IEEE Access, 2023 Due to the pseudo-bipolar structure of the flexible DC distribution network, the short-circuit current caused by a pole-to-ground fault is weak. The fault characteristics, particularly the steady-state fault characteristics, are not prominent. Therefore,
Hao Qi +6 more
doaj +1 more source
Experimental assessments of a triple redundant 9-phase fault tolerant PMA SynRM drive [PDF]
, 2017 Fault tolerant machine drives are key enabling technologies in safety critical applications. The machine drives are expected to exhibit high performance in healthy conditions and accommodate as many faults as possible, namely open circuit or short ...
Griffo, A., Sen, B., Wang, B., Wang, J.
core +1 more source
DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application [PDF]
, 2015 Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in solving various DC grid challenges ...
Aboushady, Ahmed A. +2 more
core +2 more sources
Investigation of Irreversible Demagnetization in Switched Flux Permanent Magnet Machines under Short-Circuit Conditions [PDF]
, 2017 The irreversible magnet demagnetization phenomena are investigated in this paper , under both healthy and short - circuit conditions for a switched flux permanent magnet (SFPM) machine.
Gabsi, M. +4 more
core +3 more sources
Characteristics of Short-Circuit Current in Distribution Network with Doubly-Fed Wind Power System
Shanghai Jiaotong Daxue xuebao, 2023 The doubly-fed induction generator (DFIG) is connected to the distribution network as a distributed power source, which turns a radial single power supply system into a dual power supply system and changes the topology of the distribution network. When a
XI Xinze, XING Chao, QIN Risheng, HE Tingyi, HE Peng, MENG Xian, CHENG Chunhui
doaj +1 more source
A Fault-Tolerant T-Type Multilevel Inverter Topology With Increased Overload Capability and Soft-Switching Characteristics [PDF]
, 2017 he performance of a novel three-phase four-leg fault-tolerant T-type inverter topology is introduced in this paper. This inverter topology provides a fault-tolerant solution to any open-circuit and certain short-circuit switching faults in the power ...
Demerdash, Nabeel +4 more
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An Analytical Short-Circuit Current Calculation Method for Full-Power Wind Turbines under Complete Fault Ride-Through Processes [PDF]
Dianli jiansheAccurate calculation of short-circuit current throughout the fault ride-through process of wind turbines is a critical prerequisite for the analysis and control of modern power systems.
YUAN Shuai, XIAO Jiaan, TAO Jun, CUI Haohan, CHAO Pupu, LI Weixing, A Minfu, WANG Liqiang, ZHONG Ming
doaj +1 more source
Artificial Neural Network Based Fault Detection and Fault Location in the DC Microgrid [PDF]
, 2016 In DC microgrid, power electronic devices may suffer from over current during short circuit faults. Since DC bus systems cannot sustain high fault currents, suitable protection strategy in DC lines is indispensable.
Cheng Wang +14 more
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Artificial neural network application in coordination of directional overcurrent protective relays in electrical mesh distribution network [PDF]
, 2015 Directional Overcurrent relays (DOCR) applications in meshed distribution network (MDN) eliminate short circuit fault current flow due to the system topological structure.
Emmanuel, Osaji +3 more
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Influence Mechanism and Suppression Control of the MMC on Short-Circuit Current Under AC Faults
IEEE Access, 2020 Modular multilevel converter based high voltage direct current (MMC-HVDC) transmission systems may increase the short-circuit current and affect the AC fault clearing of circuit breakers.
Jian Yang +3 more
doaj +1 more source