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4. Fault Section Location Method for Distribution Network Based on Characteristic Coefficient Matrix

Author

Tu, Chunming, Liu, Chenxin, Xiao, Fan, Guo, Qi, Ge, Pingjuan, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Tan, Kay Chen, Series Editor, Yang, Qingxin, editor, Dong, Xuzhu, editor, and Ma, Weiming, editor

Published
2023
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5. Voltage Control Strategy of Power Distribution Network with Schedulable Distributed Resources

Author

Wang, Ling, Fu, Bo, Lin, Youyong, Tu, Chunming, Xiao, Fan, Guo, Qi, Akan, Ozgur, Editorial Board Member, Bellavista, Paolo, Editorial Board Member, Cao, Jiannong, Editorial Board Member, Coulson, Geoffrey, Editorial Board Member, Dressler, Falko, Editorial Board Member, Ferrari, Domenico, Editorial Board Member, Gerla, Mario, Editorial Board Member, Kobayashi, Hisashi, Editorial Board Member, Palazzo, Sergio, Editorial Board Member, Sahni, Sartaj, Editorial Board Member, Shen, Xuemin, Editorial Board Member, Stan, Mircea, Editorial Board Member, Jia, Xiaohua, Editorial Board Member, Zomaya, Albert Y., Editorial Board Member, Yang, Hongming, editor, Fei, Jiang, editor, and Qiang, Tang, editor

Published
2023
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13. A Load-Current Feed-Forward Control Method of TAB with Fast Regulation Ability

Author

Tu, Chunming, Yuan, Shuyuan, Xiao, Fan, Liu, Bei, Yu, Xueping, Guo, Qi, Liu, Jie, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, He, Jinghan, editor, Li, Yaohua, editor, Yang, Qingxin, editor, and Liang, Xidong, editor

Published
2022
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16. Interval Assessment Method for Distribution Network Hosting Capacity of Renewable Distributed Generation.

Author

Wan, Dai, Peng, Simin, Zhang, Haochong, Diao, Hanbin, Li, Peiqiang, and Tu, Chunming

Subjects
DISTRIBUTED power generation, RENEWABLE energy sources
Abstract

The traditional fixed value assessment of the renewable distributed energy hosting capacity of a distribution network cannot accurately and comprehensively reflect the change in hosting capacity; therefore, we propose the interval assessment method for the renewable distributed energy hosting capacity of a distribution network. The renewable distributed energy hosting capacity interval consists of an optimistic upper boundary and a pessimistic lower boundary. First, the optimistic upper bound is described by a deterministic model that takes into account the constraints of safe system operation. Second, the pessimistic lower bound is portrayed by a two-layer robust assessment model that accounts for the DG temporal uncertainty, DG spatial uncertainty, and active distribution network flexible resource dispatch uncertainty. Each pessimistic sub-model was constructed in turn, and then the model was solved by linear simplification using pairwise transformation, as well as McCormick relaxation. Finally, simulations were carried out in the IEEE 135 system, and the results validated the effectiveness and practicality of the proposed method. [ABSTRACT FROM AUTHOR]

Published
2024
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25. A Dynamic Active Fault-Tolerant Control for Hybrid Advanced Traction Power Supply Device

Author

Wang, Xin, Guo, Qi, Tu, Chunming, Che, Liang, Xiao, Fan, Hou, Yuchao, and Luo, Jiaming

Abstract

The novel hybrid advanced traction power supply device (NH-ATPSD), which consists of a traction transformer and a “two-phase-parallel-input to single-phase-cascaded-output” (2AC-AC) converter, has been proposed recently. It provides opportunities for solving the neutral section and negative-sequence power quality problems. However, different from the single-level power electronic device with a cascade structure, the negative-sequence current and healthy module overload may occur when the input- or output-module fault occurs in NH-ATPSD. Thus, a dynamic fault-tolerant control for NH-ATPSD is proposed in this article. For input module faults, the healthy module overload is avoided by the proposed dynamic modulation coefficient, which can dynamically adjust the power allocation between output port modules. In addition, the negative-sequence current is suppressed by controlling the partial power imbalance between the 2AC input modules. For output module faults, the active bypass of faulty modules and increased voltage methods are adopted to keep the rated voltage and power output. Finally, the simulation and experiment results verify the effectiveness and efficiency of the proposed control strategy under different fault types.

Published
2024
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34. A Hybrid Cascaded Multilevel Converter Based on Si and SiC Devices and Its Regulation Optimization Strategy

Author

Hou, Yuchao, Guo, Qi, Ren, Peng, Tu, Chunming, Huang, Zejun, and Jia, Wenhui

Abstract

The traditional cascaded multilevel converter has the problems of many submodules, low power density and high loss. Therefore, this paper proposes a hybrid cascaded multilevel converter (HCMC) topology based on Si and SiC devices. The HCMC consists of a cascaded H-bridge (CHB) unit mixed with Si IGBT and SiC MOSFET devices in series with a three-level neutral point clamped (NPC) unit of all-Si IGBT devices. Then, a special high- and low-frequency hybrid modulation strategy is presented for this topology, which gives full play to the advantages of low conduction loss of Si IGBT and low switching loss of SiC MOSFET. Further, the parameter optimization design of the HCMC is given. In addition, an alternation voltage balancing control method is presented to avoid the problem of capacitor voltage imbalance in submodules. Finally, the simulation and experiment are conducted under the reactive power compensation condition of the 6 kV system, and the effectiveness of the proposed topology and modulation strategy is proved. Moreover, the loss comparison between HCMC and existing cascaded multilevel converters proves that the proposed HCMC topology greatly reduces the operating loss while ensuring the output performance.

Published
2024
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