Results 21 to 30 of about 55,562 (265)
Discussion on design standard of low-voltage IT grounding system in underground mine
Gong-kuang zidonghua, 2015 The paper introduced principle of grounding fault of low-voltage IT grounding system in underground mine for the first time, and pointed out it is meaningless of a requirement in GB 50070-2009 Design Code for Electric Power in Mine that fault current ...
GUAN Hengzhu
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Control of a synchronverter-based soft open point in a distribution network
The Journal of Engineering, 2019 The presence of distributed generation (DG) in a power distribution network can cause difficulties in managing the voltage, power flow and fault level as the network was designed for supplying passive loads. This study focuses on the control of a back-to-
Ruizhu Wu +3 more
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Application technique for model-based approach to estimate fault location
IET Smart Grid, 2019 Impedance-based algorithms commonly used for determining the fault location in transmission lines are prone to several sources of error and are specific to the line and system configuration. Furthermore, these algorithms do not utilise available valuable
Sundaravaradan Navalpakkam Ananthan +2 more
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A Zero Crossing Hybrid Bidirectional DC Circuit Breaker for HVDC Transmission Systems
Energies, 2021 With the increasing demand for renewable energy power generation systems, high-power DC transmission technology is drawing considerable attention. As a result, stability issues associated with high power DC transmission have been highlighted.
Geon Kim +4 more
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IET Generation, Transmission & Distribution, 2020 The increasing permeation of the distributed generators in the power system brings great challenges for fault diagnosis, especially for the distribution networks with ungrounded neutral or grounded by Peterson coil as the fault current is limited and ...
Fang Shi +4 more
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电力工程技术, 2022 The fault characteristics of direct current (DC) grids can be analyzed by addressing the grid damping characteristics. However,the frequency-dependent characteristics of the transmission line parameters are usually ignored in the conventional grid ...
CHEN Siwei +5 more
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Sensors, 2022 With the increased demand for permanent magnet synchronous machines (PMSMs) in various industrial fields, interturn short fault (ITSF) diagnosis of PMSMs is under the limelight.
Hyeyun Jeong +3 more
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Analysis of DC offset in fault current caused by machines in a medium voltage distribution network
The Journal of Engineering, 2019 This study presents a study on the time when the short-circuit fault current in an MV distribution network will cross the zero point in the presence of DC offset affected by the local synchronous and/or induction machines.
Erfan Bashar +6 more
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Bidirectional solid current-limiter for HVDC grids
The Journal of Engineering, 2019 High-voltage direct current (HVDC) grids have been assumed as a promising technology for its advantages in accommodation and integration of large-scale renewable energy.
Jiantao Li +4 more
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Research on Fault Current Controller of DC Microgrid
南方能源建设, 2023 [Introduction] With the rapid development of AC/DC distribution networks and distributed generation technology, the role of DC microgrids in distribution networks is becoming increasingly important and will become an important component of future ...
Cong LIN, Xiangfeng LI, Fang GUO
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