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Basic Theory of Direct Power Control for PMSM
Author(s): 
Pages: 21-26
Year: Issue:  10
Journal: Transactions of China Electrotechnical Society

Keyword:  直接功率控制有功功率无功功率开关表;
Abstract: 在对永磁同步电机有功功率和无功功率与系统稳定运行所需转矩和磁链之间的内在关系进行分析的基础上,提出了永磁同步电机基于开关表的直接功率控制新方法.该方法通过计算瞬时有功功率和瞬时无功功率的两个滞环输出,并根据定子磁链所在的扇区,从瞬时功率开关表中查询出合适的开关电压矢量进行输出,从而对瞬时功率进行直接控制.本文以无功功率等于零为控制目标,即需把无功功率控制在零附近很小的范围内波动,使得在电机输出同样...
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