绕组

This paper discusses the principle of the torque ripple of BLDCM with focuses on the theoretical analysis of the relationships between torque ripple and parameters of windings,motor speed and bus voltage,as well as 3-phase reverse electrodynamic potential during phase converting.

对永磁无刷直流电机的换相转矩脉动的产生机制进行了分析，主要从理论上探讨了换相引起的转矩脉动与电机绕组的参数、换相期间的三相反电动势、电机的运行速度及母线直流电压等之间的关系。

During the course of electro form process, we got ideal electro form process condition that can get windings with uniform granule and high compactness, including current waveform, frequency, duty ratio and voltage to the windings ect. Affect of underlay's flatness to the electroform process are also analysed in detail. Compatibility between photoresist and electroforming solution is also solved.

在电铸工艺中，摸索出获得颗粒均匀、致密度高的金属绕组线圈的电铸工艺条件，给出了电铸电流的波形、频率、占空比及电极电压，并对衬底表面不平整度对电铸效果的影响进行了详细分析，解决了电铸过程中光刻胶与电铸液兼容性的问题。

During the course of electro form process, we got ideal electro form process condition that can get windings with uniform granule and high compactness, including current waveform, frequency, duty ratio and voltage to the windings ect. Affect of underlays flatness to the electroform process are also analysed in detail. Compatibility between photoresist and electroforming solution is also solved.

在电铸工艺中，摸索出获得颗粒均匀、致密度高的金属绕组线圈的电铸工艺条件，给出了电铸电流的波形、频率、占空比及电极电压，并对衬底表面不平整度对电铸效果的影响进行了详细分析，解决了电铸过程中光刻胶与电铸液兼容性的问题。

As a result, it provides foundation for further study of electromagnetic force and electromagnetic vibration in the end region of the turbogenerator.

本文的研究为进一步分析发电机端部绕组电动力及电磁振动提供了依据。

Based on the basic principle of electromagnetics, the windings of the high temperature superconducting transformer are optimized.

以电磁学的基本原理为基础，对高温超导变压器的绕组进行电磁优化。

Above all,the electromagnetism parameter and the harmonic magnetomotive force of Powerformer are studied in this paper.

基于上述原因，本文对Powerformer的电磁参数以及定子绕组谐波磁势进行了研究。

In this paper, PD of the high voltage DC generator used in electrostatic precipitation is studied.

本文研究了一种用于静电除尘的高压直流发生器的局部放电现象（该发生器具有特殊的内部结构，其交流绕组和整流硅堆位于同一箱体内）。

Sichuan Pearl Electrotechnics limited liability company is the first in our province received ISO9001:2000 quality system certification of enterprises First,electrical materials industry in our province is also the well-known enterprises and backbone enterprises,with more than 10 years specialized in the winding line Zhibao,electricians Round copper production and marketing of the history and experience,occupied the province and Chongqing, two major regional markets.

四川省明珠电工材料有限责任公司是四川省首批获得ISO9001：2000质量体系认证的企业之一，也是四川省电工材料行业的知名企业和骨干企业，具有十多年专业从事纸包绕组线、电工圆铜线的生产和销售的历史和经验，占据了省内和重庆两大区域的主要客户市场。

At present it has 250 sets of high-speed drawing machine in all varieties. And 60 sets of domestic advanced enamelling machine are also equipped. By holding a high-quality professional team and the first class special equipments as well as the complete production control mechanism including test and inspection devise, the company annually manufactures all kinds of enamelled wire to provide winding wire which are 5000 tons of enamelled copper wire, 8000 tons of enamelled aluminum and 1000 tons of aluminum coated with copper for electric mechanical product and electric appliance.

目前拥有各类高速拉丝机近250台，国内最先进的漆包机60多台，一支高素质的专业技术人员和训练有素的员工队伍，并具有国内一流先进水平的漆包线专用设备、完善的生产过程控制及全性能测试装置，年产各种漆包圆铜线5000吨、圆铝线8000吨、铜包铝1000吨，为机电、电器产品提供绕组线材。

According to the complete geometric symmetry of the irons and windings, and the mirror symmetry during positive-negative operating-mode period, the expressions of current harmonics are derived, and the electromagnetic equitation are simplified. Based on this, the analytical calculation of flux density and the electromagnetic calculation of the reactor are performed.

根据两个铁心及绕组的结构完全对称以及它们工作状态在正负半周里呈镜像对称的特点，推导出电流谐波关系式，简化了本可控电抗器的电磁方程，并根据简化后的数学形式研究了其磁感应强度的解析计算，最终计算出了各项性能指标。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。