CA2951382C - Three-dimensional surface potential distribution measurement apparatus - Google Patents

Three-dimensional surface potential distribution measurement apparatus Download PDF

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Publication number
CA2951382C
CA2951382C CA2951382A CA2951382A CA2951382C CA 2951382 C CA2951382 C CA 2951382C CA 2951382 A CA2951382 A CA 2951382A CA 2951382 A CA2951382 A CA 2951382A CA 2951382 C CA2951382 C CA 2951382C
Authority
CA
Canada
Prior art keywords
pockels crystal
electric field
face
surface potential
laser light
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
Application number
CA2951382A
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English (en)
French (fr)
Other versions
CA2951382A1 (en
Inventor
Masaaki Furukawa
Kodai USHIWATA
Tetsuo YOSHIMITSU
Yuichi Tsuboi
Kunihiko Hidaka
Akiko KUMADA
Hisatoshi Ikeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Mitsubishi Electric Industrial Systems Corp
The University of Tokyo
Original Assignee
Toshiba Mitsubishi Electric Industrial Systems Corp
The University of Tokyo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Mitsubishi Electric Industrial Systems Corp, The University of Tokyo filed Critical Toshiba Mitsubishi Electric Industrial Systems Corp
Publication of CA2951382A1 publication Critical patent/CA2951382A1/en
Application granted granted Critical
Publication of CA2951382C publication Critical patent/CA2951382C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
    • G01R15/242—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption based on the Pockels effect, i.e. linear electro-optic effect
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/12—Measuring electrostatic fields or voltage-potential
    • G01R29/14—Measuring field distribution
    • 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
    • G01R31/34—Testing dynamo-electric machines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CA2951382A 2014-06-06 2014-06-06 Three-dimensional surface potential distribution measurement apparatus Active CA2951382C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/003053 WO2015186160A1 (ja) 2014-06-06 2014-06-06 ３次元表面電位分布計測装置

Publications (2)

Publication Number Publication Date
CA2951382A1 CA2951382A1 (en) 2015-12-10
CA2951382C true CA2951382C (en) 2018-11-20

Family

ID=54766265

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2951382A Active CA2951382C (en) 2014-06-06 2014-06-06 Three-dimensional surface potential distribution measurement apparatus

Country Status (7)

Country Link
US (1) US10041980B2 (cg-RX-API-DMAC7.html)
EP (1) EP3153870B1 (cg-RX-API-DMAC7.html)
JP (1) JP6246349B2 (cg-RX-API-DMAC7.html)
CN (1) CN106461707B (cg-RX-API-DMAC7.html)
BR (1) BR112016027835B1 (cg-RX-API-DMAC7.html)
CA (1) CA2951382C (cg-RX-API-DMAC7.html)
WO (1) WO2015186160A1 (cg-RX-API-DMAC7.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10812778B1 (en) 2015-11-09 2020-10-20 Cognex Corporation System and method for calibrating one or more 3D sensors mounted on a moving manipulator
US10757394B1 (en) * 2015-11-09 2020-08-25 Cognex Corporation System and method for calibrating a plurality of 3D sensors with respect to a motion conveyance
US11562502B2 (en) * 2015-11-09 2023-01-24 Cognex Corporation System and method for calibrating a plurality of 3D sensors with respect to a motion conveyance
US20180374239A1 (en) * 2015-11-09 2018-12-27 Cognex Corporation System and method for field calibration of a vision system imaging two opposite sides of a calibration object
EP3415933B1 (en) * 2016-02-08 2024-08-07 TMEIC Corporation Three-dimensional surface potential distribution measurement system
WO2018035313A1 (en) * 2016-08-17 2018-02-22 Micatu Inc. An optical pockels voltage sensor assembly device and methods of use thereof
CN109200468B (zh) * 2018-10-22 2023-09-05 中国科学院心理研究所 一种多通道电刺激场强空间分布测量装置
CN113009242B (zh) * 2021-02-25 2022-10-04 西安理工大学 一种阵列式磁通门表面电势分布及衰减的测量装置及方法
CN115877114B (zh) * 2023-02-20 2023-08-25 极限人工智能有限公司 一种电动地脚支撑测试设备及测试方法
CN121091003B (zh) * 2025-09-26 2026-05-26 珠海市玖晟电力科技有限公司 一种开关柜局部放电检测装置及方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
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JPS5735765A (en) * 1980-08-14 1982-02-26 Toshiba Corp Electric field intensity measuring device
FI915818A0 (fi) * 1991-12-11 1991-12-11 Imatran Voima Oy Optisk rf-givare foer maetning av spaenning och elfaelt.
DE4205509A1 (de) * 1992-02-24 1993-08-26 Mwb Pruefsysteme Gmbh Verfahren und sensor zum messen von elektrischen spannungen und/oder elektrischen feldstaerken
JPH06102296A (ja) * 1992-09-21 1994-04-15 Nippon Steel Corp 電圧分布測定装置
JP2630222B2 (ja) * 1993-09-20 1997-07-16 日本電気株式会社 Ｓａｒ測定装置および測定方法
JP3501016B2 (ja) * 1999-06-10 2004-02-23 Ｊｆｅスチール株式会社 電動機固定子鉄心の動的磁気特性測定装置および測定方法
JP2000352597A (ja) * 1999-06-10 2000-12-19 Toshiba Corp 原子力発電プラントおよびその運転方法
JP2005140588A (ja) * 2003-11-05 2005-06-02 Toshiba Corp 光学式表面電位測定装置および測定方法
JP4635544B2 (ja) * 2004-09-29 2011-02-23 株式会社日立製作所 電界分布測定方法及び電界分布測定装置
CN101393239B (zh) * 2008-10-20 2012-07-04 西南大学 物质表面性质参数分析系统
JP5072916B2 (ja) * 2009-07-16 2012-11-14 株式会社日立製作所 回転電機の固定子コイルの非線形抵抗測定方法、および、非線形抵抗測定装置
JP6192890B2 (ja) * 2011-11-25 2017-09-06 東芝三菱電機産業システム株式会社 表面電位分布計測装置および表面電位分布計測方法
CN202453298U (zh) * 2012-01-16 2012-09-26 无锡迈福光学科技有限公司 一种基于激光散射的表面微缺陷检测装置
CN102706951B (zh) * 2012-05-30 2014-03-19 神华集团有限责任公司 测定液液两相界面表面电位的方法
CN103454315B (zh) * 2013-09-16 2016-01-20 中国科学院空间科学与应用研究中心 一种测量航天器介质材料深层充电特征参数的装置及方法

Also Published As

Publication number Publication date
EP3153870B1 (en) 2019-09-25
EP3153870A4 (en) 2018-03-28
CA2951382A1 (en) 2015-12-10
CN106461707A (zh) 2017-02-22
JPWO2015186160A1 (ja) 2017-04-20
BR112016027835A2 (cg-RX-API-DMAC7.html) 2017-08-22
EP3153870A1 (en) 2017-04-12
WO2015186160A1 (ja) 2015-12-10
CN106461707B (zh) 2019-03-05
US10041980B2 (en) 2018-08-07
US20170160314A1 (en) 2017-06-08
JP6246349B2 (ja) 2017-12-13
BR112016027835B1 (pt) 2022-01-25

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