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Optimal location of SVC for improvement in voltage stability of a power system under normal and contingency condition

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Abstract

Voltage instability is a major problem in power system it seldom results in voltage collapse and blackout. FACTS devices can be used to maintain voltage stability by controlling active and reactive power and increase voltage stability margin. Optimal location of these devices is also an important issue. In this paper static var compensator (SVC) is used to improve voltage stability. Optimal location of SVC is found by continuation power flow and by finding fast voltage stability index. SVC is placed at optimal location and its effect on improving voltage stability, loadability limit and reducing power losses have been studied under normal as well as contingency conditions. Two types of contingencies are considered, transmission line (N − 1) contingency and generator outage contingency. The proposed work is tested in IEEE 14 bus test system.

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Authors and Affiliations

  1. Amity University, Noida, Uttar Pradesh, India

    Pallavi Choudekar & S. K. Sinha

  2. Jamia Millia Islamia, New Delhi, India

    Anwar Siddiqui

Authors
  1. Pallavi Choudekar
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  2. S. K. Sinha
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  3. Anwar Siddiqui
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Correspondence to Pallavi Choudekar.

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Choudekar, P., Sinha, S.K. & Siddiqui, A. Optimal location of SVC for improvement in voltage stability of a power system under normal and contingency condition. Int J Syst Assur Eng Manag 8 (Suppl 2), 1312–1318 (2017). https://doi.org/10.1007/s13198-017-0601-0

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  • DOI: https://doi.org/10.1007/s13198-017-0601-0

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