Hybrid KHSO Based Optimal Location and Capacity of UPFC for Enhancing the Stability of Power System

Year 2018, Volume: 5 Issue: 4, 141 - 157, 30.12.2018

Gokulakrishnan Govindaraghavan Ramesh Varadarajan

Abstract

Recently
power losses and voltage volatility issues are the real issues in power system
and production cost likewise goes high. Certainties idea made a revolution in
power system which conquers every one of the issues. Numerous strategies are
utilized to optimize the area of FACTS gadgets. Among the few FACTS
controllers, the paper introduces the Unified Power Flow Controller (UPFC) to
enhance the improvement of voltage stability and decreases the power loss.
Here, the hybrid model (KHSO) i.e. Krill Herd Optimization (KHO) and Particle
Swarm Optimization algorithm (PSO) are proposed for enhancing the voltage
dependability of the power transmission systems. The hybrid construct approach
is connected in light of IEEE 30 BUS System. From the power stream examination,
bus voltages, active power, reactive power, cost and power loss of the
transmission systems are resolved. The voltages of the buses with and without
UPFC are likewise revealed. It is evidently apparent from the outcomes that
viable position of UPFC in appropriate areas can fundamentally enhance system
execution. The outcome demonstrates that voltage profile is improved at buses
and power losses are impressively diminished minimization of power losses and
minimization of generation cost. Accordingly,
it demonstrates that the productivity of KHSO is superior to the conventional
technique (Firefly and GA).

Keywords

FACT, UPFC, hybrid algorithm, cost, voltage stability

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