Microgrid power quality enhancement using a three-phase four-wire grid-interfacing compensator

Y Li, DM Vilathgamuwa, PC Loh - IEEE transactions on industry …, 2005 - ieeexplore.ieee.org
This paper presents a three-phase four-wire grid-interfacing power quality compensator for
microgrid applications. The compensator is proposed for use with each individual distributed …

A grid-interfacing power quality compensator for three-phase three-wire microgrid applications

YW Li, DM Vilathgamuwa… - IEEE transactions on …, 2006 - ieeexplore.ieee.org
This paper proposes a grid-interfacing power quality compensator for three-phase three-
wire microgrid applications with consideration of both the power quality of the microgrid and …

Protection of microgrids during utility voltage sags

DM Vilathgamuwa, PC Loh, Y Li - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
Microgrids are systems with clusters of microgenerators, which are installed for distributed
power generation. When interfaced to the utility grid, microgrids are exposed to common …

A dual-functional medium voltage level DVR to limit downstream fault currents

YW Li, DM Vilathgamuwa, PC Loh… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
The dynamic voltage restorer (DVR) is a modern custom power device used in power
distribution networks to protect consumers from sudden sags (and swells) in grid voltage …

Transient response of three phase variable inductance realized by variable active-passive reactance (VAPAR)

H Funato, T Ishikawa… - APEC 2001. Sixteenth …, 2001 - ieeexplore.ieee.org
Inductance has a particularly important role in power circuits. For example, the power flow is
essentially restricted by a line inductance. The authors have proposed the variable active …

Stability analysis of power circuit comprising virtual inductance

O Dranga, H Funato, S Ogasawara… - … on Circuits and …, 2004 - ieeexplore.ieee.org
The concept of a variable active-passive reactance (VAPAR), which can generate a virtual
variable inductance in power circuits, including negative values, has already been …

Investigation of microgrid instability caused by time delay

N Aghanoori, MAS Masoum, S Islam… - … on Electrical and …, 2017 - ieeexplore.ieee.org
This paper investigates the impact of time delay in the control of a grid-connected microgrid
with renewable energy resources. The considered microgrid has a critical load that needs to …

Development of power conditioners and controllers for Microgrids

YW Li - 2006 - dr.ntu.edu.sg
Microgrid is a cluster of loads and distributed generation (DG) systems operating together
within a certain local area. Being a systematic organization of DG systems, the microgrid has …

Investigating stability of power configuration including virtual negative inductance

O Dranga, H Funato, S Ogasawara… - 2004 IEEE 35th Annual …, 2004 - ieeexplore.ieee.org
Since power circuits are significantly influenced by inductances, a variable active-passive
reactance (VAPAR) has previously been introduced in order to generate a virtual negative …

Introdução às técnicas de síntese e aplicações de indutâncias negativas

TE Nuñez-Zuñiga, JA Pomilio - Eletrônica de Potência, 2004 - journal.sobraep.org.br
Este trabalho apresenta métodos para a síntese de indutâncias negativas, bem como
algumas aplicações e estudos de estabilidade. Este comportamento não-natural é …