Results 31 to 40 of about 35,795 (319)

An Improved Droop Control Strategy for Reactive Power Sharing in Islanded Microgrid [PDF]

open access: green, 2014
For microgrid in islanded operation, due to the effects of mismatched line impedance, the reactive power could not be shared accurately with the conventional droop method.
Hua Han   +4 more
openalex   +3 more sources

Modified virtual frequency‐voltage frame control scheme with zero sharing error for islanded AC microgrids

open access: yesIET Generation, Transmission & Distribution, 2023
The active power‐virtual frequency (P‐ω′) and reactive power‐virtual voltage (Q‐V′) droop control scheme has been suggested for coordinated control of distributed energy resources (DERs) in islanded microgrids.
Mehdi Baharizadeh   +2 more
doaj   +1 more source

A neural network-based adaptive power-sharing strategy for hybrid frame inverters in a microgrid

open access: yesFrontiers in Energy Research, 2023
The capacitive-coupling inverter (CCI) is more cost-effective in reactive power conditioning and enhanced reactive power regulation ability when compared with the inductive-coupling inverter (ICI).
Wenyang Deng   +4 more
doaj   +1 more source

Decentralized Optimal Servo Control System for Implementing Instantaneous Reactive Power Sharing in Microgrids [PDF]

open access: green, 2017
© 2010-2012 IEEE. Active power is dispatched among distributed generation (DG) units in microgrids (MG) by means of f/P droop control loop, which controls the frequency set-point of voltage source converter (VSI). Since the frequency is a global variable,
Mohsen Eskandari   +2 more
openalex   +3 more sources

Power Management Strategy for Photovoltaic based Distributed Generators Operating in Parallel

open access: yesTransactions on Environment and Electrical Engineering, 2016
In many countries, the grid-code or standards do not allow the Photovoltaic (PV) inverters to exchange reactive power with the grid. Recently, some countries have relaxed the standards.
Urvi Nikunj Patel, Hiren H Patel
doaj   +1 more source

A novel distributed event-triggered control for reactive power sharing based on hierarchical structure in islanded microgrid

open access: yesMeasurement + Control, 2021
Due to line impedance mismatches, nonlinear loads and other reasons, the traditional droop control algorithms have great limitations on the control of reactive power sharing.
Yingwen Long, Yanxiang Zhu, Wei Zhang
doaj   +1 more source

Control Strategy of Reactive Power Sharing in an Islanded Microgrids

open access: yesIraqi Journal for Electrical and Electronic Engineering, 2020
Precise power sharing considered is necessary for the effective operation of an Autonomous microgrid with droop controller especially when the total loads change periodically. In this paper, reactive power sharing control strategy that employs central controller is proposed to enhance the accuracy of fundamental reactive power sharing in an islanded ...
Ali Almousawi, Ammar Aldair
openaire   +1 more source

An accurate reactive power control study in virtual flux droop control

open access: yesOpen Physics, 2017
This paper investigates the problem of reactive power sharing based on virtual flux droop method. Firstly, flux droop control method is derived, where complicated multiple feedback loops and parameter regulation are avoided.
Wang Aimeng, Zhang Jia
doaj   +1 more source

Exponential-function-based droop control for islanded microgrids

open access: yesJournal of Modern Power Systems and Clean Energy, 2019
An exponential-function-based droop control strategy for the distributed energy resources (DERs) is proposed to reduce the reactive power-sharing deviation, limit the minimum value of frequency/voltage, whilst improving the utilization rate of renewable ...
Rui Wang   +3 more
doaj   +1 more source

Distributed Secondary Control of a Microgrid With A Generalized PI Finite-Time Controller

open access: yesIEEE Open Access Journal of Power and Energy, 2021
This paper proposes a novel distributed secondary controller for droop-controlled microgrids to regulate the frequency and voltage, and autonomously share the power mismatch.
Yuanshi Zhang   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy