基于数字孪生技术的GIL综合管廊气体泄漏与排除全过程风险性评估
针对气体绝缘输电线路(gas insulated transmission line,GIL)管廊内绝缘气体泄漏导致有害气体六氟化硫(SF6)扩散复杂分布的问题,提出了一种基于数字孪生技术的全过程仿真风险评估方法.首先,根据苏通GIL管廊的实际工况和通风系统的部署,归纳综合管廊内气体大面积泄漏时的全过程通用排除方案.然后,以 SF6 气体泄漏的物理过程与数学机理为基础,在虚拟空间中构建管廊的数字孪生模型,并设置了气体泄漏的约束条件.其次,通过模拟孪生空间内 SF6 大面积泄漏气体的扩散分布,推演排除过程中 SF6 分布数据并将其可视化.最后,结合各阶段可视化结果,对GIL综合管廊内气体泄漏全过...
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| Published in | 电力系统保护与控制 Vol. 53; no. 3; pp. 160 - 171 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
国网江苏省电力有限公司电力科学研究院,江苏 南京 211103%上海交通大学,上海 200240
01.02.2025
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
| DOI | 10.19783/j.cnki.pspc.240636 |
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| Abstract | 针对气体绝缘输电线路(gas insulated transmission line,GIL)管廊内绝缘气体泄漏导致有害气体六氟化硫(SF6)扩散复杂分布的问题,提出了一种基于数字孪生技术的全过程仿真风险评估方法.首先,根据苏通GIL管廊的实际工况和通风系统的部署,归纳综合管廊内气体大面积泄漏时的全过程通用排除方案.然后,以 SF6 气体泄漏的物理过程与数学机理为基础,在虚拟空间中构建管廊的数字孪生模型,并设置了气体泄漏的约束条件.其次,通过模拟孪生空间内 SF6 大面积泄漏气体的扩散分布,推演排除过程中 SF6 分布数据并将其可视化.最后,结合各阶段可视化结果,对GIL综合管廊内气体泄漏全过程进行风险评估,从而为制定管廊内的安全撤离方案与实现智能化监控提供参考. |
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| AbstractList | 针对气体绝缘输电线路(gas insulated transmission line,GIL)管廊内绝缘气体泄漏导致有害气体六氟化硫(SF6)扩散复杂分布的问题,提出了一种基于数字孪生技术的全过程仿真风险评估方法.首先,根据苏通GIL管廊的实际工况和通风系统的部署,归纳综合管廊内气体大面积泄漏时的全过程通用排除方案.然后,以 SF6 气体泄漏的物理过程与数学机理为基础,在虚拟空间中构建管廊的数字孪生模型,并设置了气体泄漏的约束条件.其次,通过模拟孪生空间内 SF6 大面积泄漏气体的扩散分布,推演排除过程中 SF6 分布数据并将其可视化.最后,结合各阶段可视化结果,对GIL综合管廊内气体泄漏全过程进行风险评估,从而为制定管廊内的安全撤离方案与实现智能化监控提供参考. |
| Abstract_FL | To address the challenges posed by the complex distribution of sulfur hexafluoride(SF6)gas leakage in gas-insulated transmission line(GIL)utility tunnels,this paper proposes a simulation-based risk assessment approach based on digital twin technology.Firstly,a general exclusion plan for large-scale gas leakage is summarized based on the actual working conditions of the Su-Tong GIL utility tunnel and the deployment of the ventilation system.Then,based on the physical process and mathematical mechanism of SF6 gas leakage,a digital twin model of the utility tunnel is constructed in virtual space,and the constraints of gas leakage are set.Secondly,by simulating the diffusion distribution of large-scale SF6 gas leakage in the twin space,the distribution data of SF6 during the exclusion process is deduced and visualized.Finally,combining the visualization results of each stage,a full-process risk assessment of gas leakage in the GIL utility tunnel is carried out,providing a reference for formulating safe evacuation plans and achieving intelligent monitoring in the corridor. |
| Author | 卜艺康 徐长福 梁伟 贺兴 赵新冬 |
| AuthorAffiliation | 国网江苏省电力有限公司电力科学研究院,江苏 南京 211103%上海交通大学,上海 200240 |
| AuthorAffiliation_xml | – name: 国网江苏省电力有限公司电力科学研究院,江苏 南京 211103%上海交通大学,上海 200240 |
| Author_FL | XU Changfu ZHAO Xindong BU Yikang LIANG Wei HE Xing |
| Author_FL_xml | – sequence: 1 fullname: XU Changfu – sequence: 2 fullname: ZHAO Xindong – sequence: 3 fullname: LIANG Wei – sequence: 4 fullname: HE Xing – sequence: 5 fullname: BU Yikang |
| Author_xml | – sequence: 1 fullname: 徐长福 – sequence: 2 fullname: 赵新冬 – sequence: 3 fullname: 梁伟 – sequence: 4 fullname: 贺兴 – sequence: 5 fullname: 卜艺康 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.19783/j.cnki.pspc.240636 |
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| DocumentTitle_FL | Risk assessment of gas leakage and elimination in GIL utility tunnels based on digital twin technology |
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| Keywords | 推演 数字孪生 Su-Tong GIL utility tunnel gas diffusion behavior deduction 气体扩散行为 digital twin 苏通GIL管廊 SF6气体 SF6 gas |
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| PublicationTitle | 电力系统保护与控制 |
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| Publisher | 国网江苏省电力有限公司电力科学研究院,江苏 南京 211103%上海交通大学,上海 200240 |
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| Title | 基于数字孪生技术的GIL综合管廊气体泄漏与排除全过程风险性评估 |
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