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A Study on the Optimal Routing Technique for the Improvement of Voltage Stability in Radial Power System  

Kim, Byung-Seop (建國大 工大 電氣工學科)
Shin, Joong-Rin (建國大 工大 電氣工學科)
Park, Jong-Bae (建國大 工大 電氣工學科)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers A / v.51, no.11, 2002 , pp. 568-576 More about this Journal
Abstract
This paper presents a new algorithm for the enhancement of voltage stability by optimal routing (OR) technique. A new voltage stability index (VSI) for optimal routing is also proposed by using theories of critical transmission path based on voltage phasor approach and equivalent impedance method. Furthermore, the proposed algorithm automatically detect the critical transmission path to critical transmission path to critical load which are faced to voltage collapse due to additional real or reactive loading. We also adopt a improved branch exchange (IBE) algorithm based on a tie branch power (TBP) flow equation to apply the OR technique. The proposed IBE algorithm for the VSI maximizing can effectively search the optimal topological structures of distribution feeders by changing the open/closed states of the sectionalizing and tie switches. The proposed algorithm has been evaluated with the practical IEEE 32, 69 bus test systems and KEPCO 148 bus test system to show favorable performance.
Keywords
Voltage stability index; Improved branch exchange; Optimal routing; Tie branch power equation;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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