Multi-point Synchronous Protection Scheme for Active Distribution Network Based on 5G Communication by Tiecheng LI, Hui FAN, Qian ZANG, Jiangbo REN, Weiming ZHANG, Yibo WANG

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A Zero-Sequence Current-Based Cluster Energy Balancing Control in Single-Star Multilevel Converter With Zigzag Transformer by Yeongung Kim, Shenghui Cui, Jae-Jung Jung

“…The conventional cluster energy balancing method utilizes zero-sequence voltage to redistribute active power for system balance. …”
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Empirical substantiation of the advantage of using the modified method of symmetrical components to estimate the value of zero-sequence current in distribution grids by A. A. Pesterev, S. S. Kostinskiy, N. D. Narakidze

“…The use of the basic method of symmetrical components to determine the zero sequence current in the case of amplitude-phase asymmetry under active-inductive non-sinusoidal load leads to an unacceptable error, the median value of which is 21.25%. …”
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Fault Location for Active Distribution Network Based on Improved LMD and Energy Relative Entropy by Yanchun XU, Caicai ZHAO, Sihan SUN, Lu MI

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Phase-to-phase power balance control in flexible interconnection equipment by injecting zero sequence voltage by WANG Bo, JI Ziyue, WANG Wanxing, XIAO Chaomin, ZHANG Yan

“…The multi terminal flexible interconnection equipment with cascaded full bridge and dual active bridge structure could connect AC power grid and multiple DC power grid, and instantaneous power differences in different DC power grids and sub module faults could lead to unbalance grid current and DC capacitor voltage distribution. …”
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ASSESSMENT OF CONSUMER IMPACT ON VOLTAGE ASYMMETRY BY THE ZERO SEQUENCE AT THE POINT OF COMMON CONNECTION by Dmitrii Kostyukov

“…The article presents a technique for assessment the level of consumers’ impact on the voltage asymmetry by the zero sequence at the point of common connection. The results of a computational experiment that determine the possibility of using the level of the active component of the zero sequence distortion power as a criteria of assessment are presented. …”
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GA-SVM method for single-phase grounding fault line selection in distribution network based on feature fusion by ZHANG Xiaopeng, BAI Jie, SUN Naijun, LI Jie, ZHENG Shuai, WAN Qingzhu

“…Aiming at the low accuracy of line selection method when the data amount of single-phase grounding fault in distribution network is small, a genetic algorithm optimized support vector machine (GA-SVM) method for single-phase grounding fault line selection in distribution network based on feature fusion is proposed, which adopts Fourier transform, the active power method and wavelet packet transform decompose the transient zero-sequence current of each line under different fault conditions, extracts four features, including fundamental wave amplitude, fifth harmonic amplitude, average active power component and wavelet energy value. …”
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Research on the Control Strategy of Star Cascaded SVG underThree-phase Unbalanced Conditions by WU Bing, HU Xiaodong, LI Sufen, ZHANG Dinghua, WANG Feng, XU Yong

“…Over-current of SVG is suppressed by negative sequence voltage feed-forward control, and DC voltage is adjusted by zero sequence voltage injection method to reallocate the active power in three phases. …”
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Injection Current Distribution Characteristics Identification Based Distribution-Level Fault Line Selection by Xiaowei WANG, Yang YUE, Liang GUO, Xue WANG, Yizhao WANG, Zhihua ZHANG, Fengfeng YANG

“…A specific steady-state zero-sequence current time window is identified, and the Prony algorithm is employed to accurately discern the 25Hz current amplitude within the zero-sequence current of each line. …”
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Self-Healing of Active Distribution Networks by Accurate Fault Detection, Classification, and Location by Sally El-Tawab, Hassan S. Mohamed, Amr Refky, A. M. Abdel-Aziz

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Ground fault protection algorithm of active distribution network based on energy extremum direction by Li Jun, He Min, Huang Shoudao, Wu Xuan, Fan lv, Liu Zhi Yong

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ResNest-SVM-based method for identifying single-phase ground faults in active distribution networks by Qingwen Lian, Xiang Luo, Dong Lin, Caihua Lin, Bingxi Chen, Ziyi Guo

“…In the active distribution network, the power supply in the network changes from one to multiple, which may change the direction of the fault current. …”
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Improving Power Quality of a Hybrid Grid-Connected Photovoltaic–Wind Microgrid Using Shunt Active Power Filter and Distribution Static Synchronous Compensator by Ehsan Akbari, Abbas Zare Ghaleh Seyyedi

“…To solve the harmonic issue, a SAPF is presented to dynamic compensation of grid current and voltage harmonic components in addition to DSTATCOM. …”
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Efficiency increasing of a shipyard power supply system by Beley V. F., Korotkikh K. V.

“…An integrated approach to the analysis of the plant's power supply system included experimental studies of nonlinear power consumers, during which a high level of higher current harmonics (3rd, 5th and 7th orders) was established. …”
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