可实现电机输入电源功率因数的改善,减轻其容量。
It can obtain the improve of power factor of the input motor power, and can lighten its capacity.
结果水泵有效功率和输入功率均随着电机频率的下降而不断降低,同时水泵效率也随着频率下降而降低。
The results show that available power and power input of water pump continuously decline with motor frequency reducing, and pump efficiency also decrease at the same time.
基于对电机输入瞬时有功无功功率的分析,提出一种新的永磁同步电机瞬时功率控制方案。
Based on instantaneous power analysis, an instantaneous power control method of permanent magnet synchronous machine (PMSM) is proposed in this paper.
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