电工技术学报  2016, Vol. 31 Issue (9): 156-161    DOI:
电机与电器 |
三相异步发电机带单相负载稳态运行的复合序网模型
吴新振, 张阳, 李嘉
青岛大学自动化与电气工程学院 青岛 266071
Compound Sequence Network Model for Steady State Analysis of Three-Phase Induction Generator Supplying Single-Phase Load
Wu Xinzhen, Zhang Yang, Li Jia
Automation and Electrical Engineering College Qingdao University Qingdao 266071 China
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摘要 以对称分量法为基础,结合发电机外电路的连接方式,推导出含有受控源的三相异步发电机单相稳态运行时的复合序网模型,并进一步得到发电机稳态运行时的正序阻抗方程。利用优化方法求解该方程,求解出给定电容组合下异步发电机稳态运行的频率标幺值及励磁电抗,进而得到负载电压。再以发电机负载电压为已知条件,通过迭代方法求出使电压稳定时的不同电容组合。计算值与实验值吻合度较高,验证了分析方法的准确性。
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吴新振
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关键词 异步发电机 单相负载 对称分量法 复合序网 稳态运行    
Abstract:A compound sequence network model with controlled sources is derived based on the symmetrical component method for the three-phase induction generator supplying the single-phase load.Then the corresponding positive sequence impedance equation in steady state operation is deduced.The impedance equation can be solved with optimization to get per unit frequencies and magnetizing reactances of the induction generator under given capacitor combinations,and further the load voltage.The capacitor combinations can then be obtained by the iterative algorithm for a given output voltage.The calculated results are in good agreement with the experiment results,which verify the accuracy of the proposed method.
Key wordsInduction generator    single-phase load    symmetrical component method    compound sequence network    state steady operation   
收稿日期: 2015-08-11      出版日期: 2016-07-07
PACS: TM343  
基金资助:国家自然科学基金面上资助项目(51377086)。
通讯作者: 吴新振 男,1964年生,博士,教授,博士生导师,研究方向为电机系统分析与控制。E-mail:wuxinzhen81@163.com(通信作者)   
作者简介: 张 阳 男,1990年生,硕士研究生,研究方向为异步发电机系统分析。E-mail:zhangyang_09@126.com
引用本文:   
吴新振, 张阳, 李嘉. 三相异步发电机带单相负载稳态运行的复合序网模型[J]. 电工技术学报, 2016, 31(9): 156-161. Wu Xinzhen, Zhang Yang, Li Jia. Compound Sequence Network Model for Steady State Analysis of Three-Phase Induction Generator Supplying Single-Phase Load. Transactions of China Electrotechnical Society, 2016, 31(9): 156-161.
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