Academic Exchange

主要研究领域：新能源电力设备与器件材料、结构设计与性能分析

 

1. 聚合物纳米复合与功能电介质

   高性能新型聚合物基复合电介质的设计和开发一直是学术研究的前沿与基础。本方向聚焦高性能纳米复合电介质及界面调控，旨在研发新型复合电介质材料，具备高绝缘、导 热和机械性能。未来将持续围绕功能化纳米电介质界面调控与设计进行研究。代表性论文引用单篇达150余次。研究成果被西班牙知名教授，纳米科学和技术学会Fellow， Prof. Nick Quirke引用和评价。被美国宾夕法尼亚州立大学， IEEE Fellow，Prof. Zhang, Qiming教授引用和评价。相关成果被写入到Tailoring of Nanocomposite Dielectrics From Fundamentals to Devices and Applications”-Chapter 9 Dielectric Breakdown of Polymer Nanocompsites英文专著中。

 

2. 电工材料介电性能和失效机理

本方向聚焦绝缘电介质空间电荷、短时击穿特性与机理。重点关注材料空间电荷行为表征、测试与分析，揭示材料介电、电导、电荷输运变化规律与机理，提出材料与器件性能提升方法。前期研究了电力电缆、套管和电力电子变压器绝缘击穿与微观界面空间电荷复杂行为，提出了采用量子化学计算和分子模拟方法研究材料局域态和陷阱效应的方法，揭示了界面电荷积聚与击穿失效机理。

 

 

3. 新能源电力电子高频变压器

考虑新能源接入、电能转换与分配、智能控制与灵活调节等新特点，针对电力电子变压器等设备应用场景，构建了固态变压器磁件复杂电磁-温度多物理场耦合仿真模型，提出了短时脉冲、短路与高dV/dt下电场与损耗计算方法，解决了复杂工况下电磁-热多场耦合问题。研究将形成考虑材料、结构与性能优化的设计与可靠性评估方法。

 

4. 电力设备与器件检测与数据驱动融合应用

针对电缆（本体、接头、终端）、电力半导体器件、开关等故障检测与诊断，通过Qt、空间电荷、锁相热波缺陷检测等方法对设备进行检测。通过大数据与人工智能算法，对设备状态与寿命进行评估。

Republication

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Republication Author Republication date Publisher
英文专著（章节） 王威望，李盛涛 2016-09-30 Pan Stanford Publishing Pte Ltd

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发表的主要期刊论文：

  1. Hu L, Wang W, Yu S, Ma D, Lv J, Zhong Y, et al. Interface Charge Characteristics in Polymer Dielectric Contacts: Analysis of Acoustic Approach and Probe Microscopy. Advanced Materials Interfaces. 2023;10(16).
  2. Ma D, Wang W, Qu G, Hu L, Li S. Insight of charge injection barrier at the copper/epoxy resin interface with cross-linking molecules: First-principles calculation and experimental verification. Applied Physics Letters. 2023;123(17).
  3. Wang W, Li R, He J, Zhang X, Li S. Dielectric Loss and Impact Energy Accumulation of High Frequency Transformer Insulation under Rapidly Repetitive Pulsed Voltages. Transactions of China Electrotechnical Society. 2023;38(5):1206-16.
  4. Wang W, Lv J, Feng Y, Li X, Li S. Intelligent model prediction of fluctuant increase of maximum electric field in XLPE insulation using long short-term memory network algorithm. High Voltage. 2023;8(1):70-80.
  5. Jiang Q, Wang W, Zhong Y, Li S, Xu Y. AC Conductivity with High Frequency Relaxation and Breakdown Characteristics of Epoxy Resin under Bipolar Square Wave Voltage. Transactions of China Electrotechnical Society. 2024;39(4):1159-71.
  6. Nie Y, Wang W, Li X, Li S, Zhao X, Zhao T. Evaluation Model for Thermal Aging State of Cable Insulation Using the Current Integral Charge Measurement Technique with the Neural Network-Fuzzy Clustering Method. High Voltage Engineering. 2022;48(12):4760-9.
  7. Wang W, Liu Y, He J, Ma D, Hu L, Yu S, et al. An Improved Design Procedure for a 10 kHz, 10 kW Medium-Frequency Transformer Considering Insulation Breakdown Strength and Structure Optimization. IEEE J Emerg Sel Topics Power Electron. 2022;10(4):3525-40.
  8. Wang W , Wang X , He J , et al. Electric stress and dielectric breakdown characteristics under high-frequency voltages with multi-harmonics in a solid-state transformer[J]. International Journal of Electrical Power & Energy Systems, 2021, 129(3):106861.
  9. Wang W , Yan X , Li S , et al. Failure of submarine cables used in high﹙oltage power transmission: Characteristics, mechanisms, key issues and prospects[J]. IET Generation Transmission & Distribution, 2021: 15(9):1387-1402.
  10. Wang W, He J, Liu Y, Wang X, Li S. Effects of Spike Voltages Coupling With High dV/dt Square Wave on Dielectric Loss and Electric-Thermal Field of High-Frequency Transformer. IEEE Access. 2021;9:137733-43.
  11. Weiwang Wang and Shengtao Li, Improvement of Dielectric Breakdown Performance by Surface Modification in Polyethylene/TiO2 Nanocomposites, MATERIALS﹒12(20): 3346, 2019.
  12. Weiwang Wang, Shengtao Li, Yasuhiro Tanaka and Tatsuo Takada, Interfacial Charge Dynamics of Cross-Linked Polyethylene/Ethylene-Propylene-Diene Dual Dielectric Polymer as Revealed by Energy Band Structure, IEEE Transactions on Dielectrics and Electrical Insulation, 26(6):1755-1762, 2019.
  13. 卜文，王威望，李盛涛，铝屏蔽间隙对聚醚醚酮高能电子辐射下介质深层充电特性的影响，高电压技术﹒26：1-10，2020.
  14. 王威望, 刘莹,何杰峰,王鑫.高压大容量电力电子变压器中高频变压器研究现状和发展趋势.高电压技术,2020,46(10):3362-3373.
  15. 王威望，李盛涛，工程固体电介质绝缘击穿研究现状及发展趋势，中国科学，2020(65):1-14
  16. Weiwang Wang, Keita Sonoda, Syugo Yoshida, Tatsuo Takada and Yasuhiro Tanaka, Takashi Kurihara, “Current Integrated Technique for Insulation Diagnosis of Water-Tree Degraded Cable”, IEEE Trans. Dielectr. Electr. Insul., Vol. 25, No.1, pp. 94-101, 2018. (WOS: 000427641500012, EI: 20181204925047)Weiwang Wang and Shengtao Li, “A transition of interface characteristics in LDPE/Al2O3 nanocomposites by permittivity simulation” IEEE Trans. Dielectr. Electr. Insul., Vol. 25, No.1, pp. 2-12, 2018.
  17. Weiwang Wang, Yasuhiro Tanaka, Tatsuo Takada, Shinya Iwata, Hiroaki Uehara and Shengtao Li, “Influence of oxidation on the dynamics in amorphous ethylene-propylene-diene-monomer copolymer: A molecular dynamics simulation” Polymer Degradation and Stability, Vol. 147, pp. 187-196, 2018.
  18. Weiwang Wang, Yasuhiro Tanaka and Tatsuo Takada and Shengtao Li, “Space Charge Mechanism of Polyethylene and Polytetrafluoroethylene by Electrode/Dielectrics Interface Study using Quantum Chemical Method” IEEE Trans. Dielectr. Electr. Insul., Vol. 24, No.4, pp. 2599-2606, 2017.
  19. Weiwang Wang, Yasuhiro Tanaka and Tatsuo Takada and Shengtao Li, “Trap-controlled Charge Decay and Quantum Chemical Analysis of Charge Transfer and Trapping in XLPE” IEEE Trans. Dielectr. Electr. Insul., Vol. 24, No.5, pp. 3144-3153, 2017.
  20. 王威望, 李盛涛, 刘文凤, “聚合物纳米复合电介质的击穿性能”, 电工技术学报, Vol. 32, No. 16, pp. 1-12, 2017.
  21. Weiwang Wang, Yasuhiro Tanaka and Tatsuo Takada, “Space Charge of Polyethylene and Electronic Structures Analysis of Trapping Site by Common Chemical Group” Sensors and Materials, Vol. 29, No. 8, pp. 1223-1231, 2017.