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Power Network Asymmetrical Faults Analysis Using Instantaneous Symmetrical Components ()

Journal of Electromagnetic Analysis and Applications, 2009
Although the application of Symmetrical Components to time-dependent variables was introduced by Lyon in 1954, for many years its application was essentially restricted to electric machines.
Sonia Leva
exaly   +1 more source

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Fault Coordination Control for Converter-Interfaced Sources Compatible With Distance Protection During Asymmetrical Faults

IEEE Transactions on Industrial Electronics, 2023
In this article, distinctive fault characteristics of converter-interfaced renewable energy sources (CIRESs) will result in the misoperation of traditional distance relays. To handle this issue, a new fault coordination control method is proposed to ensure the correct operation of distance relays.
Zhe Yang 0007, Wenlong Liao, Qi Zhang 0065, Claus Leth Bak, Zhe Chen 0007   +4 more
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Modeling and Testing Comparison Faults of TCAMs with Asymmetric Cells

2009 27th IEEE VLSI Test Symposium, 2009
Ternary content addressable memory (TCAM) is a key component in various applications for its fast lookup operation. Symmetric and asymmetric TCAM cells are two widely used cells for implementing a TCAM array. This paper presents several comparison fault models of TCAMs with asymmetric cells based on electrical defects.
Yong-Jyun Hu, Yu-Jen Huang, Jin-Fu Li 0001   +2 more
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Control of a trapezoidal EMF PMSG under asymmetrical faults

2015 IEEE 24th International Symposium on Industrial Electronics (ISIE), 2015
A new control of a grid connected permanent magnet synchronous generator (PMSG) for wind turbines based on the Instantaneous Power Theory (pq Theory) is proposed. Given the PMSG trapezoidal electromotive force (EMF), the proposed pq control is advantageous over those based on the Park transformation, because it reduces the electromagnetic torque ripple
Josmar Ivanqui, Pércio L. K. Miranda, Hélio Voltolini, Renato Carlson   +3 more
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An Adaptive Fault Ride-Through Scheme for Grid-Forming Inverters Under Asymmetrical Grid Faults

IEEE Transactions on Industrial Electronics, 2022
202206 bchy ; Accepted Manuscript ; RGC ; Others ; Innovation and Technology Commission of the HKSAR Goverment ; Published ; Green (AAM)
Zilin Li, Ka Wing Chan, Jiefeng Hu, Siu Wing Or   +3 more
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Asymmetrical Advancing Angle Difference and its Application in Predicting Continuous Commutation Failure for LCC-HVDC Systems Under Asymmetrical Faults

IEEE Transactions on Power Delivery
Commutation failure (CF) is a frequent dynamic event at the inverter of LCC-HVDC systems caused by AC side faults, most of which are asymmetrical faults.
Ying Xue, Nan Chen
exaly   +2 more sources

An asymmetrical fault current calculation method of synchronverter

2019 IEEE Applied Power Electronics Conference and Exposition (APEC), 2019
Synchronverter is subjected to a large inrush current when a short-circuit fault occurs, which may cause serious damage to the inverter and utility grid. Therefore, it is very important to figure out the fault current characteristics of synchronverter, and it is helpful for the study of restraining the fault inrush current.
Lili He, Wen Huang, Zhikang Shuai, Z. John Shen   +3 more
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Analysis and control of Twin Wind Turbine subject to asymmetric fault

2020 IEEE Conference on Control Technology and Applications (CCTA), 2020
The concept of healthy twin wind turbines is recently studied in the literature. Control in the dq-frame, based on the symmetric of the healthy system, has been proposed. Nevertheless the robustness of such control with respect to asymmetric faults has not been studied.
Mariem Makni, Ihab Haidar, Jean-Pierre Barbot, Franck Plestan, Nabih Feki, Mohamed Slim Abbes   +5 more
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Transient Characteristics of Synchronverters Subjected to Asymmetric Faults

IEEE Transactions on Power Delivery, 2019
Since the large fault inrush current threatens the safety of power electronic devices, the synchronverter should have the fault ride-through (FRT) capability and should be equipped with a reliable protection system. Therefore, it is important to study the transient fault characteristics of the synchronverter and propose its fault current estimation ...
Lili He, Zhikang Shuai, Xin Zhang, Xuan Liu, Zuyi Li, Z. John Shen   +5 more
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A fault diagnosis algorithm for asymmetric modular architectures

IEEE Transactions on Computers, 1981
Summary: This paper is devoted to the analysis of an algorithm for the automatic fault diagnosis of asymmetric modular networks. The network model used is the one proposed by [\textit{F. P. Preparata} et al., IEEE Trans. Electron. Comput. 16, 848--854 (1967; Zbl 0189.16904)], the faults are assumed to be solid, and the Hakimi-Amin t-diagnosability ...
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