Publication: Assessment of critical loads instigating voltage instability in transmission network using novel load tracing capable index LQP_LT and PSS/E tools validation
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Date
2016
Authors
Verayiah R.
Mohamed A.
Abidin I.Z.
Shareef H.
Journal Title
Journal ISSN
Volume Title
Publisher
Engineering and Scientific Research Groups
Abstract
Existing power systems are significantly susceptible to voltage instability problem since such systems are stressed with the huge power transfers across the grids. Various power tracing techniques have been developed but are limited to the application of transmission service pricing in a deregulated environment. This paper presents a novel approach which adopts the power tracing theory for voltage stability improvement via the development of reactive power tracing capable index, named as LQP_LT. The index is tested in IEEE 14 Test Bus System in various contingency states and comparison were made using the results obtained from the industrial graded software PSS/E in evaluating the critical transmission lines in severe contingencies. The LQP_LT index is found to be effective in determining the weak load buses in a transmission system which ultimately responsible to cause stressed lines and overall voltage instability in a system. � JES 2016.
Description
Reactive power; Software testing; Stability; Voltage control; Contingency state; Deregulated environments; Power system simulations; Power transfers; Transmission systems; Transmission-service pricing; Voltage instability; Voltage stability improvement; Electric power transmission