Impact of SVC and DG on Voltage Stability Constrained Available Transfer Capability

  ijett-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
  
© 2013 by IJETT Journal
Volume-4 Issue-7                      
Year of Publication : 2013
Authors : A.N.Venkateswarlu , Dr.S.S.Tulasi Ram , Dr.P.Sangameswara Raju

MLA 

A.N.Venkateswarlu , Dr.S.S.Tulasi Ram , Dr.P.Sangameswara Raju. "Impact of SVC and DG on Voltage Stability Constrained Available Transfer Capability". International Journal of Engineering Trends and Technology (IJETT). V4(7):3040-3044 Jul 2013. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group.

Abstract

The transmission system loadability is mainly dependent on reactive power support in the system. The imbalance between reac tive power generation and consumption in the system causes to voltage drooping in the entire system. This phenomenon will further increase under heavily loaded conditions as well as contingency conditions. In order to avoid blackouts due to lack of reactiv e power support, most of the current power systems are integrating the emerging technologies like Flexible Ac Transmission Systems (FACTS) devices and Distributed Generation (DG) systems. This paper is addressing the impact of Static Var Compensators (SVC) and Distributed Generation (DG) on Available Transfer Capability (ATC). Using repeated power flow (RPF), the Voltage Stability Constrained Available Transfer Capability (VSATC) has been improved . The case studies are performed on IEEE – 14 bus test system a nd the results are validating the proposed approach for stability margin enhancement in real time applications .

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Keywords
Voltage Stability, VSATC, FACTS, DG, RP