传感数字孪生技术有助于电力系统新设备的电力设备升级

Shiling Zhang, Long Li, Baojia Deng
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引用次数: 0

摘要

在中国新型电力系统建设过程中,我们将大力推进特高压电力设备的研发和电力电子器件的广泛应用。特高压电力设备绝缘结构复杂,体积巨大,长期承受着新电力系统风电、光伏的能量负荷冲击。进行现场运维测试成本很高。数字孪生技术日趋完善,新型动力系统建设逐步从汽车、航空等制造业引入。在此基础上,本文将数字孪生技术引入到新型电力系统的高端电力设备中,并根据其孪生模型进行了大电流、高电压、多谐波负荷下的现场运维仿真试验和功能响应分析。从机械振动、气体成分、光学视觉和电气参数四个传感维度出发,分析了新型电力系统设备智能传感技术的改进,实现了现场运行参数与数字孪生模型数据的交互。另一方面,提出了支持数字双源多源传感技术的GPU计算能力扩展技术,可有效支持10-5秒至103秒的设备动态行为仿真监测,并提出了高端设备运行寿命评估策略。本文重点研究了新型电力系统高端设备数字孪生模型的三维构建,其研究方法可推广到新型电力系统全网数字孪生模型的构建。研究成果可为数字孪生技术在高端电力设备场景中的应用提供理论指导和技术参考,有效支撑“双高特性”电力系统安全稳定运行。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sensing digital twin technology helps upgrade power equipment of new power system equipment
In the process of the construction of China's new power system, we will vigorously promote the research and development of UHV power equipment and wide application of power electronic devices. UHV power equipment has complex insulation structure and huge volume, bear impact energy load of wind power and photovoltaic of new power system for a long time. It cost lot to carry out on-site operation and maintenance tests. The digital twin technology is becoming more and more perfect, and the new power system construction is gradually introduced from automobile, aviation and other manufacturing industries. Based on this, this paper introduces the digital twin technology into highend power equipment of the new power system, and carries out the on-site operation and maintenance simulation test and functional response analysis under the high current, high voltage and multi harmonic loads according to its twin model. From four sensing dimensions of the mechanical vibration, the gas composition, the optical vision and electrical parameters, the improvement of intelligent sensing technology of new power system equipment is analyzed, and interaction between on-site operating parameters and digital twin model data is realized. On the other hand, GPU computing power expansion technology supporting the digital twin multi-source sensing technology is proposed, which can effectively support dynamic behavior simulation monitoring of equipment from 10-5 seconds to 103 seconds, and the operation life evaluation strategy of high-end equipment is proposed. This paper focuses on the 3D construction of the digital twin model of the high-end equipment of the new power system, and its research method can be extended to the construction of whole network digital twin model of the new power system. The research results can provide the theoretical guidance and technical reference for the application of digital twin technology in the high-end power equipment scenarios, and effectively support safe and stable operation of power system with "double high characteristics"
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