采用经相似性实验验证的数值计算程序预测了埋地电力隧道温度随年代的变化规律.根据计算结果分析隧道深度、直径和发热量对隧道终温的影响.结果表明,发热量是影响隧道最终温度的主要因素.较小发热量的隧道可以直接利用地表散热;发热量大的隧道,须采用大直径和小深度的隧道布置.最后给出了电力隧道的优化设计分析.
参考文献
| [1] | Yukinobu Morishita .Technical Trends of High Voltage and Large Capacity Underground Power Cables[J].IEEJ Transactions on Electrical and Electronic Engineering,2007(5):531-535. |
| [2] | Ohata K.;Sakurai S. .Transient temperature rise of tunnel for power cables[J].IEEE Transactions on Power Delivery,1990(2):745-752. |
| [3] | 李志坚,张东斐,曹慧玲,郝文霞.地下埋设电缆温度场和载流量的数值计算[J].高电压技术,2004(z1):27-28,30. |
| [4] | 郑平,马贵阳,龚智力,顾锦彤.埋地管道周围温度场数值模拟的研究现状及趋势[J].管道技术与设备,2006(02):5-7,10. |
| [5] | 庞丽萍,王浚.热介质直埋管道周围温度场仿真研究[J].系统仿真学报,2004(03):485-487,491. |
| [6] | 刘晓燕,赵军,石成,赵波.土壤恒温层温度及深度研究[J].太阳能学报,2007(05):494-498. |
| [7] | M.S. Al-Saud;M.A. El-Kady;R.D. Findlay .A new approach to underground cable performance assessment[J].Electric Power Systems Research,2008(5):907-918. |
| [8] | Hanna M.A.;Chikhani A.Y. .Thermal analysis of power cables in multi-layered soil. I. Theoretical model[J].IEEE Transactions on Power Delivery,1993(3):761-771. |
| [9] | 文红 .提高110kV单芯高压电缆载流量的可行性分析和计算[D].浙江大学,2007. |
| [10] | A. Campo;A. Salazar .Similarity between unsteady-state conduction in a planar slab for short times and steady-state conduction in a uniform, straight fin[J].Heat and mass transfer,1996(5):365-370. |
| [11] | 朱作京,于达,宫敬.储油罐温度场模拟过程中传热相似理论[J].油气储运,2007(12):37-42. |
| [12] | 丛柏生,吴兴林,王志坚.浅谈几种电缆敷设形式的经济技术比较[J].高电压技术,2001(z1):17-18. |
| [13] | Kumai W.;Hashimoto I. .Completion of high-efficiency water pipe cooling system for underground transmission line[J].IEEE Transactions on Power Delivery,1994(1):585-590. |
| [14] | Ohki Y. .High-efficiency water pipe cooling system for underground transmission lines[J].IEEE Electrical Insulation Magazine,1993(1):39-40. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%