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学者姓名：舒胜文
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Abstract ：
Epoxy resins are susceptible to condensation in high humidity environments, leading to flashover discharges that compromise their insulation properties. Hence, investigating the electrohydrodynamic behaviors of droplets on epoxy resin surfaces is crucial for understanding and mitigating such phenomena. By analyzing the droplet dynamics through experiments, this study thoroughly explores the spreading and migration characteristics of droplets under the influence of varying AC voltages. Simulation and numerical models are developed to depict droplet motion and force dynamics, integrating principles of hydrodynamics and electrodynamics. The findings reveal that droplets spread in the direction of the electric field, with the extent of spreading increasing with the increase in voltage. This spreading is influenced by various factors, including the droplet's position, volume, and surface tension. Primarily, the electric field at the droplet's base generates a tangential force that determines its spreading. Furthermore, the droplet tends to move toward the nearer electrode, especially when a tip structure emerges on its surface, facilitating more rapid deformation in that direction. (c) 2025 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International (CC BY-NC-ND) license (https://creativecommons.org/licenses/by-nc-nd/4.0/).https://doi.org/10.1063/5.0233998
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| GB/T 7714 | Shu, Shengwen , Huang, Wenhua , Zhan, Zhaoxuan et al. Electrohydrodynamic behavior of droplets on the surface of epoxy resin under electric field [J]. | AIP ADVANCES , 2025 , 15 (1) . |
| MLA | Shu, Shengwen et al. "Electrohydrodynamic behavior of droplets on the surface of epoxy resin under electric field" . | AIP ADVANCES 15 . 1 (2025) . |
| APA | Shu, Shengwen , Huang, Wenhua , Zhan, Zhaoxuan , Zhang, Lina , Lin, Yihong , Bian, Zhiwen . Electrohydrodynamic behavior of droplets on the surface of epoxy resin under electric field . | AIP ADVANCES , 2025 , 15 (1) . |
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To realize passive vibration monitoring of power transformers, this study proposes a self-powered method for transformer vibration monitoring sensors based on the Sm-doped Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) piezoelectric bimorph array. This study conducts the theoretical analysis and field measurement of the transformer vibration signals. In addition, the preparation method of a high-performance Sm-doped PMN-PT piezoelectric bimorph is investigated. The properties of the xSm-PMN-yPT ceramics are also analyzed. Further, the output voltage and power characteristics of the piezoelectric bimorph arrays with different combinations are compared. Finally, the validation and application of the prototype are presented. The experimental results show that the 2.5%Sm-PMN-32PT has high piezoelectric coefficient (d33) of 1710 pC/N. The results also indicate that the piezoelectric self-powered device with the parallel structure consisting of nine piezoelectric bimorphs has a maximum power generation of 2.341 mW under the measured transformer vibration excitation. Moreover, it is shown that it takes 75 min to complete the charging of the 7.5 V-1 F faradic capacitor from 4.4 V to 5 V to satisfy the condition for the required energy of 2.82 J for the vibration signal acquisition, processing, and transmission, realizing the intermittent passive vibration monitoring of the transformer for 16 times per day. Therefore, the proposed method has a promising engineering application prospect. IEEE
Keyword ：
Circuit faults Circuit faults Energy harvesting Energy harvesting Monitoring Monitoring piezoelectric bimorph array piezoelectric bimorph array piezoelectric energy harvesting piezoelectric energy harvesting Power transformer Power transformer self-powered method self-powered method Sensors Sensors Sm-doped-PMN-PT Sm-doped-PMN-PT Transformer cores Transformer cores vibration monitoring sensors vibration monitoring sensors Vibrations Vibrations Windings Windings
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| GB/T 7714 | Shu, S. , Yu, R. , Qiu, H. et al. An Efficient Self-Powered Method for Power Transformers Vibration Monitoring Sensors Based on the Sm-Doped-PMN-PT Piezoelectric Bimorph Array [J]. | IEEE Sensors Journal , 2024 , 24 (16) : 1-1 . |
| MLA | Shu, S. et al. "An Efficient Self-Powered Method for Power Transformers Vibration Monitoring Sensors Based on the Sm-Doped-PMN-PT Piezoelectric Bimorph Array" . | IEEE Sensors Journal 24 . 16 (2024) : 1-1 . |
| APA | Shu, S. , Yu, R. , Qiu, H. , Shu, L. , Lu, Y. , Wang, Z. . An Efficient Self-Powered Method for Power Transformers Vibration Monitoring Sensors Based on the Sm-Doped-PMN-PT Piezoelectric Bimorph Array . | IEEE Sensors Journal , 2024 , 24 (16) , 1-1 . |
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Large-scale wildfires can significantly reduce the air gap insulation resistance of high-voltage transmission lines and cause chain tripping incidents. To assess the resilience of the power transmission system during wildfire, this paper proposes a resilience assessment framework for transmission system that considers the entire process of wildfire disaster. Firstly, a wildfire spread model, considering multiple influencing factors, is developed based on the cellular automaton. Based on the air gap breakdown mechanism during wildfires, the trip-out probability of transmission lines is calculated, and various failure scenarios are obtained by using the Monte Carlo sampling. Secondly, considering the geographical location of failures, maintenance personnel schedules and restoration time, a power transmission system restoration model is established. Thus, a resilience assessment method for power transmission system during wildfire disasters is proposed. Finally, IEEE RTS-79 transmission system is taken as an example to demonstrate the effectiveness of the proposed resilience assessment method. The results show that the proposed method can effectively calculate the wildfire spread tendency and transmission line's trip-out probability. Furthermore, three typical resilience improvement measures are quantitatively analysed, which provides a quantifiable reference for the power sector to formulate prevention and recovery strategies for extreme wildfire disasters.
Keyword ：
disasters disasters power transmission lines power transmission lines risk analysis risk analysis wildfires wildfires
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| GB/T 7714 | Shu, Shengwen , Xiao, Nan , Cao, Shiyun et al. Resilience assessment of power transmission system during wildfire disasters considering spread process [J]. | IET GENERATION TRANSMISSION & DISTRIBUTION , 2024 , 18 (22) : 3696-3712 . |
| MLA | Shu, Shengwen et al. "Resilience assessment of power transmission system during wildfire disasters considering spread process" . | IET GENERATION TRANSMISSION & DISTRIBUTION 18 . 22 (2024) : 3696-3712 . |
| APA | Shu, Shengwen , Xiao, Nan , Cao, Shiyun , Xu, Jun , Fang, Caoying , Xie, Wenbing . Resilience assessment of power transmission system during wildfire disasters considering spread process . | IET GENERATION TRANSMISSION & DISTRIBUTION , 2024 , 18 (22) , 3696-3712 . |
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Converting mechanical vibration energy on the surface of power equipment into electrical energy by the way of piezoelectric energy harvesting is one of the effective ways to realize the passivity of power-specific sensors. However, the development trend of high integration and miniaturization of sensors has put forward higher requirements for piezoelectric energy harvesting. To this end, a new method for increasing the power of piezoelectric energy harvesting based on Sm-doped Pb(Mg1/3Nb2/3)O3-PbTiO3(Sm-PMN-PT) material and improved double intermediate capacitor harvesting(improved-DICH) interface circuit is proposed. Firstly, xSm-PMN-yPT piezoelectric bimorphs with different Sm doping ratios (x/%) and PT contents (y/%) are prepared, and the performance parameters of the piezoelectric materials are tested and compared. Secondly, on the basis of the comparative analyses of several typical interface circuits, an improved-DICH interface circuit is designed and the comparative analyses of energy harvesting are carried out from the theoretical point of view. Thirdly, the Multisim software is used to simulate and analyze the energy harvesting of different interface circuits. Finally, the energy harvesting power and energy harvesting efficiency of Sm-PMN-PT piezoelectric bimorphs and Pb(Zr1–xTix)O3 (PZT) piezoceramics under different interface circuits are tested comparatively. The results show that the piezoelectric energy harvesting device based on the 2.5%Sm-PMN-32%PT and improved-DICH interface circuit has the advantages of high output power of 516.3 μW, high energy harvesting efficiency of 61.1%, and strong load adaptability, hence has a bright prospect for engineering applications in energy harvesting. © 2024 Science Press. All rights reserved.
Keyword ：
interface circuit interface circuit piezoelectric energy harvesting piezoelectric energy harvesting power improvement power improvement power-specific sensor power-specific sensor Sm-doped PMN-PT Sm-doped PMN-PT
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| GB/T 7714 | Shu, S. , Yu, R. , Zhang, B. et al. Improvement Method of Piezoelectric Energy Harvesting Power Based on Sm-PMN-PT and Improved-DICH Interface Circuit; [基于 Sm-PMN-PT 和改进型 DICH 接口电路的压电取能功率提升方法] [J]. | High Voltage Engineering , 2024 , 50 (8) : 3448-3462 . |
| MLA | Shu, S. et al. "Improvement Method of Piezoelectric Energy Harvesting Power Based on Sm-PMN-PT and Improved-DICH Interface Circuit; [基于 Sm-PMN-PT 和改进型 DICH 接口电路的压电取能功率提升方法]" . | High Voltage Engineering 50 . 8 (2024) : 3448-3462 . |
| APA | Shu, S. , Yu, R. , Zhang, B. , Shu, L. , Lu, Y. , Wang, Z. . Improvement Method of Piezoelectric Energy Harvesting Power Based on Sm-PMN-PT and Improved-DICH Interface Circuit; [基于 Sm-PMN-PT 和改进型 DICH 接口电路的压电取能功率提升方法] . | High Voltage Engineering , 2024 , 50 (8) , 3448-3462 . |
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In recent years, wireless sensor networks have been widely used in monitoring the operational status of power systems and other industrial production activities. The traditional battery power supply method has the disadvantages of high pollution, limited effective power supply lifespan, and the difficulty of replacing batteries. The piezoelectric energy harvesting method, which converts the mechanical vibration energy into electrical energy, has become a current research favorite. In this paper, a self-powered improved double intermediate diodes and capacitors (DIDC) interface circuit is designed. Firstly, theoretical analyses of improved DIDC interface circuit and some common interface circuits are provided. Then, the energy harvesting power and output voltage of different interface circuits in different load resistances are simulated and compared using Multisim software. The results show that the improved DIDC interface circuit has higher output power, output voltage and good load adaptability, which makes it a better prospect for engineering applications. © 2024 IEEE.
Keyword ：
energy harvesting energy harvesting interface circuits interface circuits piezoelectricity piezoelectricity vibration vibration
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| GB/T 7714 | Yu, R. , Shu, S. , Zhang, B. et al. Optimization Study on Piezoelectric Energy Harvesting Interface Circuit [未知]. |
| MLA | Yu, R. et al. "Optimization Study on Piezoelectric Energy Harvesting Interface Circuit" [未知]. |
| APA | Yu, R. , Shu, S. , Zhang, B. , Jin, B. , Lu, Y. , Wang, Z. . Optimization Study on Piezoelectric Energy Harvesting Interface Circuit [未知]. |
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通过压电取能方式将电力设备表面的机械振动能转化为电能，是实现电力专用传感器无源化的有效途径之一。然而，传感器高集成度和小型化发展趋势对压电取能功率提出了更高要求。为此，提出一种基于钐掺杂铌镁酸铅-钛酸铅(Sm-doped Pb(Mg_(1/3)Nb_(2/3))O_3-PbTiO_3,Sm-PMN-PT)材料和改进型双中间电容回收(improved double intermediate capacitor harvesting,improved-DICH)接口电路的压电取能功率提升方法。首先，制备了不同Sm掺杂质量分数为x和PT质量分数为y的x Sm-PMN-y PT压电双晶片，并对压电材料的性能参数进行了测试和对比；其次，在对比分析几种典型接口电路的基础上，设计了一种改进型DICH接口电路，并从理论上进行了取能功率的对比分析；然后，采用Multisim软件对不同接口电路的取能功率进行了仿真分析；最后，对Sm-PMN-PT压电双晶片和锆钛酸铅(Pb(Zr_(1–x)Ti_x)O_3,PZT)压电陶瓷在不同接口电路下的取能功率和能量提取效率进行了对比测试。研究结果表明：基于2.5%Sm-PMN-32%PT材料和改进型DICH接口电路的压电取能装置具有516.3μW的高输出功率、61.1%的高能量提取效率和较强的负载适应性，在取能领域具有良好的工程应用前景。
Keyword ：
Sm掺杂PMN-PT Sm掺杂PMN-PT 功率提升 功率提升 压电取能 压电取能 接口电路 接口电路 电力传感器 电力传感器
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| GB/T 7714 | 舒胜文 , 俞若珺 , 张必震 et al. 基于Sm-PMN-PT和改进型DICH接口电路的压电取能功率提升方法 [J]. | 高电压技术 , 2024 , 50 (08) : 3448-3462 . |
| MLA | 舒胜文 et al. "基于Sm-PMN-PT和改进型DICH接口电路的压电取能功率提升方法" . | 高电压技术 50 . 08 (2024) : 3448-3462 . |
| APA | 舒胜文 , 俞若珺 , 张必震 , 舒龙龙 , 路永玲 , 王真 . 基于Sm-PMN-PT和改进型DICH接口电路的压电取能功率提升方法 . | 高电压技术 , 2024 , 50 (08) , 3448-3462 . |
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Abstract ：
To realize passive vibration monitoring of power transformers, this study proposes a self-powered method for transformer vibration monitoring sensors based on the Sm-doped-Pb(Mg1/3Nb2/3)O-3-PbTiO3 (PMN-PT) piezoelectric bimorph array. This study conducts the theoretical analysis and field measurement of the transformer vibration signals. In addition, the preparation method of a high-performance Sm-doped-PMN-PT piezoelectric bimorph is investigated. The properties of the xSm-PMN-yPT ceramics are also analyzed. Further, the output voltage and power characteristics of the piezoelectric bimorph arrays with different combinations are compared. Finally, the validation and application of the prototype are presented. The experimental results show that the 2.5%Sm-PMN-32PT has a high piezoelectric coefficient (d(33)) of 1710 pC/N. The results also indicate that the piezoelectric self-powered device with a parallel structure consisting of nine piezoelectric bimorphs has a maximum power generation of 2.341 mW under the measured transformer vibration excitation. Moreover, it is shown that it takes 75 min to complete the charging of the 7.5 V-1-F faradic capacitor from 4.4 to 5 V to satisfy the condition for the required energy of 2.82 J for the vibration signal acquisition, processing, and transmission, realizing the intermittent passive vibration monitoring of the transformer for 16 times per day. Therefore, the proposed method has a promising engineering application prospect.
Keyword ：
Circuit faults Circuit faults Energy harvesting Energy harvesting Monitoring Monitoring Piezoelectric bimorph array Piezoelectric bimorph array piezoelectric energy harvesting piezoelectric energy harvesting power transformer power transformer self-powered method self-powered method Sensors Sensors Sm-doped-Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) Sm-doped-Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) Transformer cores Transformer cores vibration monitoring sensors vibration monitoring sensors Vibrations Vibrations Windings Windings
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| GB/T 7714 | Shu, Shengwen , Yu, Ruojun , Qiu, Han et al. An Efficient Self-Powered Method for Power Transformers Vibration Monitoring Sensors Based on the Sm-Doped-PMN-PT Piezoelectric Bimorph Array [J]. | IEEE SENSORS JOURNAL , 2024 , 24 (16) : 26354-26368 . |
| MLA | Shu, Shengwen et al. "An Efficient Self-Powered Method for Power Transformers Vibration Monitoring Sensors Based on the Sm-Doped-PMN-PT Piezoelectric Bimorph Array" . | IEEE SENSORS JOURNAL 24 . 16 (2024) : 26354-26368 . |
| APA | Shu, Shengwen , Yu, Ruojun , Qiu, Han , Shu, Longlong , Lu, Yongling , Wang, Zhen . An Efficient Self-Powered Method for Power Transformers Vibration Monitoring Sensors Based on the Sm-Doped-PMN-PT Piezoelectric Bimorph Array . | IEEE SENSORS JOURNAL , 2024 , 24 (16) , 26354-26368 . |
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利用大数据和画像技术对电力变压器运行状态进行准确评价有利于保障电力系统的安全稳定运行。针对电力变压器运行状态传统评价方法存在的评价维度过于单一、主观性较强等不足，提出了一种基于多维能力和知识图谱-多层感知机的变压器运行状态画像构建方法。首先，构建了由绝缘水平、负载能力、抗短路能力、能效等级和调压能力五个能力构成的变压器运行状态画像体系；然后，融合知识图谱(knowledge graph,KG)与多层感知机(multilayer perceptron,MLP)，建立了一种变压器运行状态画像分析模型；最后，基于某地区1368台110kV变压器的实际运行数据，开展了变压器运行状态画像的实例分析，并与随机森林(random forest,RF)和支持向量机(supportvectormachine,SVM)方法的画像分析结果进行对比。研究结果表明，所提方法对变压器运行状态画像的准确率达到96.35%，优于RF算法(准确率89%)和SVM算法(准确率77%)，为电力变压器的运行状态评价提供了一种新思路。
Keyword ：
多层感知机 多层感知机 多维能力 多维能力 电力变压器 电力变压器 画像构建 画像构建 知识图谱 知识图谱 运行状态 运行状态
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| GB/T 7714 | 舒胜文 , 陈阳阳 , 张梓奇 et al. 基于多维能力和知识图谱-多层感知机的变压器运行状态画像构建方法 [J]. | 电网技术 , 2024 , 48 (02) : 750-759 . |
| MLA | 舒胜文 et al. "基于多维能力和知识图谱-多层感知机的变压器运行状态画像构建方法" . | 电网技术 48 . 02 (2024) : 750-759 . |
| APA | 舒胜文 , 陈阳阳 , 张梓奇 , 方舒绮 , 王国彬 , 曾静岚 . 基于多维能力和知识图谱-多层感知机的变压器运行状态画像构建方法 . | 电网技术 , 2024 , 48 (02) , 750-759 . |
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The effectiveness of fireproof sealing systems in preventing the spread of fire in high-rise building cable shafts relies on the properties of various sealing materials and the construction process. Therefore, a comprehensive evaluation is necessary. The authors of this paper propose a comparative test method based on an entity test platform for a performance evaluation of cable shaft fireproof sealing systems in high-rise buildings. The test platform measures changes in temperature, humidity, and smoke mass during fire tests to compare the performance of four sets of fireproof sealing systems in terms of thermal insulation, smoke sealing capacity, and overall integrity. In addition, a fire dynamics simulation (FDS) of fireproof sealing systems was carried out on the entity test platform, and the sealing failure process in the case of cracking in the fireproof sealing system was revealed. The simulation results for the temperature trends in the lower space align with the fire test results. Furthermore, as the gap size increases, the diffusion of smoke and flame accelerates. Consequently, the performance of cable shaft fireproof sealing systems depends not only on the sealing material but also on the construction process.
Keyword ：
cable shaft cable shaft entity test platform entity test platform FDS FDS fireproof sealing system fireproof sealing system high-rise building high-rise building performance evaluation performance evaluation
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| GB/T 7714 | Zhang, Bizhen , Shu, Shengwen , Zheng, Zhicong et al. Performance Evaluation of Cable Shaft Fireproof Sealing System in High-Rise Buildings: A Comparative Test Method [J]. | FIRE-SWITZERLAND , 2024 , 7 (3) . |
| MLA | Zhang, Bizhen et al. "Performance Evaluation of Cable Shaft Fireproof Sealing System in High-Rise Buildings: A Comparative Test Method" . | FIRE-SWITZERLAND 7 . 3 (2024) . |
| APA | Zhang, Bizhen , Shu, Shengwen , Zheng, Zhicong , Qu, Bo , Li, Xin , Xiang, Xingyao et al. Performance Evaluation of Cable Shaft Fireproof Sealing System in High-Rise Buildings: A Comparative Test Method . | FIRE-SWITZERLAND , 2024 , 7 (3) . |
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Wildfires have become an important factor threatening the safe and stable operation of transmission lines, and large-scale wildfires can significantly reduce the air gap insulation level of transmission lines and cause line tripping. Therefore, based on the principle of cellular automata and Wang Zhengfei's model of wildfire spread, this paper analyzes in detail the effects of factors such as slope, wind speed, wind direction, and fuel type on the speed of wildfire spread and the area of the fire site, and predicts the time when the wildfire arrives below the transmission line. The results indicate that the established model can preliminarily reflect the spread law of wildfires, and has a certain guiding role for the safe and stable operation of the power grid. © Beijing Paike Culture Commu. Co., Ltd 2024.
Keyword ：
Cellular automata Cellular automata Electric lines Electric lines Electric power transmission Electric power transmission Fires Fires Transmissions Transmissions Wind Wind
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| GB/T 7714 | Xu, Jun , Fang, Chaoying , Cao, Shiyun et al. Simulation Study on Spread Characteristics of Wildfire Near Transmission Lines [C] . 2024 : 191-200 . |
| MLA | Xu, Jun et al. "Simulation Study on Spread Characteristics of Wildfire Near Transmission Lines" . (2024) : 191-200 . |
| APA | Xu, Jun , Fang, Chaoying , Cao, Shiyun , Shu, Shengwen . Simulation Study on Spread Characteristics of Wildfire Near Transmission Lines . (2024) : 191-200 . |
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