Abstract
A novel fractional order proportional-integralderivative (FOPID) controller is proposed in this paper for automatic generation control (AGC) of a two area power system. Sources like hydro, thermal & gas system with Redox flow batteries (RFB) are used for two area interconnected power systems. RFB is chosen to damp out the oscillations in case sudden disturbances occurs in power system. The optimal gains and the fractional order parameters such as integrator order (k) and differentiator order of the projected FOPID controller are optimized employing a recently developed Salp Swarm Algorithm (SSA) using integral time absolute error as objective function. The outcomes are also compared with recently used optimisation techniques such as whale optimization algorithm (WOA), particle swarm optimisation (PSO) and teaching learning based optimisation (TLBO). The performance of the projected system and robustness of the projected controller is examined by randomly varying loading pattern in area-1.
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