Journal of Guangxi Normal University(Natural Science Edition) ›› 2018, Vol. 36 ›› Issue (2): 50-55.doi: 10.16088/j.issn.1001-6600.2018.02.007

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Stability Analysis of Inductive Load of Distributed Generation System

MEI Chuncao, WEI Duqu*, LUO Xiaoshu   

  1. College of Electronic Engineering,Guangxi Normal University,Guilin Guangxi 541004,China
  • Received:2017-06-29 Online:2018-05-10 Published:2018-07-18

Abstract: The stability of inductive load in distributed generation system is studied. Firstly, the novel mathematical model with a coupled system is established, where the permanent magnet synchronous motor (PMSM) is regarded as a practical inductive load and the second order Kuramoto like model is considered as a node of distributed generation system. Secondly, the effect of the stability of PMSM caused by distributed generation system and the external coupling coefficient is analyzed. Finally, the results of the numerical simulation show that the value of external coupling coefficient can make the unstable chaotic PMSM transform into a stable balance point, and the larger coupling coefficient is, the faster level of stability can PMSM achieve. Hence, the results of the experiment has great significance on ensuring the stable operation of the PMSM.

Key words: permanent magnet synchronous motor, distributed generation system, stability analysis, second order Kuramoto model

CLC Number: 

  • TM712
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