Synchronization is the key part to ensure the high performance of grid-connected systems.
Phase-locked loop (PLL) is one of the most popular synchronizations due to its simple …

To investigate the harmonic characteristics of a photovoltaic (PV) system connected to the
weak grid, a passive impedance network is constructed using the impedance model of a PV …

In order to obtain impedance characteristics of the photovoltaic (PV) inverter and reveal
potential stability issues of the PV inverter connected to a weak grid, a complete impedance …

Islanding detection is the essential basis for the safety and protection of dc microgrids. Due
to the advantages of rapid detection speed and small nondetection zone, the positive …

Small-signal stability studies of ac microgrids have obtained abundant results, however, the
large-signal stability is still a great challenge and this topic is little studied. In this article, the …

Abstract The Community Micro-Grid (CMG) is a coordinated local grid area served by one or
more distribution substations supported by local renewable and other distributed energy …

This paper addresses the instabilities and dynamic interactions in a centralized vector-
controlled voltage-source converter interfacing a single-stage utility-scale photovoltaic (PV) …

Harnessing wind power through hydrogen offers a promising renewable energy solution.
Yet the intermittency of wind poses challenges in coordinating wind turbines and …

This paper presents a comprehensive nonlinear stability analysis and active compensation
method for a utility-scale single-stage grid-connected photovoltaic (PV) system. First, a …

This paper proposes a fuzzy-observer-based control algorithm to improve the efficiency of
traction dual rectifiers of high-speed trains and address the low-frequency oscillation issue …