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谐振直流环节逆变器驱动BLDCM的控制研究 被引量:1

Control Strategy of BLDCM Driven by novel Resonant DC Link Inverter
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摘要 结合无刷直流电机(BLDCM)脉宽调制(PWM)的特点和谐振直流环节逆变器的工作原理,提出了新型并联谐振直流环节软开关逆变器驱动无刷直流电机的控制策略。三相逆变桥仅实现BLDCM的换相运行,通过谐振直流环节开关的调制斩波,实现了BLDCM的PWM控制。实验结果表明,该控制策略实现了谐振直流环节逆变器的正常工作,BLDCM运转平稳,电流波形较好。 A novel control strategy is proposed for brushless DC motor (BLDCM) driven by parallel resonant DC link inverter.The switches of the inverter work under the commutation frequency to give proper commutations such that two of the three phases are with on states and the remaining one is with floating state.Auxiliary switches are controlled, and resonant occurs between inductor and capacitor to perform PWM control for BLDCM.Subsequent experiment is performed for BLDCM,and their results confirm the validity of control rule presented.
出处 《电力电子技术》 CSCD 北大核心 2009年第6期34-36,共3页 Power Electronics
关键词 无刷直流电机 脉宽调制 逆变器 驱动 brushless DC motor pulse width modulation inverter drive
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