、YU系列电阻起动异步电动机、YL系列双值电容异步电动机、Y系列三相异步电动机、Y2系列三相异步电动机、YD系列变极多速异步电动机、YH系列高转差率三相异步电动机、YCJ系列齿轮减速三相异步电动机、YEJ系列电磁制动三相异步电动机、YCT系列电磁调速三相异步电动机、YVP系列变频调速异步电动机、YSF系列轴流风扇专用三相异步电动机、YZU系列振动源三相异步电动机、YDF2系列阀门电动装置用三相异步电动机和YOX系列限距型液力偶合器、ZLY渐开线圈柱齿减速器等28个系列1500多个规格。

The thyristor and stator winding have different topology architecture when the inductionmotor is controlled by the thyristor. Based on the fault characteristics of the inductionmotor, the current through the thyristor and the stator winding are studied when theshort-circuit or open-phase fault is occurred. The reasonable protection method based onthe different topology architecture is given in the thesis, and the induction motor and theover-current of the thyristor are reliably protected.

在分析异步电动机一般故障特性的基础上，针对采用晶闸管对异步电动机进行节能控制时晶闸管与异步电动机绕组所形成的不同拓扑结构，详细分析了在发生短路、断相等各种故障时晶闸管与异步电动机绕组中通过的电流，为实现晶闸管的过流速断和异步电动机的可靠保护提供合理的保护判据。

DC motor complex large-scale three-phase power transformer deep-trough three-phase asynchronous motor DC motor DC motor single-phase squirrel-cage induction motor.Three-phase commutator motors, single-phase motor power sub-phase squirrel-cage three-phase asynchronous electric double mine explosion-proof motor with squirrel-cage three-phase asynchronous motor rotor cup AC servo motor drives three-phase asynchronous motor principle of rotating magnetic field Generation and transmission of three-phase induction motor winding three-phase stepper motor 165mm Three-phase three-phase synchronous motor stepping motor JFB power generator rotor rectifier type AC synchronous motor DC servo motor three-phase current rotating magnetic field of teaching instrument Wound Three-phase alternator motor 160 rats of three-phase permanent magnet generator cage induction motor Synchro Motor medium-sized three-phase power transformer

直流复励电动机大型三相电力变压器三相异步深槽式电动机直流电动机直流电机单相异步鼠笼式电动机三相整流子电动机单相电动机电源分相器三相异步双槽鼠笼电机矿用防爆电动机三相异步鼠笼式电动机杯形转子交流伺服电动机三相异步电动机调速原理旋转磁场的产生与变速三相绕线式异步电动机 165mm三相步进电机三相同步电动机 JFB型硅整流发电机转子供电交流同步电机直流伺服电动机三相电流旋转磁场示教仪绕线式电动机三相交流发电机 160型永磁发电机三相鼠笼异步电动机自整角电机中型三相电力变压器

According to four electric motors designing that primary data ascertains the host circuit be chief axis electric motor , rocker arm electric motor , hydraulic pump electric motor and cooling pump electric motor every one platform; Rotating , rolling back and protecting a function for the starting, stop realizing a drill machine

根据设计原始材料确定主回路电动机四台，即主轴电动机、摇臂电动机、液压泵电动机和冷却泵电动机各一台；为了实现钻床的启动、停止、正转、反转及保护功能，设计了相应的控制回路；同时为了对应电动机的各个动作，对其作出指示，设计了指示电路；然后换照电气选型原则，对元器件进行了选择。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。