| XLPE电缆地线电流分析与接地改造措施一例 |
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| 引用本文： | 陈小林,成永红,王贤清,石山,赵勇.XLPE电缆地线电流分析与接地改造措施一例[J].高电压技术,2006,32(2):87-88,94. |
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| 作者姓名： | 陈小林 成永红 王贤清 石山 赵勇 |
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| 作者单位： | 西安交通大学电力设备电气绝缘国家重点实验室,西安,710049 |
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| 摘 要： | 根据某工程电缆的结构参数、敷设环境和运行参数近似计算了电缆地线中的电容和感应电流后按电缆运行最高负荷和金属护套感应电压的安全值提出并评估了电缆接地改造方案。结果表明,选择电缆接地方式时需综合考虑电缆结构参数、长度、负荷大小等因素。
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| 关 键 词： | 电缆 接地 交叉互联 感应电势 电容电流 |
| 文章编号： | 1003-6520（2006）02-0087-02 |
| 收稿时间： | 2005-01-30 |
| 修稿时间： | 2005-01-30 |
Analysis of Current Flowing in the Ground Wire of XLPE Cable and Modification of Grounding Mode |
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| CHEN Xiaolin,CHENG Yonghong,WANG Xianqing,SHI Shan,ZHAO Yong.Analysis of Current Flowing in the Ground Wire of XLPE Cable and Modification of Grounding Mode[J].High Voltage Engineering,2006,32(2):87-88,94. |
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| Authors: | CHEN Xiaolin CHENG Yonghong WANG Xianqing SHI Shan ZHAO Yong |
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| Affiliation: | (State Key Laboratory of Electrical Insulation and Power Equipment,Xi’an Jiaotong University,Xi’an 710049,China) |
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| Abstract: | A kind of grounding mode of XLPE cable is described and the current flowing in the ground wire is detected.According to the structural parameters,laying environment and working parameters,the components of capacitive current and induced current are calculated in engineering approximation.A proper modification of grounding mode is proposed on the basis of the maximum loading current of cable and the upper limit of induced voltage in its metallic shealth.The effect of modification is also evaluated. |
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| Keywords: | cable ground crossing connection induced voltage capacitance current |
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