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Voltage Stability Analysis with Equal Load and Proportional Load Increment in a Multibus Power System

S.D.Naik1M.K.Khedkar2S.S.Bhat3

1. RCOEM2. SGBA,Amravati University3. V.N.I.T

摘要:In heavily loaded systems, voltage stability limit is usually dominant and voltage instability is usually observed following large disturbance. In the deregulated environment the transmission systems are operating under more stressed condition due to increased transaction level associated with open access.This causes voltage instability. In recent years, abnormal voltage instability has occurred in several countries viz.France, Japan, USA. Sufficient attention to voltage stability in deregulated system is not paid as compared to angle stability. More attention is thus required to be paid to keep voltage profile and hold the voltage stability under control. There are various methods for voltage stability analysis in the literature. In this paper simple static voltage stability analysis is carried out for a multibus power system (26 Bus System) using proportional load increment and equal load increment on selected load buses. It is necessary to find the weak buses those are prone to voltage instability due to the required level of power transfer. Using modal analysis bus participation factors are found to identify weak buses. The effect of shunt compensation on minimum eigen value of Jacobian matrix, maximum system loadability and improvement of bus voltage profile is studied.
会议名称:

2012 2nd International Conference on Power and Energy Systems(ICPES 2012)

会议时间:

2012-11-17

会议地点:

Pune,India

  • 专辑:

    理工C(机电航空交通水利建筑能源)

  • 专题:

    电力工业

  • 分类号:

    TM714.2

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