| 1000kV交流输电线路单相短路对输油输气管道电磁影响的工程计算方法(英文) |
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| 作者姓名： | ZHANG Wenliang JIANG Jun GUO Jian LU Jiayu |
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| 作者单位： | China Electric Power Research Institute |
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| 摘 要： | There will be more and more AC transmission lines near oil/gas pipelines in the future.So in order to determine the safe distance between them,simple and effective methods are required for engineers to efficiently evaluate the electromagnetic effect on oil/gas pipelines due to faults of AC transmission lines.In this paper,an easily handled fitting formula is obtained based on multiple calculation results,which is the maximum voltage on the pipeline anticorrosive coating produced by 1 000 kV AC transmission line under single phase ground fault.Although the calculation results obtained from the fitting formula differ from those gained by precise calculation with softwares,the verification of the formula shows that it is applicable for engineering calculation.This research could be applied to evaluate the electromagnetic effect of 1 000 kV AC transmission line under single-phase ground fault on nearby pipelines,as well as to determine the safe distance or the maximum parallel length.
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| 关 键 词： | 1 000 kV AC transmission line single-phase ground fault oil/gas pipelines maximum voltage on the pipeline anticorrosive coating fitting formula electromagnetic effect safe distance |
Engineering Calculation Method of Electromagnetic Effect on Oil/Gas Pipelines from 1000 kV AC Transmission Line Having Single-phase Ground Fault |
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| ZHANG Wenliang,JIANG Jun,GUO Jian,LU Jiayu.Engineering Calculation Method of Electromagnetic Effect on Oil/Gas Pipelines from 1000 kV AC Transmission Line Having Single-phase Ground Fault[J].High Voltage Engineering,2012,38(9):2145-2149. |
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| Authors: | ZHANG Wenliang JIANG Jun GUO Jian LU Jiayu |
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| Affiliation: | China Electric Power Research Institute |
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| Abstract: | There will be more and more AC transmission lines near oil/gas pipelines in the future.So in order to determine the safe distance between them,simple and effective methods are required for engineers to efficiently evaluate the electromagnetic effect on oil/gas pipelines due to faults of AC transmission lines.In this paper,an easily handled fitting formula is obtained based on multiple calculation results,which is the maximum voltage on the pipeline anticorrosive coating produced by 1 000 kV AC transmission line under single phase ground fault.Although the calculation results obtained from the fitting formula differ from those gained by precise calculation with softwares,the verification of the formula shows that it is applicable for engineering calculation.This research could be applied to evaluate the electromagnetic effect of 1 000 kV AC transmission line under single-phase ground fault on nearby pipelines,as well as to determine the safe distance or the maximum parallel length. |
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| Keywords: | 1 000 kV AC transmission line single-phase ground fault oil/gas pipelines maximum voltage on the pipeline anticorrosive coating fitting formula electromagnetic effect safe distance |
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