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学者姓名：郑昕
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Abstract ：
Arc faults are a major cause of electrical fires. Due to the diversity of load types, existing arc fault detection (AFD) methods struggle to cover all load types, making the development of a universal detection method a significant challenge. This article presents a specially designed dual-winding sensor (DWS) that can realize self-couple on the secondary side to address the issues that existed for self-couple on the primary side. The arc fault signal characteristics of both categories, as specified in IEC 62606 and GB 14287.4, are collected and analyzed. By suppressing the low-frequency signal and amplifying the high-frequency signal under resonant conditions, a universal AFD device is designed and experimentally validated. The device is unaffected by the position of the tested wire. Results indicate that the presented method demonstrates strong universality and reduces the likelihood of false positives when detecting arc faults.
Keyword ：
Arc fault detection (AFD) Arc fault detection (AFD) Circuit faults Circuit faults Couplings Couplings diversity of load types diversity of load types dual-winding sensor (DWS) dual-winding sensor (DWS) Fault diagnosis Fault diagnosis Force Force Inductance Inductance Integrated circuit modeling Integrated circuit modeling Magnetic flux Magnetic flux self-coupling self-coupling Toroidal magnetic fields Toroidal magnetic fields Windings Windings Wire Wire
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| GB/T 7714 | Zheng, Xin , Wu, Rongjun , Huang, Hanlong et al. Universal Detection Method for Arc Faults Using Dual-Winding Sensor [J]. | IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT , 2025 , 74 . |
| MLA | Zheng, Xin et al. "Universal Detection Method for Arc Faults Using Dual-Winding Sensor" . | IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 74 (2025) . |
| APA | Zheng, Xin , Wu, Rongjun , Huang, Hanlong , Wang, Jinghui . Universal Detection Method for Arc Faults Using Dual-Winding Sensor . | IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT , 2025 , 74 . |
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Abstract ：
Micro grid fault of rapid detection and removal is the key to ensure its reliability. With the access of many distributed generations (DG) to the system, the characteristics of short-circuit faults of microgrids in grid-connected and islanded modes have changed, and the traditional protection methods can no longer be applied to both operating modes of microgrids simultaneously. Due to the advantages of wavelet energy spectrum in the identification of the mutation characteristics of the weak signal as well as that of neural network in the location accuracy, this paper proposes a short circuit fault detection and protection method in AC microgrids. The method takes the current at the detection point as the object of analysis, uses the wavelet energy spectrum transform to analyze the current waveforms under normal and fault operation states, and extracts the fault characteristic quantities. At the same time, considering the effect of transition resistance, a generalized fault area identification model for both grid-connected and islanded modes is established by using a neural network algorithm. Simulation and experimental results show that this method can realize accurate judgment and area location of short-circuit faults in different modes, different DG capacities, different fault types and different fault regions.
Keyword ：
Accuracy Accuracy Circuit faults Circuit faults early detection early detection Fault detection Fault detection fault location fault location Microgrid Microgrid Microgrids Microgrids neural networks neural networks Neural networks Neural networks short-circuit fault short-circuit fault Transforms Transforms Wavelet transforms Wavelet transforms
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| GB/T 7714 | Zheng, Xin , Zhuang, Dou , Venkatesh, Bala . Research on Generic Diagnostic Methods for Short-Circuit Faults in AC Microgrids [J]. | IEEE TRANSACTIONS ON SMART GRID , 2024 , 15 (6) : 5402-5414 . |
| MLA | Zheng, Xin et al. "Research on Generic Diagnostic Methods for Short-Circuit Faults in AC Microgrids" . | IEEE TRANSACTIONS ON SMART GRID 15 . 6 (2024) : 5402-5414 . |
| APA | Zheng, Xin , Zhuang, Dou , Venkatesh, Bala . Research on Generic Diagnostic Methods for Short-Circuit Faults in AC Microgrids . | IEEE TRANSACTIONS ON SMART GRID , 2024 , 15 (6) , 5402-5414 . |
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Abstract ：
In order to solve the problem that the performance parameters of permanent magnet actuators are difficult to be identified and by computers and the multi-objective optimization problem, this paper proposes a multi-objective optimization method based on the surrogate model. Firstly, a surrogate model based on orthogonal least squares radial basis functions (OLS-RBF) is proposed to solve the problem of identifying the performance parameters of permanent magnet actuators. Then, for the multi-objective optimization problem, a novel elimination mechanism is proposed for NSGA-III to take the place of the original selection mechanism, which improves the diversity of the Pareto solution sets and reduces the running time of the algorithm. And combine it with the fitted surrogate model for multi-objective optimization. Finally, taking the electromagnetic needle selector with permanent magnets as an example, the feasibility of the method and the accuracy of the improved NSGA-III algorithm are verified by simulation, which lays the foundation for the general optimization design scheme of permanent magnet actuators. © 2024, Beijing Paike Culture Commu. Co., Ltd.
Keyword ：
Magnetic actuators Magnetic actuators Multiobjective optimization Multiobjective optimization Orthogonal functions Orthogonal functions Permanent magnets Permanent magnets Radial basis function networks Radial basis function networks
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| GB/T 7714 | Danyang, Ke , Xin, Zheng . Multi-objective Optimization of Permanent Magnet Actuator Based on Surrogate Model [C] . 2024 : 503-512 . |
| MLA | Danyang, Ke et al. "Multi-objective Optimization of Permanent Magnet Actuator Based on Surrogate Model" . (2024) : 503-512 . |
| APA | Danyang, Ke , Xin, Zheng . Multi-objective Optimization of Permanent Magnet Actuator Based on Surrogate Model . (2024) : 503-512 . |
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Arc fault is one of the important factors causing electric fire, and the prevention of arc fault is an effective means to reduce the occurrence of electricfire. High frequency arc fault signal is generated when arc fault occurs. Collecting and analyzing the high frequency arcfault signal can effectively detect whether arc fault occurs. In this paper, according to the characteristics of the phase difference of the winding output at different positions of the winding coil under the high-frequency current signal, the special-shaped winding coil current transformer(S-SWCCT) is made, and the output characteristics of Special-shaped winding coil with different turns under different frequency are analyzed experimentally. Finally, according to GB14287 standard, arcfault experiment is carried out and current signal is collected and analyzed The experimental results show that the sensor can effectively collect the high frequency signal of arcfault andfilter the lowfrequency signal in the line
Keyword ：
arc fault arc fault current transformer current transformer fault detection fault detection high frequency signal high frequency signal
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| GB/T 7714 | Huang, Hanlong , Zheng, Xin , Zhuang, Jielong et al. Research on the Application of Special -Shaped Winding Coil Current Transformer in Arc Fault Detection [J]. | 2024 IEEE 19TH CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, ICIEA 2024 , 2024 . |
| MLA | Huang, Hanlong et al. "Research on the Application of Special -Shaped Winding Coil Current Transformer in Arc Fault Detection" . | 2024 IEEE 19TH CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, ICIEA 2024 (2024) . |
| APA | Huang, Hanlong , Zheng, Xin , Zhuang, Jielong , Tang, Longfei . Research on the Application of Special -Shaped Winding Coil Current Transformer in Arc Fault Detection . | 2024 IEEE 19TH CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, ICIEA 2024 , 2024 . |
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Abstract ：
随着新能源快速发展,光伏产业需求旺盛,在光伏电池串组件的生产过程中使用机器人成为必然选择.为解决光伏产业生产线中技术人员操作困难以及使用示教器上手难度大等问题,研究了基于Visual Studio对RobotStudio进行二次开发在光伏电池组件排版系统中的应用,以实现智能制造的工艺优化和效益提升.通过设计基于RobotStudio的仿真工作站环境,模拟了光伏电池生产线,利用PCSDK二次开发功能,开发了机器人排版上位机系统.该系统可根据生产线实际情况,实时监控机器人状态和生产数据并控制工作流程,可根据不同电池组件规格灵活调整排版布局,并在仿真软件与模拟平台上进行实测验证.通过该系统实现更高效、更精确、更易上手和更可持续的生产过程,为光伏电池组件制造行业发展提供了参考.
Keyword ：
ABB工业机器人 ABB工业机器人 PC SDK PC SDK 二次开发 二次开发 光伏电池组件 光伏电池组件
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| GB/T 7714 | 吴荣俊 , 郑昕 . 基于VS和ABB工业机器人的光伏电池组件智能排版系统设计 [J]. | 机电工程技术 , 2024 , 53 (12) : 141-145 . |
| MLA | 吴荣俊 et al. "基于VS和ABB工业机器人的光伏电池组件智能排版系统设计" . | 机电工程技术 53 . 12 (2024) : 141-145 . |
| APA | 吴荣俊 , 郑昕 . 基于VS和ABB工业机器人的光伏电池组件智能排版系统设计 . | 机电工程技术 , 2024 , 53 (12) , 141-145 . |
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Abstract ：
In recent years, magnetic fluid and arc plasma simulation models based on local thermodynamic equilibrium have provided an important aid to the analysis of the arc characteristics of switching appliances. However, it has been shown that when the current is small, the arc as a whole is deviated from the local thermodynamic equilibrium, but a clear correspondence between the arc current and the thermodynamic state of the arc is not given, which largely reduces the reliability of the simulation model. In this paper, from the perspective of arc spectral analysis, we build an arc experimental platform with spectral measurement function. Through this platform, the atomic spectral line data of the carbon electrode in the arc gap at different currents are measured, and the electron density data are obtained by the Boltzmann plot method and the Stark broadening method. The measured results show that when the current is greater than 40A, the electron density of the arc-firing process reaches above l022/cm3, which is consistent with the recognized data (>1022/cm3) under the local thermal equilibrium. When the current is less than 40A under the same condition, with the increase of current, the arc electron density increases and tends to l022/cm3• The change of arc electron density indicates that the arc thermodynamic state is more inclined to the nonlocal thermodynamic equilibrium when the arc current is less than 40A. From this, we can get the inference that the thermodynamic state of low-voltage AC arc and the size of arc current have a corresponding relationship, when the current is greater than 40A, the arc as a whole is more inclined to the local thermodynamic equilibrium state, and vice versa is more inclined to the non-equilibrium state. © 2024 IEEE.
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| GB/T 7714 | Chen, L. , Zheng, X. , Zhao, X. et al. Experimental Study on Electron Density Change of Low Voltage AC Arc Under Different Currents [未知]. |
| MLA | Chen, L. et al. "Experimental Study on Electron Density Change of Low Voltage AC Arc Under Different Currents" [未知]. |
| APA | Chen, L. , Zheng, X. , Zhao, X. , Li, J. . Experimental Study on Electron Density Change of Low Voltage AC Arc Under Different Currents [未知]. |
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Due to the issues of multi-layer insulation coordination, the interface of cable accessories is prone to surface discharge and breakdown, which are the weakest link in the power cable system. The discharge model of composite dielectric interface is established. This article investigates the variation of breakdown voltage at the interface of XLPE/SiR double-layer dielectric under different interfacial roughness and pressures. The results indicate that the higher the interfacial roughness, the lower the interfacial breakdown voltage; the higher the interfacial pressure, the higher the interfacial breakdown voltage. In addition, considering the model, the quantitative relationships between breakdown voltage and roughness and pressure are established respectively. Finally, the interfacial breakdown mechanism is explained. © 2023 IEEE.
Keyword ：
Cable sheathing Cable sheathing Electric breakdown Electric breakdown Insulation Insulation Multiphysics Multiphysics
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| GB/T 7714 | Zhang, Tianfeng , Zhang, Yunxiao , Zheng, Xin et al. Interfacial Breakdown Characteristics and Its Physical Model of Cable Accessories under Multiphysics Fields [C] . 2023 . |
| MLA | Zhang, Tianfeng et al. "Interfacial Breakdown Characteristics and Its Physical Model of Cable Accessories under Multiphysics Fields" . (2023) . |
| APA | Zhang, Tianfeng , Zhang, Yunxiao , Zheng, Xin , Lin, Wenxin , Chi, Zhengnan , Zhang, Jiarui . Interfacial Breakdown Characteristics and Its Physical Model of Cable Accessories under Multiphysics Fields . (2023) . |
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Cable accessory has the interface formed by cross-linked polyethylene (XLPE)/silicone rubber (SiR), which is prone to surface discharge and thus causes the failure of cable system. This article conducts the simulated experiment of thermal-mechanical aging on the interface of XLPE/SiR. The interfacial breakdown and dielectric properties under different aging states are analyzed. It is found the interfacial aging process of XLPE can be divided into the recrystallization stage and the oxidation reaction stage. The former contributes to the interfacial roughness and thus the better insulating performance, whereas the latter leads to degradation of interface, and thus the worse insulating performance. In addition, combined with the established electric field model for the interface, the differences between thermal-mechanical aging and individual thermal aging on the interface are discussed. The sample under thermal-mechanical aging reaches the maximum interfacial breakdown voltage later than that under individual thermal aging, but their performance tends to be consistent in the later stage of aging. The change of interface microstructure and its effects on electric properties of cross-linked polyethylene/silicone rubber under thermal-mechanical aging.image
Keyword ：
cable accessory cable accessory cross-linked polyethylene cross-linked polyethylene interface interface physicochemical properties physicochemical properties thermal-mechanical coupling aging thermal-mechanical coupling aging
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| GB/T 7714 | Zhang, Tianfeng , Zhang, Yunxiao , Zheng, Xin et al. Mechanistic insights into the thermal-mechanical aging of the interface of cross-linked polyethylene/silicone rubber [J]. | JOURNAL OF APPLIED POLYMER SCIENCE , 2023 , 141 (12) . |
| MLA | Zhang, Tianfeng et al. "Mechanistic insights into the thermal-mechanical aging of the interface of cross-linked polyethylene/silicone rubber" . | JOURNAL OF APPLIED POLYMER SCIENCE 141 . 12 (2023) . |
| APA | Zhang, Tianfeng , Zhang, Yunxiao , Zheng, Xin , Lin, Wenxin , Zhang, Zenghui , Chi, Zhengnan et al. Mechanistic insights into the thermal-mechanical aging of the interface of cross-linked polyethylene/silicone rubber . | JOURNAL OF APPLIED POLYMER SCIENCE , 2023 , 141 (12) . |
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As far as low voltage AC arc is concerned, there is a close relationship between its micro state and macro state. Previous studies have shown that there is a correlation between the characteristic parameters of wavelet energy spectrum of arc voltage and arc burning trend, but there is a lack of theoretical elaboration and verification. In this paper, from the perspective of spectral analysis, an arc generation platform with spectral measurement function is built to realize the real-time measurement of plasma spectral line information in the arc gap. And the electron temperature and density of the arc are calculated by the Boltzmann diagram method and Stark broadening method, and their data trajectories in the whole arcing process are recorded. The comparison between the data trajectory and the wavelet energy time spectrum of arc voltage shows that the wavelet energy spectrum eigenvalue is feasible in theory as the macroscopic characterization parameter of arc state. Finally, the wavelet energy time spectrum of the new intelligent contactor at different breaking speeds is extracted and analyzed to verify the practicability of this macro characterization parameters. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
Keyword ：
Eigenvalues and eigenfunctions Eigenvalues and eigenfunctions Electron temperature Electron temperature Parameter estimation Parameter estimation Spectroscopy Spectroscopy Spectrum analysis Spectrum analysis Wavelet analysis Wavelet analysis
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| GB/T 7714 | Huang, Zhi-ang , Zheng, Xin , Shan, Xiaojie . Exploration of Macroscopic Characterization for Low-Voltage AC Arc State [C] . 2022 : 694-700 . |
| MLA | Huang, Zhi-ang et al. "Exploration of Macroscopic Characterization for Low-Voltage AC Arc State" . (2022) : 694-700 . |
| APA | Huang, Zhi-ang , Zheng, Xin , Shan, Xiaojie . Exploration of Macroscopic Characterization for Low-Voltage AC Arc State . (2022) : 694-700 . |
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Needle selector is an executive component of computerized flat knitting machine used to implement needle selection control. It is found that there are problems of missed and wrong selection in the actual working process. In this paper, a novel single-stage electromagnetic needle selector with E-type structure was designed by using ANSYS Maxwell. And PWM control technology was applied to the excitation driving circuit of this needle selector. The analysis and experiment show that the new needle selector can effectively reduce the occurrence of wrong and missed needle selection, and also save the material cost. This research can provide theoretical guidance for the improvement of the product process and driving module of the needle selector, and better practical application value. © 2021 IEEE.
Keyword ：
Energy management Energy management Energy resources Energy resources Needles Needles
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| GB/T 7714 | Zhao, Fumin , Zheng, Xin , Zhang, Guoli . Design and Simulation Analysis of a Novel Single-stage Electromagnetic Needle Selector [C] . 2021 . |
| MLA | Zhao, Fumin et al. "Design and Simulation Analysis of a Novel Single-stage Electromagnetic Needle Selector" . (2021) . |
| APA | Zhao, Fumin , Zheng, Xin , Zhang, Guoli . Design and Simulation Analysis of a Novel Single-stage Electromagnetic Needle Selector . (2021) . |
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