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A Research of Character and Modeling Method for Impact Loads in Power Systems

Author: PingNing
Tutor: HeRenMu
School: North China Electric Power University (Beijing)
Course: Proceedings of the
Keywords: Load modeling impact load load character method of modeling
CLC: TM714
Type: Master's thesis
Year: 2009
Downloads: 213
Quote: 0
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Abstract


The accuracy of the load model has great effects on power system analysis and control.However,load modeling is considered to be a well-known difficult problem and unsolved by now.On the other hand,The impact loads have a larger proportion in some power grid,and the influence of impact loads on power system can not be ignored any more.Models for the impact loads play an extremely important role in power systems.The course of production of some typical impact loads such as Fe-Si electric arc furnace(EAF) and electrolytic aluminum is introduced in this paper.According to the production course,the influence of impact loads on power system is analyzed.The root cause of causing the difference of impact load modeling and general load modeling is pointed out.Impact load modeling strategy and the starting criterion of load character storage instrument are proposed in this paper.The paper gives an incisive analysis of measured data,and the relation between the data patterns and the course of production is also analyzed.The load modeling by the research group presented is adopted and the validity of the model is proved by simulation.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Theory and Analysis > Load analysis
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