electrical machines

Software for Computing Electromagnetic Field of Permanent Magnet Electrical Machines Based on Object-oriented Techniques

面向对象技术的永磁电机二维电磁场计算软件

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So the sound intensity technique will be a wide range of applied prospects in the low noise measurement of the small& special electrical machines.

因此，声强技术同样适用于微特电机等低噪声声功率级测定。

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Research on Middle Frequency Voltage Test Technique Used in Turn-to-turn Insulation Test for Pole Coils of Large Electrical Machines

大型电机磁极线圈匝间绝缘中频试验技术研究

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The General Comment on the Development of Small& Special Electrical Machines Industry

特戊酸的产业现状微特电机产业发展概述

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With a view to reduce the capacity of electrical machines in the system, the author analyses the function of saturated extent of magnetic circuit of the generator, the non-load characteristic of the excitor and the mechanical characteristic of the motor.

从降低系统中各电机容量的这个要求出发，分析发电杌磁路饱和程度、激磁机空载特性、电动机机械特性对拖动系统中各个电机的容量选择的意义。

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The of Micro& Special Electrical Machines and Its Developing Trend Equivalent Electrical Simulation of Micro Acceleration Sensor

微特电机及其发展趋势微机械加速度传感器性能的等效电学模拟

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design optimization of electrical machines is a nonlinear constrained and mixed-discrete multiple variables optimization problem.

电机优化设计是一种复杂的、有约束、非线性、混合离散多变量规划问题.

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The testing of medium wear-angle tangent tg δ is an important measure to monitor insulation of electrical machines, and also benefits the safe operation of electrical equipments.

介质损耗角正切tgδ的测试是电气设备绝缘监督的一项重要措施.做好介质损耗的测量对于发现电气设备绝缘隐患，保证电气设备的安全运行有着重要意义。

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The test circuit for measuring stray losses of threephase asynchronous motor by variable frequency feedback method is provided in this paper STRAY LOSSES OF ROTATING MAGNETIC FIELDS IN ELECTRICAL MACHINES WITH SHIELDS

依据国家标准规定，自行设计了实现用变频回馈法测三相异步电动机杂耗的试验线路，并进行了实际测量。旋转磁场中电机屏蔽的损耗

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On-line Partial Discharge ( PD ) detection is common method for insulation monitoring in high voltage electrical machines.

局部 放电 在线检测技术是高压旋转电机定子绕组绝缘监测的有效方法.

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Analysis on Quality Situation of National Small and Special Electrical Machines Trade by Product Supervision and Inspection

从产品督查剖析我国微特电机行业质量状况

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Development Strategy and Market Trend for Small Special Electrical Machines

微特电机市场动向和发展对策

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The priority of development is grinding head system, it is that increase electrical machines of grinding machine spindle and improve grinding linear speed, grinding accuracy and efficiency etc.

开发的重点是磨头系统的研制，即增加数控轧辊磨床主轴电机功率、提高磨削砂轮线速度、提高轧辊磨床的磨削精度、磨削效率等。

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A 23 Bit Absolute Shaft Position Encoder by Means or Small and Special Electrical Machines

利用微特电机测角的23位绝对式轴角编码器

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This paper develops a mathematical model of the synchronous motor in step motion using the method of motor matrix analysis based on the general theory of electrical machines and properties of step motors.

根据电机统一理论与电机步进运动特点，利用电机的矩阵分析方法，建立了同步电机做步进运动时的数学模型。

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In order to fit the new requirement of teaching reform, and to reflect the technological achievements in the field of small special electrical machines, a new textbook Small Special Electrical Machines and Systems written by the author has been printed by China Electric Power Press.

为适应我国教育体制改革对教材所提出的新要求，充分反映微特电机技术发展的最新成果，我们编写出版了普通高等教育十五规划教材《微特电机及系统》一书。

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Small& special electrical machines syncretize many high technologies, such as electrical machine, computer, power electronics, automatic control, material and so on. They are the basis of modern weapon automation, industry automation, office automation as well as domesticity automation.

微特电机融合了电机、计算机、电力电子、自动控制、精密机械、材料等多种高新技术，是现代武器装备自动化、工业自动化、办公自动化和家庭生活自动化等不可缺少的重要技术。

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The Numerical Calculation of Electromagnetic Field and Its Influence on the Theory of Electrical Machines

电磁场数值计算及其对电机理论的影响

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Finite Element Analysis of Acoustic Power Radiation by Electrical Machines

利用有限元法分析电机辐射的声功率

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This paper surveys the develop-ing trends of micro and special electrical machines at this new situation.

本文综述在这种新形势下，微特电机的发展动向。

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This paper discusses the applications of the transfer function matrix in the theory and control of electrical machines, and to calculate the transfer function matrix of asynchronous machine with MarkoV parameters.

讨论传递函数矩阵在电机理论及控制问题中的应用，以马尔可夫参数求解异步电机的传递函数矩阵。

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The of Micro& Special Electrical Machines and Its Developing Trend

微特电机及其发展趋势

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all electrical machines shall increase of speed during 2 min without damages and residual deformations.

所有电动机器须经历2分钟的转速的加速,不得出现裂痕和留有变形的情况.

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Development of Iron Powder SMC materials and Its Application in Electrical Machines

铁粉软磁复合材料开发及其在电机上的应用

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Conical shaft extension for rotating electrical machines conical drum reversing concrete mixer

GB/T757-1993旋转电机圆锥形轴伸锥形反转出料混凝土搅拌机

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erection works of electrical installations code of construction and acceptance of rotating electrical machines

电气装置安装工程旋转电机施工及验收规范

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The variation and transmit of the radial and tangential energy flow in the air gap of electrical machines are illustrated by analyzing the divergence of Poynting vector.

通过对坡印亭矢量的散度的分析，阐明了电机气隙中径向能流和切向能流的变化和传递。

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Measurement of loss and efficiency for large AC electrical machines by the calorimetric method

GB/T5321-1985用量热法测定大型交流电机的损耗及效率

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Mechatronics promotes the development of micro and special electrical machines

机电一体化促进了微特电机的发展

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Conical shaft extension for rotating electrical machines cone and jet cement mixer with hopper

GB/T757-1993旋转电机圆锥形轴伸带漏斗锥形射流式水泥搅拌机

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