Abstract
This research aims at the special needs of phase locked loops (PLLs) for a typical application with FACTS devices. An adaptive PLL system comprising of three independent control units i.e. frequency, phase angle and voltage magnitude has been proposed. The output angle is used to generate the synchronised pulses for thyristors in FACTS devices which control the operation of these devices. The proposed controller reduces the phase and frequency error efficiently. The stability of the system is also increased even transient disturbances occurred in the system. In this paper, the design of proposed adaptive PLL is suggested using MATLAB, Simulink as a simulation tool. The total harmonics distortion are calculated in case a fault occurs in the system and compared with that of the system without any fault. The simulation results are simulated using MATLAB block-set and noticeable improvements are discussed.
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Jain, R., Siddiqui, A.S., Jamil, M. et al. A novel approach for phase locked loop modelling using MATLAB. Int J Syst Assur Eng Manag 4, 129–137 (2013). https://doi.org/10.1007/s13198-013-0163-8
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DOI: https://doi.org/10.1007/s13198-013-0163-8