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Optimization of PID - Capacitive Energy Storage for Load Frequency Control in Two Area Interconnected Power System Using Quantum Behaved PSO
Saputra P.P.S.
Aip Conference Proceedings
Abstract
This study presents the solution to the frequency oscillation problem in Two area interconnected power system using the PSO and Quantum Behaved PSO (QPSO) methods. These two methods are used to tune the parameters on the PID and CES (Capacitive Energy Storage) in Two area interconnected power system. The simulation is done by comparing the system frequency response with PID, system frequency response with PID-CES with manual parameter tuning, and system frequency response with PID-CES optimized using PSO and QPSO. The simulation result shows that using the PSO and QPSO applications to set parameters on the PID-CES can reduce overshoot and accelerate the settling time of frequency and power oscillations in Two area interconnected power system. Optimization with PSO resulted in an overshoot of -0.00183 p.u. in Area 1, -0.00053 p.u. in Area 2 and -0.00092 p.u. in Two area Meanwhile, optimization with QPSO results in an overshoot of -0.00207 p.u. in Area 1, -0.00088 p.u. in Area 2 and -0.00165 p.u. in Two area. The final results show that in case of Two area power system, PSO can reduce oscillations better than QPSO, but it produces ripple. Meanwhile, the QPSO optimized system produces smoother and has no ripple responses.