Abstract
In this study, based on the fuzzy logic type-2 (T2FL) technique, a new load frequency control (LFC) for multi-area-power systems is proposed. The target of the T2FL controller is to get back the frequency to its fundamental value in the shortest potential time. The control structure ensures that the frequency deviation (Delta f), output power generator deviation (Delta Pg), and tie-line power deviation (Delta ti) between areas are kept within certain limits. The prominent feature of the suggested controller is not sensitive to significant load changes even in the presence of nonlinearity. Thus, the problem of traditional controllers that do not provide suitable control performance under the above-mentioned non-linear conditions has been overcome. LFCs and their controllers are designed using simulation in Mat lab. Simulation results prove of the suggested PID-T2FL controller is superior in performance compared with both the PID controller and PID-gain tuning by a type-l fuzzy controller (PID-T1FL in reducing settling time and peak overshoot to half approximately and gave best response in the abrupt load disturbance.
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