JPS5396428A - Transformer for earthing resistance measuring device - Google Patents

Transformer for earthing resistance measuring device

Info

Publication number
JPS5396428A
JPS5396428A JP1054277A JP1054277A JPS5396428A JP S5396428 A JPS5396428 A JP S5396428A JP 1054277 A JP1054277 A JP 1054277A JP 1054277 A JP1054277 A JP 1054277A JP S5396428 A JPS5396428 A JP S5396428A
Authority
JP
Japan
Prior art keywords
transformer
measuring device
resistance measuring
earthing resistance
cores
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.)
Granted
Application number
JP1054277A
Other languages
Japanese (ja)
Other versions
JPS5949547B2 (en
Inventor
Ryuzo Nakazawa
Noriyoshi Ono
Nobuo Nakajima
Akihisa Hashimoto
Eiji Hayashi
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.)
Yokogawa Electric Corp
Tokyo Electric Power Company Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works Ltd
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 Tokyo Electric Power Co Inc, Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP52010542A priority Critical patent/JPS5949547B2/en
Publication of JPS5396428A publication Critical patent/JPS5396428A/en
Publication of JPS5949547B2 publication Critical patent/JPS5949547B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate the effect of external magnetic field and of interference on cores wound with pouring coils and on cores wound with detecting coils, by putting these cores into separated shield rooms constituted in one body.
COPYRIGHT: (C)1978,JPO&Japio
JP52010542A 1977-02-02 1977-02-02 Transformer for earth resistance measuring device Expired JPS5949547B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52010542A JPS5949547B2 (en) 1977-02-02 1977-02-02 Transformer for earth resistance measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52010542A JPS5949547B2 (en) 1977-02-02 1977-02-02 Transformer for earth resistance measuring device

Publications (2)

Publication Number Publication Date
JPS5396428A true JPS5396428A (en) 1978-08-23
JPS5949547B2 JPS5949547B2 (en) 1984-12-03

Family

ID=11753138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52010542A Expired JPS5949547B2 (en) 1977-02-02 1977-02-02 Transformer for earth resistance measuring device

Country Status (1)

Country Link
JP (1) JPS5949547B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5473975U (en) * 1977-11-04 1979-05-25
JPS553711U (en) * 1978-06-21 1980-01-11
JPS553710U (en) * 1978-06-21 1980-01-11
JPS5865575U (en) * 1981-10-28 1983-05-04 高周波熱錬株式会社 Current transformer for high frequency large current measurement
JPH08220141A (en) * 1995-02-15 1996-08-30 Multi Keisokki Kk Split dc zero-phase current transformer
JP2007309732A (en) * 2006-05-17 2007-11-29 Hioki Ee Corp Magnetic sensor and current measurement apparatus
JP2010203874A (en) * 2009-03-03 2010-09-16 Hioki Ee Corp Device for measuring resistance
JP2013231625A (en) * 2012-04-27 2013-11-14 Hioki Ee Corp Clamping impedance measuring device
US8914249B2 (en) 2008-06-30 2014-12-16 Hioki Denki Kabushiki Kaisha Resistance measuring apparatus
JP2021530683A (en) * 2018-07-02 2021-11-11 フルークコーポレイションFluke Corporation Current transformer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62119325U (en) * 1986-01-20 1987-07-29
JPH0664757A (en) * 1992-08-20 1994-03-08 Shimamura Haguruma Seisakusho:Kk Loading/unloading device for truck

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616384A (en) * 1979-07-20 1981-02-17 Dainippon Printing Co Ltd Transmissive type color television apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616384A (en) * 1979-07-20 1981-02-17 Dainippon Printing Co Ltd Transmissive type color television apparatus

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5473975U (en) * 1977-11-04 1979-05-25
JPS553711U (en) * 1978-06-21 1980-01-11
JPS553710U (en) * 1978-06-21 1980-01-11
JPS5865575U (en) * 1981-10-28 1983-05-04 高周波熱錬株式会社 Current transformer for high frequency large current measurement
JPS6313497Y2 (en) * 1981-10-28 1988-04-16
JPH08220141A (en) * 1995-02-15 1996-08-30 Multi Keisokki Kk Split dc zero-phase current transformer
JP2007309732A (en) * 2006-05-17 2007-11-29 Hioki Ee Corp Magnetic sensor and current measurement apparatus
JP4648241B2 (en) * 2006-05-17 2011-03-09 日置電機株式会社 Magnetic sensor and current measuring device
US8914249B2 (en) 2008-06-30 2014-12-16 Hioki Denki Kabushiki Kaisha Resistance measuring apparatus
JP2010203874A (en) * 2009-03-03 2010-09-16 Hioki Ee Corp Device for measuring resistance
JP2013231625A (en) * 2012-04-27 2013-11-14 Hioki Ee Corp Clamping impedance measuring device
JP2021530683A (en) * 2018-07-02 2021-11-11 フルークコーポレイションFluke Corporation Current transformer
EP3819923A4 (en) * 2018-07-02 2022-04-06 Fluke Corporation Current transformer

Also Published As

Publication number Publication date
JPS5949547B2 (en) 1984-12-03

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