摘要
针对传统的无刷直流电机电源设备的功率因数低、电流纹波大等问题,设计了一种新型无桥Cuk变换器BLDCM驱动器进行电路的功率因数校正,提高电源设备的电能质量,降低输入传导损耗,实现对无刷直流电机转速的有效控制。以不连续电感电流模式(DICM)为例,使用单周期控制策略来分析了驱动器的工作原理及其各参数设计,在MATLAB仿真建立了相应的仿真模型。仿真结果表明,无桥Cuk变换器BLDCM驱动器能够很好地提高电源设备的功率因数,抑制电流谐波,无刷直流电机稳定良好运行。
引文
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