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Research on a DC-current sampling strategy
Author(s): 
Pages: 58-64
Year: Issue:  3
Journal: Electric Machines and Control

Abstract: 针对传统母线电流采样存在调制系数可控范围受限,电流重构算法复杂,对电流反馈通道带宽要求严格等缺点,提出一种电流采样策略,并对其原理、电路拓扑结构、电流转换和电流重构等环节进行分析.与传统母线电流采样方法相比,所提出的电流采样方法可采集包括续流电流在内的全部电流信息,因此可用于电磁转矩的精确控制;在调制系数m ∈[0,1]范围内实现准确电流采样,解决传统方法中调制系数受限的问题;可以有效降低对电流反...
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