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IEEE Transactions on Power Electronics, 2023
This work was supported by the Office of Naval Research U.S. under DUNS Code: 595886219.
Ezequiel Ramos +2 more
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This work was supported by the Office of Naval Research U.S. under DUNS Code: 595886219.
Ezequiel Ramos +2 more
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IEEE Transactions on Power Electronics, 2021
DC voltage balance based on zero sequence voltage is commonly used for star-connected cascaded H-Bridge (SCHB) STATCOM to compensate negative sequence current. However, zero sequence voltage injection brings about side-effect of increasing STATCOM output voltage and thus the Negative sequence Current Compensation Range (NCCR) is significantly limited ...
Daorong Lu, Haibing Hu, Yan Xing
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DC voltage balance based on zero sequence voltage is commonly used for star-connected cascaded H-Bridge (SCHB) STATCOM to compensate negative sequence current. However, zero sequence voltage injection brings about side-effect of increasing STATCOM output voltage and thus the Negative sequence Current Compensation Range (NCCR) is significantly limited ...
Daorong Lu, Haibing Hu, Yan Xing
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Enhanced Islanding Detection for GFM and GFL Inverters Using Negative Sequence Current Injection
IEEE Transactions on Industrial ElectronicsEun S Lee, Min S Kim
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IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020
Due to the presence of full-bridge submodules (FBSMs), hybrid modular multilevel converters (HMMCs) consisting of FBSMs and half-bridge submodules (HBSMs) can work under the over-modulation conditions, which means that half of the dc voltage is less than the magnitude of the ac voltage.
Pengfei Hu +2 more
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Due to the presence of full-bridge submodules (FBSMs), hybrid modular multilevel converters (HMMCs) consisting of FBSMs and half-bridge submodules (HBSMs) can work under the over-modulation conditions, which means that half of the dc voltage is less than the magnitude of the ac voltage.
Pengfei Hu +2 more
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Grid Support During Asymmetrical Faults using Negative Sequence Current Injection
2019 IEEE 4th International Future Energy Electronics Conference (IFEEC), 2019This paper investigates the effect of injecting negative sequence reactive current into the grid in case of asymmetrical faults. In such conditions, the negative sequence voltage will increase and may cause instability in the system or damage to some equipment such as three phase rotating machines. Hence, the aim of this study is to support the grid by
Mohammad Bani Shamseh +2 more
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IEEE Transactions on Industrial Electronics, 2021
The thrust force ripple of a linear motor includes positioning force and electromagnetic thrust ripple. Compared to the conventional rotary motor, linear vernier permanent magnet machines (LVPMM) break at both ends, leading to three-phase asymmetry.
Zhi Chen 0012 +4 more
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The thrust force ripple of a linear motor includes positioning force and electromagnetic thrust ripple. Compared to the conventional rotary motor, linear vernier permanent magnet machines (LVPMM) break at both ends, leading to three-phase asymmetry.
Zhi Chen 0012 +4 more
openaire +1 more source
Impact of converters’ negative-sequence fault current injection on distance protection
IET Conference ProceedingsThe injection of negative-sequence current from Converter-based Resources (CBRs) during faults has been increasingly proposed and suggested in various international standards and grid codes such as the IEEE 2800 standard. As such injection changes the nature of the fault response of the CBRs, it can introduce uncertainties and risks to the existing AC ...
Lie Xu, Qiteng Hong, Adam Dysko
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Islanding detection method with negative-sequence current injection under unbalanced grid voltage
2015 IEEE 2nd International Future Energy Electronics Conference (IFEEC), 2015 This paper proposes an active islanding detection method for the BESS (Battery Energy Storage System) with a three-phase inverter which is connected to the unbalanced AC grid. The proposed method adopts the DDSRF (Decoupled Double Synchronous Reference Frame) PLL (Phase-Locked Loop) so that the independent control of positive-sequence and negative ...
Byung-Moon Han, Hyun-Jun Kim
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The Transactions of the Korean Institute of Power Electronics, 2015 A new algorithm is proposed for the estimation of equivalent grid impedance at the point of common coupling of a grid-tie inverter output. The estimated impedance parameter can be used for the improvement of the performance and the stability of the distributed generation system.
Ji-Hoon Im
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