Abstract
The low-frequency system oscillation is inherently present in a power system network. This oscillation arises due to slow and gradual changes of load and power demand. The persistence of these oscillations may seize power flow and decreases the terminal voltage in the synchronous generator of the power systems. The required terminal voltage is improved by strengthening the field voltage in AVR system of the exciter in the synchronous generator by minimizing the oscillations. This paper presents the control design of AVR in SMIB power system using an integral type LQR control technique with adjusting the state weighting matrix and control the weighting matrix simultaneously. The terminal voltage of the generator using integral type LQR technique has been compared with Z-N tuned PID and DE optimized PID controller in AVR system. This paperwork is carried out in MATLAB platform.
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Pattnaik, A., Rout, B., Patra, A.K. (2020). Comparative Study of System Performances Using Integral Type LQR with DE and Z-N Optimized PID Controller in AVR System. In: Pradhan, G., Morris, S., Nayak, N. (eds) Advances in Electrical Control and Signal Systems. Lecture Notes in Electrical Engineering, vol 665. Springer, Singapore. https://doi.org/10.1007/978-981-15-5262-5_25
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DOI: https://doi.org/10.1007/978-981-15-5262-5_25
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