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On behalf of the International Organising Committee it is a great pleasure for us to invite you to the 25th International Conference on Magnet Technology in 2017 from August 27 to September 1 in Amste...
Detection of static eccentricity for permanent magnet synchronous motors using the coherence analysis
Permanent magnet synchronous motor eccentricity fault diagnosis spectral analysis
2010/11/22
This paper reports on work to detect the static eccentricity faults for permanent magnet synchronous motor (PMSM) using spectral analysis methods. Measurements are carried out by collecting the stator...
Experimental investigation of shaft transducerless speed and position control of ac induction and interior permanent magnet motors
IPM Motor induction motor sensorless vector control speed and position control high frequency signal injection
2010/10/12
In order to drive AC motors with high efficiency and high motion performance, and to provide accurate speed/position control, motor shaft speed and/or position feedback is required. For this purpose, ...
永磁式涡流缓速器制动性能影响因素敏感性分析（Sensitivity Analysis on Influence Factors for Braking Performance of Permanent Magnet Type Eddy Current Retarder with Uniform Design）
永磁式涡流缓速器 制动性能 均匀设计
2009/11/3
在分析永磁式涡流缓速器制动力矩与结构参数关系的基础上，将均匀设计和回归分析方法引入到永磁式涡流缓速器制动性能影响因素敏感性分析中。以某型号的永磁式涡流缓速器为例，建立了制动力矩随转子鼓内半径、永磁体周向长度、气隙宽度、转子鼓轴向宽度和永磁体高度5个结构参数变化的回归模型，重点讨论了结构参数间交互作用以及各结构参数对制动力矩的影响程度，基于均匀试验设计和制动性能敏感性分析的结果，采用全排列法对结构参...
Transient Behaviour of Superconducting Magnet Systems of Fusion Reactor ITER during Safety Discharge
Transient Behaviour Superconducting Magnet Systems Fusion Reactor ITER Safety Discharge
2009/9/4
To investigate the transient behaviour of the toroidal and poloidal field coils magnet systems of the International Thermonuclear Experimental Reactor during safety discharge, network models with lump...
Applying Closing Phase-Angle Control Technique in Bounce Reduction of AC Permanent Magnet Contactor
Phase-Angle Control Technique Bounce Reduction AC Permanent Magnet Contactor
2010/12/3
A new low-cost electronic control circuit actuator is proposed for minimizing the bouncing times of an AC permanent magnet (PM) contactor after two contacts closing. The proposed new actuator overcome...
Study of flow fractionation characteristics of magnetic chromatography utilizing high-temperature superconducting bulk magnet
magnetic chromatography field flow fractionation HTS bulk magnet
2010/1/18
We present numerical simulation of separating magnetic particles with different magnetic susceptibilities by magnetic chromatography using a high-temperature superconducting bulk magnet. The transient...
Simulation study on the performance of different direct torque control methods for permanent magnet synchronous machines
永磁同步电机 直接转矩控制 磁链误差补偿 空间矢量调制
2008/3/10
提出一种用于永磁同步电动机的基于磁链误差矢量补 偿的直接转矩控制（EFVC-DTC）策略，给出了磁链误差矢 量的估计算法，并将该控制策略下的稳态和动态运行性能与 常规 DTC 进行比较。仿真及实验结果表明 EFVC-DTC 可以 使电力开关器件工作在基本固定的频率上，磁链和转矩脉动 显著减小,比常规 DTC 具有更优越的稳态性能，而动态转矩 响应几乎与常规 DTC 相同。
NEMA Publishes ANSI/NEMA MW 1000-2003 Rev 2 2006 Standards for Magnet Wire
magnet wire aluminum magnet
2007/3/8
06 Mar 2007，(ROSSLYN, VA)—The National Electrical Manufacturers Association (NEMA) has published ANSI/NEMA MW 1000-2003 Rev 2 2006, a concise and convenient compilation of all of the existing NEMA sta...