CN112505490A - 基于互差绝对值和的配电网单相接地故障选线方法 - Google Patents
基于互差绝对值和的配电网单相接地故障选线方法 Download PDFInfo
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- CN112505490A CN112505490A CN202011484287.1A CN202011484287A CN112505490A CN 112505490 A CN112505490 A CN 112505490A CN 202011484287 A CN202011484287 A CN 202011484287A CN 112505490 A CN112505490 A CN 112505490A
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- 238000010187 selection method Methods 0.000 title abstract description 14
- 230000007935 neutral effect Effects 0.000 claims abstract description 31
- 238000005070 sampling Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000004364 calculation method Methods 0.000 claims abstract description 15
- 230000001629 suppression Effects 0.000 claims abstract description 13
- 238000010586 diagram Methods 0.000 description 11
- 230000001052 transient effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Mathematical Physics (AREA)
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Abstract
Description
线路 | L1 | L2 | L3 | L4 | L5 |
选线判据P<sub>0·i</sub> | 2642.06 | 8068.14 | 2764.85 | 2565.15 | 2553.00 |
线路 | L1 | L2 | L3 | L4 | L5 |
选线判据P<sub>0·i</sub> | 757.02 | 2737.83 | 805.40 | 740.89 | 757.00 |
线路 | L1 | L2 | L3 | L4 | L5 |
选线判据P<sub>0·i</sub> | 28243.84 | 110836.88 | 28390.26 | 28278.49 | 29000.40 |
Claims (4)
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CN202011484287.1A CN112505490A (zh) | 2020-12-16 | 2020-12-16 | 基于互差绝对值和的配电网单相接地故障选线方法 |
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CN202011484287.1A CN112505490A (zh) | 2020-12-16 | 2020-12-16 | 基于互差绝对值和的配电网单相接地故障选线方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113189439A (zh) * | 2021-01-26 | 2021-07-30 | 国网江苏省电力有限公司徐州供电分公司 | 基于互差绝对值和的配电网单相接地故障选线方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11308757A (ja) * | 1998-04-20 | 1999-11-05 | Toshiba Corp | 電力系統の監視制御装置 |
CN1667424A (zh) * | 2005-02-26 | 2005-09-14 | 重庆大学 | 消弧线圈接地系统接地故障线路选择方法 |
CN101188354A (zh) * | 2007-11-30 | 2008-05-28 | 昆明理工大学 | 小电流接地系统故障选线的测后模拟方法 |
US20160061873A1 (en) * | 2014-08-29 | 2016-03-03 | Shanghai Jiao Tong University | Method for locating distribution network circuit fault based on full waveform information |
CN109444644A (zh) * | 2018-12-21 | 2019-03-08 | 南京国电南自电网自动化有限公司 | 基于暂态量差动的配电网单相接地故障选线方法 |
CN111650476A (zh) * | 2020-07-06 | 2020-09-11 | 国网江苏省电力有限公司沛县供电分公司 | 基于采样值法的配电网单相电弧性接地故障选线方法 |
-
2020
- 2020-12-16 CN CN202011484287.1A patent/CN112505490A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11308757A (ja) * | 1998-04-20 | 1999-11-05 | Toshiba Corp | 電力系統の監視制御装置 |
CN1667424A (zh) * | 2005-02-26 | 2005-09-14 | 重庆大学 | 消弧线圈接地系统接地故障线路选择方法 |
CN101188354A (zh) * | 2007-11-30 | 2008-05-28 | 昆明理工大学 | 小电流接地系统故障选线的测后模拟方法 |
US20160061873A1 (en) * | 2014-08-29 | 2016-03-03 | Shanghai Jiao Tong University | Method for locating distribution network circuit fault based on full waveform information |
CN109444644A (zh) * | 2018-12-21 | 2019-03-08 | 南京国电南自电网自动化有限公司 | 基于暂态量差动的配电网单相接地故障选线方法 |
CN111650476A (zh) * | 2020-07-06 | 2020-09-11 | 国网江苏省电力有限公司沛县供电分公司 | 基于采样值法的配电网单相电弧性接地故障选线方法 |
Non-Patent Citations (5)
Title |
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唐轶, 陈奎, 陈庆, 董海波: "导纳互差之绝对值和的极大值法小电流接地选线研究", 中国电机工程学报, no. 06, pages 49 - 54 * |
尹德昌;赵峰;: "10 kV配电网单相接地故障选线与仿真研究", 科学技术与工程, no. 06 * |
束洪春;孙向飞;刘娟;韩武;朱文涛;: "利用暂态电流的谐振接地电网故障选线自适应新方法", 中国电力, no. 07 * |
陈奎, 唐轶, 王健: "基于接地故障类型的综合选线研究", 华北电力大学学报, no. 04 * |
陈奎;唐轶;孟庆海;: "谐振接地电网单相接地故障选线研究", 中国矿业大学学报, no. 01 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113189439A (zh) * | 2021-01-26 | 2021-07-30 | 国网江苏省电力有限公司徐州供电分公司 | 基于互差绝对值和的配电网单相接地故障选线方法 |
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