Results 21 to 30 of about 316,341 (264)
The Power System and Microgrid Protection—A Review [PDF]
Applied Sciences, 2020 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
Jalal Sahebkar Farkhani +4 more
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EMD/HT‐based local fault detection in DC microgrid clusters
IET Smart Grid, 2022 DC faults can create serious damages if not detected and isolated in a short time. This paper proposes a fault detection technique for DC faults to enhance the protection of DC microgrid clusters.
Navid Bayati +5 more
doaj +1 more source
High Voltage, 2023 Engineering experience shows that for transformers with long service life and serious moisture exposure, the inter‐turn paper insulation inside the winding will precipitate bubbles under the condition of electric field and conductor heating, which will ...
Yiyi Zhang +6 more
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Real Fault Location in a Distribution Network Using Smart Feeder Meter Data
Energies, 2021 Distribution networks transmit electrical energy from an upstream network to customers. Undesirable circumstances such as faults in the distribution networks can cause hazardous conditions, equipment failure, and power outages.
Hamid Mirshekali +3 more
doaj +1 more source
Distributed Power-Generation Systems and Protection [PDF]
Proceedings of the IEEE, 2017 Continuously expanding deployments of distrib¬uted power-generation systems (DPGSs) are transforming the conventional centralized power grid into a mixed distributed electrical network. The modern power grid requires flexible energy utilization but presents challenges in the case of a high penetration degree of renewable energy, among which wind and ...
Frede Blaabjerg +3 more
openaire +1 more source
IET Science, Measurement & Technology, 2021 Due to the impedance characteristic of conductor, the ground potential rise is different within grounding grid when impulse current is injected. When staff touches objects with different GPR at the same time, the GPD will be applied to human body ...
Chun Li +5 more
doaj +1 more source
Applied Sciences, 2020 In this paper, a novel smart outage management system considering Emergency Demand Response Programs (EDRPs) and Distributed Generations (DGs) denoted as SOMSDGsEDRPs is proposed.
Sobhan Dorahaki +2 more
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Extremely low frequency‐based faulty line selection of low‐resistance grounding system
IET Generation, Transmission & Distribution, 2021 The single‐phase‐to‐ground faulty line selection methods based on the signals of the frequency above 10 Hz has a low discrimination of fault characteristic signal and characteristic signal may be covered by noise in cases of high‐resistance fault.
Qing Chen +6 more
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Instantaneous Specific Protection Method Against Faulty Synchronizations of Synchronous Machines
IEEE Access, 2021 The probability of faulty synchronization of a generator is very small, but not impossible. The main cause of a faulty synchronization is due to wiring errors caused during maintenance or commissioning when voltage transformer and synchronizing equipment
Pengfei Tian +3 more
doaj +1 more source
Differential protection strategy for distribution network based on 5G communication
IET Generation, Transmission & Distribution, 2023 With the high penetration of distributed generation and gradual increase in loop network structures, existing over‐current protection in distribution networks is difficult to apply. The use of current differential protection has become an ideal solution,
Liu Zhiren +6 more
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