CN107110905A - 灵敏dc电流不平衡检测器和校准方法 - Google Patents
灵敏dc电流不平衡检测器和校准方法 Download PDFInfo
- Publication number
- CN107110905A CN107110905A CN201580072839.9A CN201580072839A CN107110905A CN 107110905 A CN107110905 A CN 107110905A CN 201580072839 A CN201580072839 A CN 201580072839A CN 107110905 A CN107110905 A CN 107110905A
- Authority
- CN
- China
- Prior art keywords
- sensor
- coil
- magnetic field
- current leakage
- field sensor
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005291 magnetic effect Effects 0.000 claims abstract description 53
- 238000005086 pumping Methods 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/202—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/205—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
-
- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
-
- 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
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
- G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
-
- 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
- G01R31/40—Testing power supplies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
- H02H1/003—Fault detection by injection of an auxiliary voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2015/050020 WO2016110661A1 (en) | 2015-01-08 | 2015-01-08 | Sensitive dc current imbalance detector and calibration method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107110905A true CN107110905A (zh) | 2017-08-29 |
Family
ID=52395098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580072839.9A Pending CN107110905A (zh) | 2015-01-08 | 2015-01-08 | 灵敏dc电流不平衡检测器和校准方法 |
Country Status (5)
Country | Link |
---|---|
US (2) | US10539603B2 (zh) |
EP (1) | EP3243083A1 (zh) |
CN (1) | CN107110905A (zh) |
CA (1) | CA2972702A1 (zh) |
WO (1) | WO2016110661A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115762843A (zh) * | 2022-12-01 | 2023-03-07 | 杭州旷潼量子科技有限公司 | 一种用于超冷原子磁场精密控制装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7204453B2 (ja) * | 2018-11-30 | 2023-01-16 | 株式会社東芝 | 電流検出装置 |
US11746602B2 (en) * | 2020-02-27 | 2023-09-05 | Power Feed-Thru Systems And Connectors Llc | Systems and methods for testing electrical properties of a downhole power cable |
US11313917B2 (en) * | 2020-05-13 | 2022-04-26 | Lear Corporation | Electric current sensor for detecting leakage current |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2555255A1 (de) * | 1975-12-09 | 1977-06-16 | Bbc Brown Boveri & Cie | Einrichtung zur erfassung von fehlerstroemen |
EP0157054A1 (en) * | 1984-01-23 | 1985-10-09 | Duraplug Electricals Limited | Residual current circuit breaker |
GB2181599A (en) * | 1985-10-07 | 1987-04-23 | Duraplug Elect Ltd | Residual current circuit breaker |
CN1215246A (zh) * | 1997-10-16 | 1999-04-28 | 东芝株式会社 | 向电动机输出驱动电力的变频装置及其上安装的滤波装置 |
CN2459132Y (zh) * | 2001-01-11 | 2001-11-14 | 廖正明 | 漏磁式电子电焊机 |
CN102437548A (zh) * | 2011-12-30 | 2012-05-02 | 邹溪 | 一种零剩余电流保护电路方法及其剩余电流保护断路器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6043662A (en) * | 1996-09-18 | 2000-03-28 | Alers; Glenn Baldwin | Detecting defects in integrated circuits |
JPH10332722A (ja) * | 1997-06-02 | 1998-12-18 | Matsushita Electric Ind Co Ltd | 回転速度検出装置 |
US6011398A (en) * | 1998-04-23 | 2000-01-04 | Associated Research, Inc. | Current-leakage tester |
US6653831B2 (en) * | 2001-11-20 | 2003-11-25 | Gentex Corporation | Magnetometer having a dynamically adjustable bias setting and electronic vehicle compass incorporating the same |
US6984978B2 (en) * | 2002-02-11 | 2006-01-10 | Honeywell International Inc. | Magnetic field sensor |
US20070262779A1 (en) | 2006-05-11 | 2007-11-15 | Lucent Technologies Inc. | Detection of unbalanced power feed conditions |
DE102010002060A1 (de) | 2010-02-17 | 2011-08-18 | BSH Bosch und Siemens Hausgeräte GmbH, 81739 | Netzfilter für ein Hausgerät und Hausgerät mit Netzfilter |
CN102023244A (zh) * | 2010-10-26 | 2011-04-20 | 江苏多维科技有限公司 | 独立封装的电表传感器 |
US8593150B2 (en) | 2010-11-10 | 2013-11-26 | Rockwell Automation Technologies, Inc. | Method and apparatus for detecting a location of ground faults in a motor/motor drive combination |
-
2015
- 2015-01-08 EP EP15701049.7A patent/EP3243083A1/en not_active Withdrawn
- 2015-01-08 US US15/541,557 patent/US10539603B2/en not_active Expired - Fee Related
- 2015-01-08 CA CA2972702A patent/CA2972702A1/en not_active Abandoned
- 2015-01-08 WO PCT/GB2015/050020 patent/WO2016110661A1/en active Application Filing
- 2015-01-08 CN CN201580072839.9A patent/CN107110905A/zh active Pending
-
2019
- 2019-10-07 US US16/594,307 patent/US20200033391A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2555255A1 (de) * | 1975-12-09 | 1977-06-16 | Bbc Brown Boveri & Cie | Einrichtung zur erfassung von fehlerstroemen |
EP0157054A1 (en) * | 1984-01-23 | 1985-10-09 | Duraplug Electricals Limited | Residual current circuit breaker |
GB2181599A (en) * | 1985-10-07 | 1987-04-23 | Duraplug Elect Ltd | Residual current circuit breaker |
CN1215246A (zh) * | 1997-10-16 | 1999-04-28 | 东芝株式会社 | 向电动机输出驱动电力的变频装置及其上安装的滤波装置 |
CN2459132Y (zh) * | 2001-01-11 | 2001-11-14 | 廖正明 | 漏磁式电子电焊机 |
CN102437548A (zh) * | 2011-12-30 | 2012-05-02 | 邹溪 | 一种零剩余电流保护电路方法及其剩余电流保护断路器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115762843A (zh) * | 2022-12-01 | 2023-03-07 | 杭州旷潼量子科技有限公司 | 一种用于超冷原子磁场精密控制装置 |
Also Published As
Publication number | Publication date |
---|---|
US20200033391A1 (en) | 2020-01-30 |
WO2016110661A1 (en) | 2016-07-14 |
US20170356949A1 (en) | 2017-12-14 |
CA2972702A1 (en) | 2016-07-14 |
EP3243083A1 (en) | 2017-11-15 |
US10539603B2 (en) | 2020-01-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100454024C (zh) | 磁桥型电流传感器及磁桥型电流检测方法、以及用于该传感器与检测方法的磁桥 | |
RU2394207C2 (ru) | Устройство определения положения и способ определения положения упаковочного материала с магнитной меткой | |
CN108401471B (zh) | 感应式电力发射器 | |
CA2828299C (en) | Inductively interrogated passive sensor apparatus | |
CN107110905A (zh) | 灵敏dc电流不平衡检测器和校准方法 | |
JP5362713B2 (ja) | 磁気抵抗複合センサにおける低周波ノイズ除去の方法 | |
JP2018503063A (ja) | 誘導電力送信器 | |
JP2008539411A5 (zh) | ||
JP2010508937A (ja) | 磁気共鳴検査システムのクエンチ検出 | |
Koch et al. | Fundamental limits to magnetic-field sensitivity of flux-gate magnetic-field sensors | |
JP2010525437A5 (zh) | ||
CN105593695B (zh) | 双squid测量装置 | |
Li et al. | Nonlinear current detection based on magnetic modulation technology | |
JP2010513912A (ja) | 作用領域の磁性材料の検出及び/又は特定を行う装置並びに方法、構造物の検査における装置の使用 | |
JP2006266909A5 (zh) | ||
JP2023169302A (ja) | 自動車電池電流検知システム | |
CN102881437A (zh) | 一种用于检测剩余电流的电流互感器和剩余电流保护装置 | |
JP6695054B2 (ja) | 着磁防止装置及びこれを用いた電流検出装置 | |
WO2015070345A1 (en) | Simultaneous measurement technique for line current, geomagnetically induced currents (gic) and transient currents in power systems | |
Clifford et al. | A retrofit 60 hz current sensor for non-intrusive power monitoring at the circuit breaker | |
JP2002333467A (ja) | 磁界検出装置 | |
TWI644112B (zh) | 用以感測電氣設備使用狀態之感測器及其感測方法 | |
CN106996999A (zh) | 电感元件、室外机控制器、空调及电感电流检测方法 | |
JP2021156617A (ja) | 水位計測装置 | |
JP2009047463A (ja) | 磁気検出装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190821 Address after: Texas, USA Applicant after: Pram Underground Equipment Manufacturing Co.,Ltd. Address before: louisiana Applicant before: GE Energy Oilfield Technology, Inc. Effective date of registration: 20190821 Address after: louisiana Applicant after: GE Energy Oilfield Technology, Inc. Address before: English Language Schools Applicant before: Sondex Wireline Ltd. |
|
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170829 |