摘要
针对传统的SF6高压断路器零部件多、传动机构复杂、不便于实时控制的问题,结合电力电子技术和电机设计的概念提出一种基于永磁无刷直流电机驱动断路器的方法。根据高压断路器对操动机构的性能需求,确定电机主要参数,给出电机瞬态仿真波形。分析起动过程中电机转角与电机转矩的波形曲线,得到永磁无刷直流电机驱动机构的最优控制策略。对三相机械联动分闸与合闸进行现场数据采集,并对开合同期性进行了验证。实验波形的计算结果表明:永磁无刷直流电机驱动的操动机构可根据预先设定的操作特性曲线实现对SF6高压断路器的操作,能够满足SF6高压断路器操作的要求。
To solve the problem that traditional SF6 high voltage circuit breaker has many parts, transmission mechanism is complex and does not suit real-time control, combing with the concept of power electronics technology and motor design, a method is put forward based on permanent magnet brushless DC motor（BLDCM） driving circuit breaker. According to performance requirements of high voltage circuit breaker to operating mechanism, main parameter of the motor and transient simulation waveform was de- termined. The optimal control of BLDCM driving mechanism was obtained by analyzing waveform curve of starting motor angle and motor torque. Data of three-phase mechanical linkage opening and closing was collected, and the synchronism was verified. The calculation of experimental waveform results show that the motor operating mechanism is well performed according to the preset operating characteristic curve and the mechanism meets the requirements of SF6 high voltage circuit breaker operating.
出处
《电机与控制学报》
EI
CSCD
北大核心
2013年第7期94-98,104,共6页
Electric Machines and Control
基金
国家科技支撑计划重点项目(2008BAF34B04)
关键词
SF6高压断路器
操动机构
永磁无刷直流电机
瞬态仿真
机械联动
SF6 high voltage circuit breaker
motor operating mechanism
brushless DC motor
transient simulation
mechanical linkage
作者简介
芦宇峰（1982-），男，博士研究生，研究方向为电机设计与断路器机构优化；通讯作者
孟大伟（1956-），男，博士，教授，博士生导师，研究方向为电机设计与电机内综合物理场计算；
徐永明（1979-），男，副教授，研究方向为潜油电机设计与优化；
夏云彦（1987-），女，博士研究生，研究方向为电机优化设计。
