Vol 7, No 1 (2016) > Electrical, Electronics and Computer Engineering >

Disparity Line Utilization Factor and Galaxy-based Search Algorithm for Advanced Congestion Management in Power Systems

Akanksha Mishra, Venkata Nagesh Kumar Gundavarapu

 

Abstract: In this paper a new
approach has been used for finding the optimal location for placing the
Interline Power Flow Controller (IPFC). 
The IPFC is used to reduce the system loss and power flow in the heavily
loaded lines and improve stability of the system. Here a new method, the
Disparity Line Utilization Factor (DLUF) is used for determining the optimal
placement of the (IPFC) to control the congestion in transmission lines. The
DLUF ranks the transmission lines in terms of line congestion. The IPFC is
accordingly placed in between the most congested and the least congested line
connected to the same bus. The Galaxy-Based Search Algorithm (GBSA) is used for
the optimal sizing of the IPFC. The results obtained by the proposed algorithm
have been compared with that of the Genetic Algorithm (GA) to ascertain the
effectiveness of the proposed method on the power system performance. The
proposed method is tested on an IEEE 30 bus test system. It has been shown that
by using the GBSA, the tuning of the IPFC further reduces congestion in the
system by about 15%.
Keywords: Congestion; Galaxy-based search algorithm; Interline power flow controller; Line utilization factor; Optimal placement; Optimal tuning

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