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IEEE Transactions on Transportation Electrification, 2021
The application of model predictive current control (MPCC) on the open-winding permanent magnet synchronous machine (PMSM) drive system confronts the challenge of complexity due to the enumeration process and the multiobjective cost function evaluation ...
Mahmoud S. R. Saeed +4 more
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The application of model predictive current control (MPCC) on the open-winding permanent magnet synchronous machine (PMSM) drive system confronts the challenge of complexity due to the enumeration process and the multiobjective cost function evaluation ...
Mahmoud S. R. Saeed +4 more
semanticscholar +1 more source
Optimal Design of Flux Coupling Differential Zero-Sequence Current Transformer
2020 4th International Conference on Power and Energy Engineering (ICPEE), 2020With the operation of neutral point grounding syste m with small resistance, zero sequence current transformer ha s the problems of huge volume and insufficient accuracy in pra ctical engineering. Using flux constrained zero sequence curren t transformer can solve the problem of crossing three-phase ca ble and reduce the volume of equipment. At present,
Weining Wu +4 more
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IEEE transactions on industrial electronics (1982. Print), 2021
This article proposes a direct torque control (DTC) strategy for dc-biased vernier reluctance machines (dc-biased-VRMs) capable of zero-sequence current regulation. The phase current waveform of the dc-biased-VRM is sinusoidal with dc bias.
Zixiang Yu, Wubin Kong, R. Qu
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This article proposes a direct torque control (DTC) strategy for dc-biased vernier reluctance machines (dc-biased-VRMs) capable of zero-sequence current regulation. The phase current waveform of the dc-biased-VRM is sinusoidal with dc bias.
Zixiang Yu, Wubin Kong, R. Qu
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Performance improvement of brushless DC machine by zero-sequence current injection
IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society, 2015A novel current control strategy for Brushless DC machines (BLDCs) is presented in this paper. It aims to increase BLDC exploitation compared to conventional current commutation (two-phase-on) and three-phase-on control approaches. The proposed current control strategy consists in injecting a suitable zero-sequence current in order to exploit the BLDC ...
SERPI, ALESSANDRO +4 more
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2021 IEEE 5th Conference on Energy Internet and Energy System Integration (EI2), 2021
Single phase grounding faults occur frequently in distribution networks, which is hard to detect and locate especially those faults grounded via high impedance.
Qingpu Xiao, Longyu Qin
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Single phase grounding faults occur frequently in distribution networks, which is hard to detect and locate especially those faults grounded via high impedance.
Qingpu Xiao, Longyu Qin
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IEEE transactions on power electronics
The ac/dc hybrid distribution network (HDN) is facing great challenges under single-phase ground (SPG) fault. To ensure the continuous and stable operation of ac/dc HDNs, it is essential that the converters have fault control and relay protection ...
Youwen Zhang +6 more
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The ac/dc hybrid distribution network (HDN) is facing great challenges under single-phase ground (SPG) fault. To ensure the continuous and stable operation of ac/dc HDNs, it is essential that the converters have fault control and relay protection ...
Youwen Zhang +6 more
semanticscholar +1 more source
The zero sequence circulating current suppression based on virtual impedance
2012 Power Engineering and Automation Conference, 2012There are zero sequence circuits, when inverters work in parallel directly, and zero sequence circulating current would flow, when zero sequence voltage of the inverter is different with that of the gird. The mechanism of the zero sequence circulating current is analyzed.
Xu Tieyan, Luo Yaohua
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IEEE transactions on industrial electronics (1982. Print)
In open-winding permanent magnet synchronous motors (OW-PMSMs) with a single dc bus, zero sequence current (ZSC) would cause unwanted power loss and negatively affect stability of the system, so it should be addressed.
Xueping Li +5 more
semanticscholar +1 more source
In open-winding permanent magnet synchronous motors (OW-PMSMs) with a single dc bus, zero sequence current (ZSC) would cause unwanted power loss and negatively affect stability of the system, so it should be addressed.
Xueping Li +5 more
semanticscholar +1 more source
Zero-sequence current blocking device for two phase AC systems
2019 54th International Universities Power Engineering Conference (UPEC), 2019Resonantly grounded power systems require fault current limitation in order to meet current standards and to ensure personal safety. A current limiting transformer (CLT), based on an isolating transformer, is investigated here. The major advantages of CLT, compared to an isolating transformer, are power derating, reduction of u k value and thus ...
Albert, Dennis +5 more
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Zero-sequence current dynamics in parallel-connected voltage source converters
2009 IEEE Electric Ship Technologies Symposium, 2009Multiple three-phase voltage source converters may be connected in parallel to supply an AC voltage bus or a load in excess of the rating of an individual power converter. Without a circulating path, a zero-sequence current generally does not exist in a single power converter; however, it typically exists in parallel-connected three-phase power ...
null Yu Zhang, null Zhenhua Jiang
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