American Journal of Electrical and Electronic Engineering
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American Journal of Electrical and Electronic Engineering. 2017, 5(1), 28-33
DOI: 10.12691/ajeee-5-1-5
Open AccessArticle

Effective Micro Grid Stability Under Excitation Limiters in Islanded and Connected Modes

Sajad Tashakori1, Amir Tavakoli2 and Farzad Mirzaei1,

1Electrical Department, Shiraz University of Technology, Shiraz, Iran

2Mechanical Department, Islamic Azad University of Shiraz, Shiraz, Iran

Pub. Date: February 20, 2017

Cite this paper:
Sajad Tashakori, Amir Tavakoli and Farzad Mirzaei. Effective Micro Grid Stability Under Excitation Limiters in Islanded and Connected Modes. American Journal of Electrical and Electronic Engineering. 2017; 5(1):28-33. doi: 10.12691/ajeee-5-1-5


In this paper the authors tried to design a under excitation limiter and a power system stabilizer which can operate without any kind of interaction. The under excitation limiter (UEL) is intended to prevent reduction of generator excitation to a level where the steady state stability limit or the stator core end-region heating limit is exceeded. The power system stabilizer (PSS) uses auxiliary stabilizing signals to control the excitation system so as to improve power system dynamic performance.

power system operation stability under excitation limiter

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