Impact of Recloser on Protecting Blind Areas of Distribution Network in the Presence of Distributed Generation

Farkhani, Jalal Sahebkar; Najafi, Arsalan; Zareein, Mohammad; Godina, Radu; Rodrigues, Eduardo M. G.

doi:10.3390/app9235092

Cited by 6 publications

(7 citation statements)

References 33 publications

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“…As shown in the figure, the blinding points occur when the total current is divided among different feeding sources. The short-circuit current at each fault point includes the feeder current and the DG current as shown in Equation (1) [30,39]:…”

Section: Blinding Zonesmentioning

confidence: 99%

“…In other words, an OC relay cannot pick-up in blind zones. Figure 5 illustrates the operation and blinding zones by the characteristic curve of the OC relay (pick-up current was 400A [30]). Many researchers have tried to improve the performance of OC relays in blind zones.…”

Section: Blinding Zonesmentioning

confidence: 99%

“…The increase in the cost of energy delivery from power plants to consumers and the need for improving system reliability and environmental benefits justify the movement towards DG technologies [29]. In existing protection methods, a microgrid can cause many challenges in terms of the protection of blinding zones, false tripping of protective relays, decreasing fault levels, islanding, and auto-reclosers [30][31][32]. Figure 2 depicts a typical model of a microgrid that is connected to the grid at the point of common coupling (PCC).…”

Section: Introductionmentioning

confidence: 99%

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The Power System and Microgrid Protection—A Review

et al. 2020

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In recent years, power grid infrastructures have been changing from a centralized power generation model to a paradigm where the generation capability is spread over an increasing number of small power stations relying on renewable energy sources. A microgrid is a local network including renewable and non-renewable energy sources as well as distributed loads. Microgrids can be operated in both grid-connected and islanded modes to fill the gap between the significant increase in demand and storage of electricity and transmission issues. Power electronics play an important role in microgrids due to the penetration of renewable energy sources. While microgrids have many benefits for power systems, they cause many challenges, especially in protection systems. This paper presents a comprehensive review of protection systems with the penetration of microgrids in the distribution network. The expansion of a microgrid affects the coordination and protection by a change in the current direction in the distribution network. Various solutions have been suggested in the literature to resolve the microgrid protection issues. The conventional coordination of the protection system is based on the time delays between relays as the primary and backup protection. The system protection scheme has to be changed in the presence of a microgrid, so several protection schemes have been proposed to improve the protection system. Microgrids are classified into different types based on the DC/AC system, communication infrastructure, rotating synchronous machine or inverter-based distributed generation (DG), etc. Finally, we discuss the trend of future protection schemes and compare the conventional power systems.

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Section: Blinding Zonesmentioning

confidence: 99%

Section: Blinding Zonesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Power System and Microgrid Protection—A Review

et al. 2020

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“…In traditional distribution networks, after the outlet circuit protection trips, the power supply of the system is resumed after the reclosing device actions, and normal power supply can be restored if it is a transient fault. While in active distribution networks (active distribution networks, ADNs), if the distributed energy resources (distributed energy resources, DERs) have not withdrawn after the system side protection trips, the reclosing action may fail due to the existing fault current to the fault point provided by DERs, and DERs and other equipment in the feeders would withstand secondary impact [3][4]. Hence, DERs must be disconnected from the network before reclosing action in ADNs.…”

Section: Introductionmentioning

confidence: 99%

An automatic reclosing method based on topology identification in active distribution networks

Wang,

Yu,

et al. 2024

Fourth International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2024)

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“…Still on the topic of DG, protection relay issues are addressed in a study that focuses on the impact of recloser on protecting the blind areas of distribution networks in the presence of DG [16]. In this study, the simulations are made with the help of DIgSILENT software.…”

Section: Introductionmentioning

confidence: 99%

Sustainable Energy Systems: Optimization and Efficiency

2020

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The world population is growing at a very high rate, which also entails a massive increase in energy consumption, and also, therefore, in its production, which is gradually and steadily increasing. Energy and the environment are essential to achieving sustainable development, and constitute a fundamental part of human activity. If we consider energy efficiency as the use of an appliance, process or installation for which we try to produce more energy, but with less energy consumption than the average for these appliances, processes or installations, then achieving a higher energy efficiency is imperative. Energy efficiency is a cornerstone policy on the road to stopping climate change and to achieving sustainable societies, along with the development of renewable energy and an environmentally friendly transport policy. In this Special Issue, 11 selected and peer-reviewed articles have been contributed, on a wide range of topics under the umbrella of sustainable energy systems. The published articles encompass distinct areas of interest. One area addresses distributed generation, which addresses such topics as the optimal planning of distributed generation, protection of blind areas in distribution networks, multi-objective optimization in distributed generation, energy management of virtual power plants in distributed generation, and the impact of demand-response programs on a home microgrid, as well as concentrating solar power into a highly renewable, penetrated power system. The second section of the Special Issue addresses a wide range of topics, from parametric studies of 2 MW gas engines or data centers, to combustion characteristics of a non-premixed oxy-flame, to new techniques of PV Tracking, to applications of nanofluids in the thermal performance enhancement of parabolic trough solar collectors.

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Impact of Recloser on Protecting Blind Areas of Distribution Network in the Presence of Distributed Generation

Cited by 6 publications

References 33 publications

The Power System and Microgrid Protection—A Review

The Power System and Microgrid Protection—A Review

An automatic reclosing method based on topology identification in active distribution networks

Sustainable Energy Systems: Optimization and Efficiency

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