Infinity-Norm of Impedance-Based Stability Criterion for Three-Phase AC Distributed Power Systems With Constant Power Loads
Infinity-Norm of Impedance-Based Stability Criterion for Three-Phase AC Distributed Power Systems With Constant Power Loads
复制标题
DOI：
10.1109/tpel.2014.2331419
复制
发表时间：
2015-06
影响因子：
6.7
通讯作者：
Zeng Liu;Jinjun Liu;Weihan Bao;Yalin Zhao
中科院分区：
文献类型：
--
作者：
Zeng Liu;Jinjun Liu;Weihan Bao;Yalin Zhao
提出了一种三相交流分布式电力系统稳定判据。为了预测三相交流DPS的稳定性，一般研究同步坐标系下的电源输出阻抗和负载输入导纳，但在判据中创新性地采用了阻抗和导纳的无穷大范数，提高了计算的复杂性和保守性。同时，对该准则的计算复杂度和保守性进行了分析，并与现有准则进行了比较。在此基础上，对由LC滤波器和三相升压整流器组成的三相交流DPS的终端特性进行了全面的建模，包括电源输出阻抗和负载输入导纳。最后，通过实验验证了该判据的有效性。
This paper presents a stability criterion for three-phase AC distributed power system (DPS). While the source output impedance and the load input admittance under synchronous reference frame are generally investigated to predict the stability of the three-phase AC DPS, the infinity-norms of the impedance and admittance are innovatively adopted in the proposed criterion to improve the computational complexity and the conservatism. Meanwhile, the computational complexity and the conservatism of the proposed criterion are analyzed and compared with existing ones. Furthermore, the terminal characteristics of the studied three-phase AC DPS composed of an LC filter and a three-phase boost rectifier, which cover the source output impedance and the load input admittance, are comprehensively modeled. Finally, the effectiveness of the proposed criterion is validated by experimental results.