| 电力系统单相接地电流自动补偿装置 |
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| 引用本文： | 陈晓宇,郑建勇,聂成新. 电力系统单相接地电流自动补偿装置[J]. 电力系统保护与控制, 2002, 30(2): 54-57 |
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| 作者姓名： | 陈晓宇 郑建勇 聂成新 |
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| 作者单位： | 东南大学电气工程系，江苏 南京 210096 |
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| 摘 要： | 通常情况下 ,在中压配电网中 ,当电网发生单相接地故障时 ,在接地点会流过较大的全系统对地电容电流 ,并进而容易引起相间短路 ,对电网造成很大危害。研制的该装置通过一系列的测量值实时计算出故障时的电网对地电容电流 ,并通过控制装置调节消弧线圈实现跟踪补偿。经论证本装置能够在较短的时间内将接地电流减至规定的范围内 ,进而实施完全补偿。
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| 关 键 词： | 消弧线圈 跟踪补偿 自动控制 |
| 文章编号： | 1003-4897(2002)02-0054-03 |
| 修稿时间： | 2001-10-26 |
A kind of auto-compensation single-phase earthing current device of electric power system |
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| CHEN Xiao_yu,ZHENG Jian_yong,NIE Cheng_xin. A kind of auto-compensation single-phase earthing current device of electric power system[J]. Power System Protection and Control, 2002, 30(2): 54-57 |
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| Authors: | CHEN Xiao_yu ZHENG Jian_yong NIE Cheng_xin |
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| Abstract: | In the middling voltage electric power system,when the net meet the single_phase earthing malfunction ,there would be so much earthing current of electric power system and it would evoke the short circuit between phase and phase. This device can calculate the passing earthing current and regulate the arc_extinguishing coil to reduce the earthing current. By the demonstration the device can cut down the earthing current to the stated extent. |
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| Keywords: | arc_extinguishing coil tracking compensation automatic controlling |
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