• performance comparison of several classical controllers in agc for multi-area interconnected thermal system

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1393/01/01
    • تاریخ انتشار در تی پی بین: 1393/01/01
    • تعداد بازدید: 579
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     this paper presents automatic generation control (agc) of interconnected two equal area, three and five unequal-areas thermal systems provided with single reheat turbine and generation rate constraints of 3% per minute in each area. a maiden attempt is made to apply integral plus double derivative (idd) controller in agc. controller gains in the two-area system are optimized using classical approach whereas in the three and five area systems controller gains and governor speed regulation parameters (ri) are simultaneously optimized by using a more recent and powerful evolutionary computational technique called bacterial foraging (bf) technique. investigations reveal on comparison that integral (i), proportional–integral (pi), integral–derivative (id), or proportional–integral–derivative (pid) controllers all provide more or less same response where as integral–double derivative (idd) controller provides much better response. sensitivity analysis reveals the robustness of the optimized idd controller gains and ri of the five area system to wide changes in inertia constant (h), reheat time constant (tr), reheat coefficient (kr), system loading condition and size and position of step-load perturbation.

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