Results 261 to 270 of about 2,636 (303)

Decentralized Method for Islanded Operation Mode

2021
In series-type microgrid, the synchronization and power balance of distributed generators become two new issues that need to be addressed urgently. To that end, an f − P∕Q droop control is firstly introduced in this chapter, which is capable to achieve power balance under both resistive-inductive and resistive-capacitive loads autonomously.
Sun, Yao, Hou, Xiaochao, Lu, Jinghang, Liu, Zhangjie, Su, Mei, M. Guerrero, Joseph; id_orcid 0000-0001-5236-4592   +5 more
openaire   +1 more source

Safe transition from connection mode to islanding mode in Microgrids

2016 24th Iranian Conference on Electrical Engineering (ICEE), 2016
The lack of spinning reserves makes MGs unable to rapidly follow load changes resulting in unbalancing between generation and consumption which in turn causes voltage and frequency deviation from permitted ranges and even to instability. The current paper addresses this stability problem by presenting a novel control system for power converter-based ...
Moradi, Mohammad Hassan, Eskandari, Mohsen, SIANO, PIERLUIGI   +2 more
openaire   +1 more source

Seamless control mode transfer of a PCS for islanding mode operation

8th International Conference on Power Electronics - ECCE Asia, 2011
This paper describes a new method for the seamless transfer between voltage and current control modes of a PCS in a microgrid. Usually, microgrid is connected to a utility through STS. In case of short circuit fault a huge current may flow through the STS, therefore, it is necessary to provide a method to reduce the STS fault current.
Jae-Hun Jung, Eui-Cheol Nho, In-Dong Kim, Heung-Geun Kim, Tae-Won Chun, Nam-Sup Choi   +5 more
openaire   +1 more source

Microgrids Operation in Islanded Mode

2017
The smart grid concept is intended to improve power system operation and control. A feasible path to make the system smarter is through microgrids deployment. A microgrid is a small scale-power system with its own power generation units and deferrable loads, and it may work islanded or connected to the main power grid.
A. C. Zambroni de Souza, B. De Nadai N., F. M. Portelinha, Diogo Marujo, D. Q. Oliveira   +4 more
openaire   +1 more source

Microgrid Control in Islanding and Connected Mode

Electrical Engineering (ICEE), Iranian Conference on, 2018
In common practice a Microgrid can operate while connected to a MV network. When a preplanned or unplanned event like holding or occurring fault occurs in the MV network it is possible to cause the islanding state in the Microgrid. In this Paper the operation of the MV network in the islanding mode and how to control the Microgrid by using the ...
Yasser Rahmati Kukandeh, Mohammad Houssein Kazemi   +1 more
openaire   +1 more source

Nonlinear Magnetostatic Modes and Twisting Modes with Magnetic Islands

Journal of the Physical Society of Japan, 1980
Nonlinear magnetostatic modes and twisting modes are shown to be described by the Modified K-dV equation and the K-dV equation respectively, The magnetic islands produced by those modes behave like solitons and are accompanied by electrostatic convective cells.
openaire   +1 more source

Control of Distributed Generators in Island Mode

2019 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM), 2019
Nowadays, the power industry widely uses distributed generators (DG) located in close proximity to energy consumers. These generators can operate both in the isolated (island) mode for allocated load, and in parallel with the centralized electric power system (EPS). The article describes a model of an electric power supply system (EPSS) with turbo- and
Yuri N. Bulatov, Andrey V. Kryukov
openaire   +1 more source

Design of Control System for Smooth Mode-Transfer of Grid-Tied Mode and Islanding Mode in Microgrid

IEEE Transactions on Power Electronics, 2020
A complete control system of microgrid with hierarchical control structure based on voltage-source control is proposed in this article, in order to realize the smooth mode-transfer of grid-tied mode (GTM) and islanding mode (ILM), and satisfy the individual design requirements of GTM and ILM simultaneously.
Mingzhi Gao, Min Chen, Bin Zhao, Bodong Li, Zhaoming Qian   +4 more
openaire   +1 more source

Island Encounters: Experiential Modes of Insideness and Outsideness on Pitcairn Island

Space and Culture, 2017
In a case study of Pitcairn Island, this article uses Relph’s experiential notion insideness/outsideness to deliver perspectives on islands as places of local and multiple meanings that are constructed spatially and experienced diversely. Results reveal how place, for different individuals and groups, induces a spectrum of situations, meanings, and ...
openaire   +1 more source

Requirements of island mode controller for microCHP in micro grid

2013 IEEE 11th International Symposium on Intelligent Systems and Informatics (SISY), 2013
Recently the microCHP (small scale Combined Heat and Power generation unit - mCHP) systems are more common, however these systems don't have any control or protection which would meet the Smart Grid philosophy. Regular mCHP is unable to effectively manage a power outage.
Péter Kadar, Mark Karacsi
openaire   +1 more source