基于自适应反推控制的无传感器PMSG闭环I/f控制

doi:10.16182/j.issn1004731x.joss.17-0219

系统仿真学报 ›› 2019, Vol. 31 ›› Issue (3): 556-565.doi: 10.16182/j.issn1004731x.joss.17-0219

基于自适应反推控制的无传感器PMSG闭环I/f控制

畅达^1,2, 余洋^1,2, 米增强^1,2, 郑晓明^1,2, 孙辰军³

1. 华北电力大学电力系,新能源电力系统国家重点实验室,河北保定 071003;
2. 河北省分布式储能与微网重点实验室,华北电力大学电力系,河北保定,071003;
3. 河北省电力科学研究院,河北石家庄 050021

收稿日期:2017-05-12 发布日期:2019-11-20
作者简介:畅达(1991-),男,山西太原,硕士,研究方向为新能源电力系统;余洋(1982-),男,重庆,博士,硕导,研究方向为新能源电力系统等。
基金资助:
国家自然科学基金(51407077)

Adaptive Backstepping Control Based Closed-loop I/f Control of Sensorless Permanent Magnet Synchronous Generator

Chang Da^1,2, Yu Yang^1,2, Mi Zengqiang^1,2, Zheng Xiaoming^1,2, Sun Chenjun³

1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, Electricity Department of North China Electric Power University, Baoding 071003,China;
2. Hebei Key Laboratory of Distributed Energy Storage and Micro-grid, Baoding 071003, China;
3. Hebei Electric Power Research Institute, Shijiazhuang 050021, China

Received:2017-05-12 Published:2019-11-20

摘要/Abstract

摘要： 针对机械弹性储能系统动力源扭矩变化特性,提出一种无传感器永磁同步发电机(PMSG)闭环I/f反推自适应控制策略。建立机械弹性储能系统的数学模型和定子电流矢量定向下的PMSG数学模型,在分析PMSG开环I/f控制不足的基础上,提出基于自适应反推控制的I/f闭环控制方法,通过转速和电流闭环使定子电流定向的dq轴和以电机转子定向的dq轴之间的转角恒定。仿真结果表明,能够抑制转速波动,I/f控制的“转角-自平衡”特性使系统无须加装速度传感器,能够防止启动阶段过流,构建的定子电阻和电感自适应律可以准确辨识PMSG定子电阻和电感,提高了控制的鲁棒性。

关键词: 机械弹性储能系统, 无传感器, PMSG, I/f闭环控制

Abstract: A novel strategy applied closed-loop adaptive back-stepping control to permanent magnet synchronous generator (PMSG) is proposed targeting the problem of the modification of torque for mechanical elastic energy storage (MEES) system utilizing PSMG as power source. This paper establishes the mathematical model of MEES system and PMSG, and presents the closed-loop adaptive backstepping control which makes the angle between the dq axis oriented by the current of stator and the dq axis oriented by the rotor a constant value via the speed and current closed-loop based on the analysis of open-loop I/f control. The closed-loop adaptive back-stepping control can suppress the speed fluctuation, sensorless, overcurrent and improve the PMSG robustness by identifying the stator resistance and inductance of generator. The ideal control result can be proved in the state of startup and steady operation of PMSG.

Key words: mechanical elastic energy storage system, sensorless, PMSG, closed-loop I/f control

中图分类号:

TP273

畅达, 余洋, 米增强, 郑晓明, 孙辰军. 基于自适应反推控制的无传感器PMSG闭环I/f控制[J]. 系统仿真学报, 2019, 31(3): 556-565.

Chang Da, Yu Yang, Mi Zengqiang, Zheng Xiaoming, Sun Chenjun. Adaptive Backstepping Control Based Closed-loop I/f Control of Sensorless Permanent Magnet Synchronous Generator[J]. Journal of System Simulation, 2019, 31(3): 556-565.

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基于自适应反推控制的无传感器PMSG闭环I/f控制

Adaptive Backstepping Control Based Closed-loop I/f Control of Sensorless Permanent Magnet Synchronous Generator

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