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Effect of Exeitation Controller and Load Uncertainty on the Simulation of Power System

Author: ZhaoZuo
Tutor: MaJin; MengHuaWei
School: North China Electric Power University
Course: Electrical Engineering
Keywords: power system simulation Stochastic Response Surface Method loadmodel generator model excitation system uncertainty analysis
CLC: TM743
Type: Master's thesis
Year: 2012
Downloads: 61
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The accuracy of models and parameters is the basis of simulation reliability which is directly related to safe and stable operation of power system. With features of randomness and dispersity in practice, load model brings lots of uncertainties into real system, such as approximation, algorithm error etc. At the same time, the generator model and parameters of excitation controller have a great effect on the transient stability. Because Stochastic Response Surface Method (SRSM) shows better curve fitting than recently proposed method called Probabilistic Collocation Method (PCM), this dissertation applies SRSM to analyze the effect of interaction between excitation controller and load on uncertainty of the power system dynamic response. The results of uncertainty analysis show that different system operating conditions, the model of generator and excitation system in the simulation will have a great effect on simulation results. This dissertation also initially discusses how to use SRSM in the uncertainty analysis of small disturbance response, which provides references to the further study of the uncertainty in power system.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system simulation and calculation > Modeling and Simulation
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