永磁耦合調(diào)速電機(jī)多模式調(diào)速控制策略
龐曉輝1,張強(qiáng)2,許曙光1,周煉2
(1 國家能源集團(tuán)諫壁發(fā)電廠,江蘇 鎮(zhèn)江 212000;2 江蘇大學(xué) 電氣信息工程學(xué)院,江蘇 鎮(zhèn)江 212013)
摘 要:永磁耦合調(diào)速電機(jī)在低速狀態(tài)下速度調(diào)節(jié)性能較差。分析了永磁耦合調(diào)速電機(jī)結(jié)構(gòu)及其調(diào)速工作原理,設(shè)計(jì)了一種根據(jù)轉(zhuǎn)速條件選擇合適的控制參數(shù)的多模式調(diào)速控制策略,在寬范圍內(nèi)提高調(diào)速性能。搭建5.5 kW永磁耦合調(diào)速電機(jī)的調(diào)速試驗(yàn)系統(tǒng),試驗(yàn)結(jié)果表明,多模式調(diào)速控制策略可以根據(jù)輸出轉(zhuǎn)速選擇合適的控制參數(shù),快速準(zhǔn)確地跟蹤寬范圍給定轉(zhuǎn)速,具有較強(qiáng)的魯棒性。
關(guān)鍵詞:永磁耦合調(diào)速電機(jī);多模式;調(diào)速控制
中圖分類號:TM301.2 文獻(xiàn)標(biāo)識碼:A 文章編號:1007-3175(2020)04-0035-04
Multi-Mode Speed Control Strategy of Permanent Magnet Coupling Motor
PANG Xiao-hui1, ZHANG Qiang2, XU Shu-guang1, ZHOU Lian2
(1 National Energy Group Jianbi Power Plant, Zhenjiang 212000, China;
2 School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)
Abstract: Permanent magnet coupling speed regulation motor has poor speed regulation performance at low speed. This paper analyzes the structure of the permanent-magnet-coupled speed-regulating motor and its speed-adjusting working principle, and designs a multi-mode speed-adjusting control strategy that selects appropriate control parameters according to the speed conditions to improve the speed-adjusting performance in a wide range. A speed regulation test system for a 5.5 kW permanent-magnet-coupled speed-regulating motor was built. The test results show that the multi-mode speed control strategy can select appropriate control parameters according to the output speed, and quickly and accurately track a wide range of given speeds with strong robustness.
Key words: permanent magnet coupling speed regulation motor; multi-mode; speed control
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