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基于比例谐振调节器的地铁车辆牵引电机谐波抑制研究 被引量:1

Research on Harmonic Suppression of Urban Rail Transit Traction Motor Based on Proportional Resonant Regulator
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摘要 电气牵引系统是城市轨道交通车辆的核心系统,在目前的列车牵引控制中,采用VVVF逆变器对交流异步牵引电机进行控制,牵引电机中含有大量的谐波,产生脉动谐波转矩、噪声以及附加损耗,影响列车的平稳性和舒适度。针对此问题,首先对牵引电机产生谐波的原理进行介绍,分析影响牵引系统特性的主要谐波及脉动转矩,而后对目前同步旋转坐标系下的牵引系统控制策略进行优化,引入比例谐振调节器对主要谐波进行跟踪抑制,并进行了试验验证,结果证明了比例谐振调节器抑制谐波控制策略的可行性。 The electric traction system is one of the most core systems of the urban rail transit train.The VVVF inverter is used to control AC asynchronous traction motors in the current train traction control system.There are a lot of harmonics wave which cause fluctuation,harmonic,torque,noise and additional loss in traction motors that affect the stability and comfort of the train.The principle of harmonic generation by traction motor is introduced in this paper firstly due to the harmonic problems.Secondly,this paper analyzed the main harmonic and pulsating torque that influence the characteristics of traction system,then the control strategy of traction system in synchronous rotating coordinate system is optimized by introducing the proportional resonant regulator to suppress the main harmonic.Experimental results demonstrate the feasibility of harmonic suppression strategy with proportional resonant regulator.
作者 李葛亮 LI Geliang(Nanning Rail Transit Co., Ltd., Nanning 530000 Guangxi, China)
出处 《铁道机车车辆》 北大核心 2019年第4期111-115,共5页 Railway Locomotive & Car
关键词 电气牵引系统 脉动谐波转矩 异步电机 谐波抑制 比例谐振调节器 electrical traction system pulsating torque of harmonic wave asynchronous motor harmonic suppression Proportional resonant regulator
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