A Novel Method for Estimation of The Fundamental Parameters of Distorted Single Phase Signals
محورهای موضوعی : مهندسی هوشمند برق
Mohammad Zarei
1
(Department of Electrical Engineering, Arak University of Technology, Arak, Iran)
Mohammad Karimadini
2
(Department of Electrical Engineering, Arak University of Technology, Arak, Iran)
Mohsen Nadjafi
3
(Department of Electrical Engineering, Arak University of Technology, Arak, Iran)
Abolfazl Salami
4
(Department of Electrical Engineering, Arak University of Technology, Arak, Iran)
کلید واژه: Disturbance, Phase-Locked Loop (PLL), Frequency Estimation, Amplitude Estimation, Second-Order Generalized Integrator (SOGI), DC-offset,
چکیده مقاله :
This paper proposes a new method for parameter estimation of distorted single phase signals, through an improved demodulation-based phase tracking incorporated with a frequency adaptation mechanism. The simulation results demonstrate the superiority of the proposed method compared to the conventional SOGI (Second-Order Generalized Integrator)-based approach, in spite of the dc-offset and harmonic distortions.