CN107944079B - 基于转移矩阵的排管敷设三相电缆群温升快速获取方法 - Google Patents
基于转移矩阵的排管敷设三相电缆群温升快速获取方法 Download PDFInfo
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电缆 | 线芯电阻(Ω/m) | 外套电阻(Ω/m) | 介质损耗(W/m) | 热阻(K/W*m) |
1 | 4.784E-05 | 1.278E-06 | 0.03 | 0.250 |
2 | 7.655E-05 | 1.033E-06 | 0.18 | 0.282 |
3 | 7.655E-05 | 1.033E-06 | 0.18 | 0.282 |
4 | 7.655E-05 | 1.033E-06 | 0.18 | 0.282 |
5 | 4.702E-05 | 1.732E-06 | 0.29 | 0.377 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109446633B (zh) * | 2018-10-23 | 2023-07-11 | 国网上海市电力公司 | 一种考虑导热系数和散热系数的电缆群稳态温升获取方法 |
CN109446632B (zh) * | 2018-10-23 | 2022-12-27 | 国网上海市电力公司 | 一种考虑土壤导热和比热容的单根电缆暂态温升获取方法 |
CN112199835B (zh) * | 2020-09-30 | 2023-02-14 | 河北科技大学 | 电缆群温升的确定方法、装置及终端设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20160253436A1 (en) * | 2013-10-28 | 2016-09-01 | Labinal Power Systems | A method of characterizing a bundle of electric cables |
CN106021676A (zh) * | 2016-05-13 | 2016-10-12 | 国网上海市电力公司 | 一种基于转移矩阵的多回电缆稳态温升获取方法 |
CN106021189A (zh) * | 2016-05-13 | 2016-10-12 | 国网上海市电力公司 | 一种适应多种边界条件的多回电缆稳态温升获取方法 |
CN106599383A (zh) * | 2016-11-23 | 2017-04-26 | 国网上海市电力公司 | 一种基于时域响应的两回电缆间暂态温升的获取方法 |
CN106777659A (zh) * | 2016-12-12 | 2017-05-31 | 国网上海市电力公司 | 一种不依赖表皮温度的多回电缆暂态温升获取方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20160253436A1 (en) * | 2013-10-28 | 2016-09-01 | Labinal Power Systems | A method of characterizing a bundle of electric cables |
CN106021676A (zh) * | 2016-05-13 | 2016-10-12 | 国网上海市电力公司 | 一种基于转移矩阵的多回电缆稳态温升获取方法 |
CN106021189A (zh) * | 2016-05-13 | 2016-10-12 | 国网上海市电力公司 | 一种适应多种边界条件的多回电缆稳态温升获取方法 |
CN106599383A (zh) * | 2016-11-23 | 2017-04-26 | 国网上海市电力公司 | 一种基于时域响应的两回电缆间暂态温升的获取方法 |
CN106777659A (zh) * | 2016-12-12 | 2017-05-31 | 国网上海市电力公司 | 一种不依赖表皮温度的多回电缆暂态温升获取方法 |
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