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Impacts of microgrid on protection of distribution networks and protection strategy of microgrid
2011 International Conference on Advanced Power System Automation and Protection, 2011In order to make more rational and effective use of distributed generation (DG), microgrid has been put forward. However, the connection of microgrid has a fundamental impact on the protection of distribution network. A brief introduction of the structure of microgrid was given, and the potential impact of DG on the protection and autoreclosing was ...
Zheng Kai-Hui, Xia Ming-Chao
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An improved protection strategy for microgrids
IEEE PES ISGT Europe 2013, 2013Microgrids (MG) enable the integration of low capacity renewable energy resources with distribution systems. A recently proposed protection scheme for MGs utilising undervoltage, High Impedance Fault (HIF) detection, directional protection modules, and communication links significantly reduces the fault clearing time compared to previous schemes.
Sachit Gopalan +3 more
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Challenges In Protection Of Microgrid Systems
Intelligent Automation & Soft Computing, 2010Abstract Microgrids comprise low voltage distribution systems with distributed energy resources (DER) and controllable loads which can operate connected to the medium voltage grid or islanded in a controlled coordinated way. This concept aims to move from “connect and forget” philosophy towards a full integration of DERs.
Alexandre Oudalov +2 more
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Protection Issues in Microgrids and Multi-microgrids
2017Conventional power generation from fossil fuels contributes to the problems of climate change and low energy efficiency. These problems can be partly addressed by interconnecting distributed generators (DGs) with the distribution system to supply electric power from renewable energy resources such as photovoltaic (PV), wind, biomass, and fuel cells ...
Gopalan, Sachit +3 more
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Challenges in Microgrid Protection
2019 FISE-IEEE/CIGRE Conference - Living the energy Transition (FISE/CIGRE), 2019Due to the increased complexity of distribution networks and the commitment to offer high quality electricity from distributed generation, in terms of reliability and security, conventional strategies in the design of protection schemes are overcome by the great challenges in maintaining the stability and safety of the microgrid.
Andres Eduardo Perez Fernandez +2 more
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Microgrid protection: An overview of protection strategies in North American microgrid projects
2017 IEEE Power & Energy Society General Meeting, 2017Microgrids have been proposed as an attractive solution to harness the benefits offered by distributed energy resources (DERs). However, despite their advantages, microgrids introduce new challenges to electric grids. In particular, they can impact conventional protection practices in distribution systems.
J. Shiles +6 more
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A review on Microgrid protection
2014 International Electrical Engineering Congress (iEECON), 2014Incorporation of Microgrid (MG) comprising of distributed generators (DGs), in the existing bulk power system has become an inevitable trend. The traditional distribution network designed to operate radially is protected by simple protective devices such as fuses, reclosers and over-current relays (OCRs).
Niraj Kumar Choudhary +2 more
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2018
A microgrid embraces a low-voltage (LV) distribution grid with distributed energy resources (DER) and controllable loads. In the last years, there has been a growing awareness in exploiting microgrids to facilitate DER integration in electric power systems as well as to improve reliability and power quality in distribution grids.
Mário Gomes +2 more
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A microgrid embraces a low-voltage (LV) distribution grid with distributed energy resources (DER) and controllable loads. In the last years, there has been a growing awareness in exploiting microgrids to facilitate DER integration in electric power systems as well as to improve reliability and power quality in distribution grids.
Mário Gomes +2 more
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Protection Challenges with Microgrid
2020In the modern power system, more penetration of renewable sources is encouraging to reduce the consumption of fossil fuel, to get clean energy, to reduce transmission losses, better utilization of natural sources, avoid, etc. Although the penetration of distributed energy resources (DER) is advantageous but with such modifications in the existing ...
Pinku Das, Monalisa Biswal
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Adaptive Protection System for Microgrids: Protection practices of a functional microgrid system
IEEE Electrification Magazine, 2014Distributed energy resources (DERs) offer on-site generation at consumption points, which are expected to change the conventional concept of central power generation. DER integration reduces transmission losses and enhances the operation reliability of distribution systems. However, distribution systems are traditionally designed as passive networks in
Liang Che +2 more
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