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1681 / 2020-09-29 17:52:02
Damping Performance Analysis of Power System Electromechanical Oscillations Considering the Proportion and Position of PV Generations
Photovoltaic permeability; Oscillation suppression; Electromechanical oscillation; Proportion and Position
Power System and new energy
终稿
Zheng Huiping / State Grid Shanxi Electric Power Company Power Research Institute
Zhen Tang / State Grid Shanxi Electric Power Company Power Research Institute
Jie Hao / State Grid Shanxi Electric Power Company Power Research Institute
hua chai / School of Electric power and Architecture Shanxi University
Yi Zhang / School of Electric Power Engineering Nanjing Institute of Technology
Mingxian Li / College of Electrical and Power Engineering China University of Mining and Technology
Zheng Huiping / State Grid Shanxi Electric Power Company Power Research Institute
With the frequent occurrence of electromechanical oscillation in the power systems, the fast response characteristics of the photovoltaic (PV) power generation system are used to actively damp the electromechanical oscillation in the power system. The proportion and position of PV generations in the system are usually different, therefore, the dynamic process of PV damping the grid electromechanical oscillation will also be changed.  This paper divides the conventional system into two parts: the power system and the infinite power grid, the steady-state output of the PV generation system is equivalent to the active output current Id0 and the reactive output current Iq0. The analysis conclusions of these two parts shows that: the inertia level, synchronization and damping effect of the conventional system will increase with the increase of Id0, and first decrease with the increase of Iq0, then increase rapidly, and then decrease. Moreover, the closer the PV module to the electromechanical oscillation source, the better the oscillation damping effect. Finally, this paper verifies the conclusion correctness through MATLAB/Simulink.

 
重要日期

  • 会议日期

    11月02日

    2020

    至

    11月04日

    2020

  • 10月27日 2020

    初稿截稿日期

  • 11月03日 2020

    报告提交截止日期

  • 11月04日 2020

    注册截止日期

  • 11月17日 2020

    终稿截稿日期

主办单位
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
承办单位
Huazhong University of Science and Technology
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