基于扰动观测补偿电流调节器的双绕组感应发电机交直流集成发电控制技术

doi:10.7527/S1000-6893.2025.31865

Abstract

Abstract:

To address the issues of slow dynamic response and insufficient anti-interference ability of the current loop PI regulator in the AC/DC integrated power generation system of Dual Winding Induction Motor （DWIG）， a control strategy based on disturbance observation compensation current regulator for the DWIG AC-DC integrated power generation system is proposed. Firstly， a mathematical model of the DWIG AC-DC integrated power generation system is established， and the limitations of the traditional PI regulator in AC-DC coupling scenarios are analyzed. Secondly， the sum of the coupling terms in AC and DC currents is defined as a disturbance term， a disturbance state observer is designed， the transfer function of the disturbance observation value to the actual value is derived， and the design constraints of the observer parameters are given. Finally， the total disturbance observation value is introduced into the current control strategy to form feedforward compensation， realizing decoupling control of d-axis and q-axis currents as well as AC and DC side winding currents. Experimental results show that the proposed strategy effectively enhances the current loop response capability of the system， improves the dynamic performance of the generator， and significantly reduces the mutual influence of AC and DC sides. This ensures stable output of AC voltage and DC voltage， and provides technical support for high-performance power supply of more electric aircraft power systems.

Key words: AC-DC integrated power generation, Double Winding Induction Motor (DWIG), disturbance observation compensation, PI regulator, reduced order observer

CLC Number:

V242.4

Feifei BU, Pengyu SUN, Jianyu SHI, Tianyi ZHU, Yajun ZHAO, Haihong QIN, Wenxin HUANG. AC-DC integrated generation control technology of double-winding induction generator based on disturbance observation compensation current regulator[J]. Acta Aeronautica et Astronautica Sinica, 2025, 46(18): 331865.

Figures/Tables 16

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Table 1

Main parameters of DWIG power generation system used in the experiment

参数	数值	参数	数值
额定功率/（kV·A）	15	极对数	3
额定转速/（r·min^-1）	8 000	定子槽数	36
功率绕组额定相电压/V	115	转子槽数	33
控制绕组额定相电压/V	77	控制绕组每相串联匝数	12
定子外径/mm	194	控制绕组相带（电角度）	120
定子内径/mm	130	控制绕组节距	5/6
转子外径/mm	129.3	功率绕组每相串联匝数	18
转子内径/mm	35	功率绕组相带/（°）	120
气隙/mm	0.35	功率绕组节距	5/6
铁心长度/mm	110	激磁电感/ $m H$	1.058
功率绕组电阻/ $Ω$	0.024 7	功率绕组漏感/ $μ H$	66.4
控制绕组电阻/ $Ω$	0.032	控制绕组漏感/ $μ H$	66.4
转子电阻/ $Ω$	0.030 2	转子漏感/ $μ H$	65
交流绕组励磁电容/ $μ F$	40	绕组匝比	1.5
滤波电感/ $μ H$	58.5	直流母线滤波电容/ $μ F$	4 000

Table 1

References 26

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AC-DC integrated generation control technology of double-winding induction generator based on disturbance observation compensation current regulator

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