Results 21 to 30 of about 162,451 (292)
发电技术, 2019 In order to accurately evaluate the health status of relay protection equipment and improve the management level of relay protection equipment, a relay protection status evaluation method based on multi-source information fusion technology was proposed ...
Limin WANG +4 more
doaj +1 more source
Elektrotehnìka ta Elektroenergetika, 2016 Мета роботи. Визначення максимальних величин струмових та кутових похибок трансформаторів струму та характеру їх зміни в усталених та перехідних режимах енергосистеми, за яких можливий вихід величин похибок за межі діапазону нормованих значень, а також у
V. V. Nitsenko +2 more
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Research on Power System Relay Protection Method Based on Machine Learning Algorithm [PDF]
E3S Web of Conferences, 2019 With the development of power industry, there are gradually high permeability distributed energy systems. However, the existing relay protection is difficult to be effectively applied in this type of power system.
Fang Jingying, Zhang Xiangyun
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MATEC Web of Conferences, 2018 The disturbance of the high voltage transmission can be caused by a short circuit, overload, lightning surge, and other natural disturbances. That disturbance can lead to disruption of the distribution of electricity and damage to the electric power ...
Zulkarnaini Zulkarnaini, Rizki Muhammad
doaj +1 more source
Restricted Earth Fault Protection Maloperation in Power Transformers and Optimal Settings to Improve its Performance [PDF]
International Journal of Research and Technology in Electrical Industry, 2023 Power transformers are one of the main components of the power grids. Several main and back up protection relays are provided to protect them against different fault types.
Reza Talebi, Mohammad Hassan Moradi
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An Adaptive Overcurrent Coordination Scheme to Improve Relay Sensitivity and Overcome Drawbacks due to Distributed Generation in Smart Grids [PDF]
, 2017 Distributed Generation (DG) brought new challenges for protection engineers since standard relay settings of traditional system may no longer function properly under increasing presence of DG.
Conde, Arturo +3 more
core +1 more source
Applied Artificial IntelligencePower grids often develop specialized startup plans for new equipment to standardize the commissioning process, which presents distinct challenges compared to other types of startup plans.
Wenbiao Tao +7 more
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Coordination of adaptive distance protection in transmission and wind farm collector lines under resistive fault conditions [PDF]
International Journal of Industrial Electronics, Control and Optimization, 2020 Distance relays calculate the path impedance between the fault point and the relay location by sampling the voltage and current at the relay location. By using the ratio of the impedance estimated by the relay to the impedance of the line where the relay
Jamshid Barati +2 more
doaj +1 more source
Core technologies for hydropower digitalization within the Energy Internet framework: a mini-review
Frontiers in WaterHydropower, a cornerstone renewable energy source globally, is undergoing a transformative evolution through digitalization technologies within the emerging Energy Internet paradigm.
Tingxiang Cao +5 more
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British Educational Research Journal, EarlyView., 2023 Abstract Early childhood has increasingly been acknowledged as a vital time for all children. Inclusive and quality education is part of the United Nations Sustainable Development Goals, with the further specification that all children have access to quality pre‐primary education.
Laura H. V. Wright +8 more
wiley +1 more source