Research on the Design of Operating Condition of Multi-Resistance Superconducting DC Current Limiter [PDF]
, 2023 [Introduction] The working principle of the resistive superconducting current limiter is based on the zero resistance effect of the superconductor, which is connected in series in the line and basically has no resistance during normal operation. When the
Jinchuan GUO, Qin YIN
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, 2023 大容量试验是检验电力装备性能，保障装备安全可靠运行的重要环节。现有的大容量试验回路主要依靠人工操作，存在流程复杂、效率低且易出错的问题。针对大容量试验回路智能化控制的难题，研究建立了冲击发电机单电机短路模型和双电机并联短路模型，分析了发电机短路特性，结合典型大容量试验回路设计了一键顺控方案，提出试验回路一键顺控操作流程。通过对发电机短路模型和大容量试验回路系统的仿真 ...
吴益飞 +7 more
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Research on Flexible Interconnection of Urban Power Grid [PDF]
, 2023 [Introduction] Due to its flexibility and rapid control ability, voltage source converter based high voltage direct current (VSC-HVDC) technology can be used in asynchronous grid interconnection, renewable energy grid-connection, and urban grid power ...
Jinchuan GUO +3 more
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New Generation High-Performance VSC-HVDC Back-to-Back Technology and Application in Project [PDF]
, 2023 [Introduction] Due to the dense load, complex grid structure, and close electrical connections in the Guangdong power grid area, there are three major problems for a long time: the risk of large-scale power outages, the interaction between AC and DC, and
Bo ZHU +5 more
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Reliability Evaluation Method of Urban Distribution Network Power Supply Considering Automatic Partitioning of Distribution Network [PDF]
, 2023 [Introduction] Under the current situation of increasing automation level of distribution network, in order to solve the problem that the influence of distribution automation is not considered in traditional distribution network power supply reliability ...
Wei LIAO, Wenfeng YANG, Zhou SHU
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Research on the Key Parameters and Device Capacity Decoupling Analysis of Full Bridge MMC DC Ice-Melting Device [PDF]
, 2023 [Introduction] This article aims to study the issue of the melting capacity and reactive output capacity of the full bridge modular multi-level converter (MMC) type DC (Direct Current) melting ice device under different operating modes.
Rui HE, Xiaogang WU
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Identification of Low-Voltage Distribution Network Attribution Relationship and Phase Information Based on Density Clustering [PDF]
, 2023 [Introduction] The correct topology information recorded by the power supply department can help the staff monitor the power grid information, analyze the faults, and optimize the operation of the power grid to meet the needs of lean and intelligent ...
Donghui YAN
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Design and Application of Three-Dimensional Digitization and Intelligent Operation System for Converter Station [PDF]
, 2023 [Introduction] In response to the pain points of the operation and maintenance of the converter station, the design methods of the three-dimensional digitization and intelligent operation system are proposed, and the actual application is performed in ...
Hao ZHANG +5 more
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Infrared image segmentation algorithm based on distribution information intuitionistic fuzzy c-means clustering [PDF]
, 2020 Due to the sensitivity of the traditional intuitionistic fuzzy c-means (IFCM) clustering algorithm to the clustering center in image segmentation,which resulted in the low clustering precision,poor retention of details,and large time complexity,an ...
Fankui HU, Shuo HUANG, Xiaofei WANG
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Gaoya dianqi, 2022 以国内外电站应用量最大的126 kV隔离开关为研究对象，根据其结构特点及经常出现故障的原因，通过三维仿真分析及抗震计算，得出隔离开关周围空气域的电场分布及主导电系统的温度分布，从而优化结构设计中的薄弱环节，得到满足要求的技术参数。通过隔离开关真型抗震试验、温升试验、绝缘试验研究，解决了隔离开关在正常运行中的失效问题，校核了隔离开关的抗震水平和机械强度，验证了隔离开关的绝缘能力。设计出的新型高压隔离开关满足运行要求，为后续隔离开关设计分析提供了理论的解决方法。
李宇鹏 +11 more
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