Nowadays, the main grid is facing several challenges related to the integration of renewable
energy resources, deployment of grid-level energy storage devices, deployment of new …

Several factors affect existing electric power systems and negatively impact power quality
(PQ): the high penetration of renewable and distributed sources that are based on power …

The energy produced by renewable energy systems must fulfill quality requirements as
defined in the respective standards and directives. Improvement of the quality could be …

This paper provides an improved multipoint interpolated digital Fourier transform (DFT)
method for the estimation of sine waves in short records, in the presence of DC components …

The paper deals with frequency estimation methods of sine-wave signals for a few signal
cycles and consists of two parts. The first part contains a short overview where analytical …

Fast and accurate grid signal frequency estimation is a very important issue in the control of
renewable energy systems. Important factors that influence the estimation accuracy include …

With the increasing penetration of new generation information technologies and new
concepts in energy system, such as Internet of Things (IoT), big data analytics, artificial …

Conventional loss of excitation (LOE) detection methods for synchronous generators may
misoperate during power swings. In this paper, a novel method based on measured slip …

This article presents the use of a sensor with fiber Bragg grating along with an interrogation
system used for monitoring the overhead lines' wire elongation. The possible interrogation …

The harmonic estimator design problem is more meaningful in the emerging power systems
as quality of power is closely interlinked with consumer satisfaction and electricity price. For …