CN105717341B - 一种三芯电力电缆表面磁场极值点场强解析方法 - Google Patents
一种三芯电力电缆表面磁场极值点场强解析方法 Download PDFInfo
- Publication number
- CN105717341B CN105717341B CN201610073677.7A CN201610073677A CN105717341B CN 105717341 B CN105717341 B CN 105717341B CN 201610073677 A CN201610073677 A CN 201610073677A CN 105717341 B CN105717341 B CN 105717341B
- Authority
- CN
- China
- Prior art keywords
- cable
- magnetic field
- phase
- current
- phase current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004458 analytical method Methods 0.000 title abstract description 13
- 238000000034 method Methods 0.000 claims description 21
- 238000001308 synthesis method Methods 0.000 claims description 12
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000691 measurement method Methods 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract 1
- 238000010189 synthetic method Methods 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 description 33
- 230000006698 induction Effects 0.000 description 27
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610073677.7A CN105717341B (zh) | 2016-02-03 | 2016-02-03 | 一种三芯电力电缆表面磁场极值点场强解析方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610073677.7A CN105717341B (zh) | 2016-02-03 | 2016-02-03 | 一种三芯电力电缆表面磁场极值点场强解析方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105717341A CN105717341A (zh) | 2016-06-29 |
CN105717341B true CN105717341B (zh) | 2018-10-23 |
Family
ID=56155446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610073677.7A Active CN105717341B (zh) | 2016-02-03 | 2016-02-03 | 一种三芯电力电缆表面磁场极值点场强解析方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105717341B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107328980B (zh) * | 2017-07-13 | 2020-01-21 | 北京科技大学 | 多芯电缆非侵入式电流测量方法及测量装置 |
CN108107256A (zh) * | 2017-12-21 | 2018-06-01 | 国网冀北电力有限公司唐山供电公司 | 一种三芯电力电缆周向磁场等效分析方法 |
TWI645197B (zh) * | 2017-12-26 | 2018-12-21 | 財團法人工業技術研究院 | 電流感測裝置及方法 |
CN108089049B (zh) * | 2017-12-26 | 2019-12-31 | 国网冀北电力有限公司唐山供电公司 | 用磁传感器测量三芯电力电缆各芯线电流及磁传感器安装偏角的方法 |
CN108828289B (zh) * | 2018-04-18 | 2020-07-14 | 国网冀北电力有限公司唐山供电公司 | 一种磁传感器测量三芯电力电缆各相芯线电流的偏心误差的方法 |
CN108802831A (zh) * | 2018-04-18 | 2018-11-13 | 国网冀北电力有限公司唐山供电公司 | 一种测定三芯电力电缆芯线位置的方法 |
CN111664892A (zh) * | 2020-06-01 | 2020-09-15 | 广西电网有限责任公司南宁供电局 | 一种配电电缆电磁热场分析系统 |
CN112462306B (zh) * | 2020-11-02 | 2024-02-20 | 天地(常州)自动化股份有限公司 | 抗干扰式煤矿机电设备开停检测方法 |
CN113820532B (zh) * | 2021-09-23 | 2022-04-15 | 南方电网数字电网研究院有限公司 | 非接触式双芯电缆电流测量方法和装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102062807A (zh) * | 2010-12-09 | 2011-05-18 | 上海舜宇海逸光电技术有限公司 | 电流测量装置及电流测量方法 |
CN102084259A (zh) * | 2008-07-21 | 2011-06-01 | 保维森斯公司 | 三相法拉第光学电流传感器组件 |
CN102680856A (zh) * | 2012-05-16 | 2012-09-19 | 上海电力学院 | 基于磁传感器阵列的输电线路零序电流的测量方法 |
CN103575959A (zh) * | 2013-09-02 | 2014-02-12 | 北京交通大学 | 一种新型非接触式三相电流测量方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000199770A (ja) * | 1999-01-04 | 2000-07-18 | Gakugei Computer:Kk | 低雑音多芯平行コ―ド電流検出器 |
-
2016
- 2016-02-03 CN CN201610073677.7A patent/CN105717341B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102084259A (zh) * | 2008-07-21 | 2011-06-01 | 保维森斯公司 | 三相法拉第光学电流传感器组件 |
CN102062807A (zh) * | 2010-12-09 | 2011-05-18 | 上海舜宇海逸光电技术有限公司 | 电流测量装置及电流测量方法 |
CN102680856A (zh) * | 2012-05-16 | 2012-09-19 | 上海电力学院 | 基于磁传感器阵列的输电线路零序电流的测量方法 |
CN103575959A (zh) * | 2013-09-02 | 2014-02-12 | 北京交通大学 | 一种新型非接触式三相电流测量方法 |
Also Published As
Publication number | Publication date |
---|---|
CN105717341A (zh) | 2016-06-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105717341B (zh) | 一种三芯电力电缆表面磁场极值点场强解析方法 | |
CN108828289B (zh) | 一种磁传感器测量三芯电力电缆各相芯线电流的偏心误差的方法 | |
CN105606876A (zh) | 一种基于磁传感器的三芯电力电缆相电流检测方法 | |
CN103792465B (zh) | 一种基于零序电压的配电网单相接地故障测距的方法 | |
US7426874B2 (en) | Electromagnetic flowmeter with measuring tube | |
CN112710921B (zh) | 一种谐振接地系统高阻故障选线和区段定位方法及系统 | |
CN108089049B (zh) | 用磁传感器测量三芯电力电缆各芯线电流及磁传感器安装偏角的方法 | |
Zhang et al. | Optimal PMU placement evaluation for power system dynamic state estimation | |
CN105785285B (zh) | 一种扇形三芯电力电缆表面磁场等效分析方法 | |
CN103292773B (zh) | 一种基于最小区域的对称度误差评定方法 | |
CN103116097A (zh) | 基于多断面混合量测信息的设备参数在线辨识方法 | |
CN105425174A (zh) | 一种获取心式变压器漏磁场的方法及装置 | |
CN105929302A (zh) | 基于序分量关系的输电线路单端故障测距方法 | |
CN115079060A (zh) | 基于差分进化算法的三芯电缆相电流空间磁场反演方法 | |
CN108020713A (zh) | 一种埋地管道地磁感应电流gic的非接触式测量装置及方法 | |
CN106021652B (zh) | 一种大地土壤立体电阻网络模型的建立方法 | |
CN107037324B (zh) | 基于单端电气量的不受过渡电阻影响的故障测距方法 | |
JP2006090794A (ja) | 状態検出装置 | |
CN103969506A (zh) | 一种三相电力电缆谐波损耗计算方法 | |
CN103424627B (zh) | 双端测量平行电网线路零序阻抗的方法 | |
CN108020710A (zh) | 一种油气管道低频杂散电流开启式磁测量装置及方法 | |
CN104483577B (zh) | 一种电力线路参数准确度的测定方法 | |
CN108107256A (zh) | 一种三芯电力电缆周向磁场等效分析方法 | |
Gao et al. | A novel inverse method for automatic UAV line patrolling with magnetic sensors | |
Sim et al. | The estimation of the current distribution on the HTS cable by measuring the circumferential magnetic field |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Yuan Yanling Inventor after: Mu Yong Inventor after: Li Shisong Inventor after: Gao Zhongqiang Inventor after: Dong Jie Inventor after: Zhao Wei Inventor after: Gao Ling Inventor after: Gao Junfu Inventor after: Xia Fuqing Inventor after: Yao Yuyong Inventor before: Yuan Yanling Inventor before: Mu Yong Inventor before: Liang Dong Inventor before: Zhu Xiaoling Inventor before: Liu Yaxin Inventor before: Li Shisong Inventor before: Gao Zhongqiang Inventor before: Dong Jie Inventor before: Zhao Wei Inventor before: Gao Junfu Inventor before: Xia Fuqing Inventor before: Yuan Jijun Inventor before: Zhang Xishu |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |