Compensation Method of the Voltage Vector for the Rectifier in the Open-Winding Permanent Magnet Generation System

Abstract

Abstract:

Due to the existence of high current harmonics caused by the rectifier in the novel open-winding permanent magnet generation system with the inverter-rectifier topology. This paper presented the analysis of the causes and components of the current harmonics. The composition of the voltage space vector diagram of the rectifier-inverter were given based on the current state. In order to compensate the vector of the non-linear rectifier, a novel control algorithm based on the voltage vector of the rectifier was proposed to verify the high efficiency and feasibility of the proposed generation system.

Key words: Open-winding permanent magnet generation system, inverter-rectifier, current harmonics, voltage vector of the rectifier

CLC Number:

TM341

Wei Jiadan,Zheng Qingqing,Zhou Bo,Deng Qingtang. Compensation Method of the Voltage Vector for the Rectifier in the Open-Winding Permanent Magnet Generation System[J]. Journal of Electrical Engineering, 2015, 10(7): 18-25.

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绕组三相电流状态	对应电压矢量	θ_L/(°)
+––	OA	0
++–	OB	60
–+–	OC	120
–++	OD	180
––+	OE	240
+–+	OF	300

参数	数值
负载电压给定值/V	168
额定工作电流/A	10
电机极对数	2
绕组内阻/Ω	1
d轴电感/ mH	2
q轴电感/ mH	2
永磁磁链/ Wb	0.413 8
负载大小/Ω	37.5