Abstract
This paper uses a power quality disturbance detection method based on improved phase-locked loop (IPLL) system. The IPLL is a closed-loop phase feedback control system, which can track the instantaneous phase and instantaneous amplitude of the input fundamental in real-time. The generated output signal can be used for the detection of a variety of power quality disturbances. Moreover, the internal parameters of the detection system and the change of power system’s frequency are robust. The use of the MATLAB/Simulink can study power quality problems, such as harmonics, frequency deviation, voltage swells, voltage interruptions, transient pulse, transient oscillation and voltage gap. Simulation results showed that the detection method had better accuracy and instantaneity.
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© 2014 Springer International Publishing Switzerland
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Zhang, Z., Zhang, X. (2014). Research on the Detection Method of Power Quality Based on Phase-Locked Loop. In: Wang, W. (eds) Mechatronics and Automatic Control Systems. Lecture Notes in Electrical Engineering, vol 237. Springer, Cham. https://doi.org/10.1007/978-3-319-01273-5_33
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DOI: https://doi.org/10.1007/978-3-319-01273-5_33
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