αβ-dq-0坐标系下高压电机起动特性的分析Analysis of starting characteristic of high-voltage motor in αβ-dq-0 coordinate system
顾海勤,杨奕,张蔚,顾雪政,黄媛媛
摘要(Abstract):
三相感应电动机的起动过程较为复杂,而稳态特性曲线又无法准确描述实际情况,为了准确计算电机的起动特性,在αβ-dq-0坐标系下建立电动机的动态数学模型。充分考虑到电动机的实际负载,起动过程中转子参数的变化,分析并计算了电动机的起动特性与起动时间。计算结果表明,动态特性曲线比稳态特性曲线更符合电动机起动的实际情况,为设计满足客户需求的电机提供了准确的参考依据。
关键词(KeyWords): 三相感应电动机;起动特性;起动时间;坐标变换;数学模型;动态特性曲线
基金项目(Foundation): 国家自然科学基金项目(51507087);; 江苏省自然科学基金项目(BK20140430);; 南通大学自然科学项目(15Z16)~~
作者(Author): 顾海勤,杨奕,张蔚,顾雪政,黄媛媛
DOI: 10.16652/j.issn.1004-373x.2018.17.025
参考文献(References):
- [1]赵云,刘世琦,李晓明,等.考虑电磁暂态过程的大功率异步电机全压起动方法[J].高电压技术,2013,39(2):464-473.ZHAO Yun,LIU Shiqi,LI Xiaoming,et al.Full voltage starting method of high-power asynchronous motor considering electromagnetic transient process[J].High voltage engineering,2013,39(2):464-473.
- [2]乔歆,李建东.三相感应电动机动态过程的仿真[J].防爆电机,2014,49(2):21-23.QIAO Xin,LI Jiandong.Simulation of dynamic process of threephase induction motor[J].Explosion-proof electric machine,2014,49(2):21-23.
- [3]陈振锋,钟彦儒,李洁,等.转子电阻变化对电力牵引感应电机起动转矩的影响[J].电工技术学报,2011,26(6):12-17.CHEN Zhenfeng,ZHONG Yanru,LI Jie,et al.Influence of rotor resistance variation on starting torque of induction motors in electric traction[J].Transactions of China electrotechnical society,2011,26(6):12-17.
- [4]汤蕴璆,张奕黄,范瑜.交流电机动态分析[M].北京:机械工业出版社,2004:57-58.TANG Yunqiu,ZHANG Yihuang,FAN Yu.Dynamic analysis of AC motor[M].Beijing:China Machine Press,2004:57-58.
- [5]蔡卓剑,赵荣祥,汪槱生,等.一种多相异步电机的通用数学模型[J].中国电机工程学报,2015,35(15):3929-3938.CAI Zhuojian,ZHAO Rongxiang,WANG Yousheng,et al.A general model of multiphase induction machines[J].Proceedings of the CSEE,2015,35(15):3929-3938.
- [6]田铭兴,励庆孚,王曙鸿.交流电机坐标变换理论的研究[J].西安交通大学学报,2002,36(6):568-571.TIAN Mingxing,LI Qingfu,WANG Shuhong.Research of the reference-frame transformation theory of AC machine[J].Journal of Xi'an Jiaotong University,2002,36(6):568-571.
- [7]高景德,张麟征,黄立培.异步电机起动过程的研究[J].电工技术杂志,1984(1):1-6.GAO Jingde,ZHANG Linzheng,HUANG Lipei.Study on the starting process of asynchronous motor[J].Electric engineering,1984(1):1-6.
- [8]靳桂洪.降压起动下异步电机起动参数的研究与分析[J].价值工程,2014,33(22):52-54.JIN Guihong.Research and analysis of starting parameters of induction motor when reduced-voltage starting[J].Value engineering,2014,33(22):52-54.
- [9]孙津济,房建成,王建民.异步电动机软起动过程中的振荡[J].电工技术学报,2007,22(2):15-21.SUN Jinji,FANG Jiancheng,WANG Jianmin.Oscillation in soft-starting of induction motor[J].Transactions of China electrotechnical society,2007,22(2):15-21.
- [10]耿士广,胡安,马伟明,等.矢量控制感应电机起动机理及直流预励磁研究[J].电工技术学报,2011,26(3):29-35.GENG Shiguang,HU An,MA Weiming,et al.Vector control start-up mechanism of inductor motor and research of DC preexcitation[J].Transactions of China electrotechnical society,2011,26(3):29-35.