全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于Lyapunov稳定性理论的自励异步发电机建压过程分析

, PP. 167-173

Keywords: 自励异步发电机,Lyapunov稳定性,暂态平衡点,极限环,临界解析式

Full-Text   Cite this paper   Add to My Lib

Abstract:

基于两相静止坐标系下的空载自励异步发电机暂态等效电路及其数学模型,提出一种应用Lyapunov稳定性理论的整体性分析方法。通过对其初始暂态的分析,确定出使自励建压过程发生的临界条件为极限环。对极限环分析计算,得到定子频率解析解、励磁电容临界值和转速临界值的解析解,由此可判定发电机能否自励建压。经与其他算法的比较,计算结果一致且更精确,表明其正确性和实用性。将分析方法与自励建压参数临界解析式结合分析发电机自励建压过程,实验结果与理论分析吻合,进一步验证了分析方法的正确性和有效性。

References

[1]  姚文熙, 吕征宇. 基于改进闭环磁链观测器的感应电机无速度矢量控制[J]. 电工技术学报, 2013, 28(3): 148-153. Lu Wenbin, Yao Wenxi, Lü Zhengyu. Speed sensorless vector control with improved closed-loop flux for induction machines[J]. Transactions of China Electro- technical Society, 2013, 28(3): 148-153.
[2]  胡家兵. 双馈异步风力发电机并网运行中的几个热点问题[J]. 中国电机工程学报, 2012, 32(27): 1-15. He Yikang, Hu Jiabing. Several hot-spot issues associated with the grid-connected operations of wind-turbine driven doubly fed induction generators[J]. Proceedings of the CSEE, 2012, 32(27): 1-15.
[3]  孟岩峰, 龚文明, 等. 非理想电网条件下双馈式风电机组的运行控制策略[J]. 电工技术学报, 2013, 28(5): 99-104. Hu Shuju, Meng Yanfeng, Gong Wenming, et al. Operation control strategy of DFIG wind turbine under non-ideal grid conditions[J]. Transactions of China Electrotechnical Society, 2013, 28(5): 99-104.
[4]  P K, Singh B, Murthy S S, et al. Isolated wind- hydro hybrid system using cage generators and battery storage[J]. IEEE Transactions on Industrial Electronics, 2011, 58(4): 1141-1153.
[5]  R C. Three-phase self-excited induction generators: An Overview[J]. IEEE Transactions on Energy Conver- sion, 2005, 20(2): 292-299.
[6]  T F. Capacitance requirements of self-excited induction generators[J]. IEEE Transactions on Energy Conversion, 1993, 8(2): 304-311.
[7]  王祥珩. 异步发电机空载建压电容值的确定方法[J]. 清华大学学报, 2004, 44(7): 893-896. Wu Xinzhen, Wang Xiangheng. Self-excited capacitance or induction generator for no load operation[J]. Journal of Tsinghua University, 2004, 44(7): 893-896.
[8]  M H. A novel method of evaluating performance characteristics of a self-excited induction generator[J]. IEEE Transactions on Energy Conversion, 2009, 24(2): 358-365.
[9]  L, Su J Y. Dynamic performance of an isolated self-excited induction generator under various loading conditions[J]. IEEE Transactions on Energy Conversion, 1999, 14(1): 93-100.
[10]  沈沉, 刘锋, 等. 基于轨迹特征根的暂态稳定实用判据[J]. 电力系统自动化, 2012, 36(16): 14-19. Tan Wei, Shen Chen, Liu Feng, et al. A practical criterion for trajectory eigenvalues based transient stability analysis[J]. Automation of Electric Power Systems, 2012, 36(16): 14-19
[11]  郝宽胜, 兰勇. 以特征值为判据的异步发电机自激建压过程分析[J]. 中国电机工程学报, 2008, 28(8): 111-116. Wu Xinzhen, Hao Kuansheng, Lan Yong. Analysis of voltage build-up for self-excited induction generator based on eigenvalues[J]. Proceedings of the CSEE, 2008, 28(8): 111-116.
[12]  张智晟, 杨乐梅, 等. 异步发电机自激建压临界值的计算[J]. 电网技术, 2008, 32(23): 24-28. Wu Xinzhen, Zhang Zhisheng, Yang Lemei, et al. An approach to calculate critical values of self-excited voltage build-up for induction generators[J]. Power System Technology, 2008, 32(23): 24-28.
[13]  M, Kiselychnyk O. The complex hurwitz test for the analysis of spontaneous self-excitation in induction generators[J]. IEEE Transactions on Automatic Control, 2013, 58(2): 449-454.
[14]  P C, Wasynczuk O, Sudhoff S D. Analysis of electric machinery and drive systems[M]. New York: IEEE Press, 2002.
[15]  H K. Nonlinear systems[M]. 3rd ed. NJ: Upper Saddle River, Prentice-Hall, 2002.
[16]  马伟明, 李卫超. 矢量控制感应电动机 H ∞ 磁通观测器研究[J]. 电工技术学报, 2006, 21(8): 31-35. Nie Ziling, Ma Weiming, Li Weichao. H ∞ flucx observer of induction motor for vector control[J]. Transactions of China Electrotechnical Society, 2006, 21(8): 31-35.
[17]  O. Minimum airgap flux linkage requirement for self-excitation in stand-alone induction generators[J]. IEEE Transactions on Energy Conversion, 1995, 10(3): 484-492.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133