Research on frequency parameter detection of frequency shifted track circuit based on nonlinear algorithm

H ** and testing frequency-adaptive PMU algorithms with wider
linearity range than specified in IEEE Std C37. 118-1. This goal is achieved by means of …

Real-time power system frequency and phasors estimation using recursive wavelet transform

J Ren, M Kezunovic - IEEE Transactions on Power Delivery, 2011 - ieeexplore.ieee.org
Phasor frequency, magnitude, and angle describing a sinusoidal signal are widely used as
critical variables in algorithms and performance indices in many power system applications …

Measurement of harmonics/inter-harmonics of time-varying frequencies

M Karimi-Ghartemani, MR Iravani - IEEE Transactions on Power …, 2005 - ieeexplore.ieee.org
A novel method of extraction and measurement of individual harmonics of a signal with time-
varying frequency is presented. The proposed method is based on a nonlinear, adaptive …

Widely linear adaptive frequency estimation of unbalanced three-phase power systems

Y **a, DP Mandic - IEEE Transactions on Instrumentation and …, 2011 - ieeexplore.ieee.org
A novel technique for online estimation of the fundamental frequency of unbalanced three-
phase power systems is proposed. Based on Clarke's transformation and widely linear …

Frequency estimation by demodulation of two complex signals

M Akke - IEEE Transactions on Power Delivery, 1997 - ieeexplore.ieee.org
This paper presents a method for frequency estimation in a power system by demodulation
of two complex signals. In power system analysis, the/spl alpha//spl beta/-transform is used …