JPS5273350A - Automatic inspection system for difference current carrier protector r elay - Google Patents

Automatic inspection system for difference current carrier protector r elay

Info

Publication number
JPS5273350A
JPS5273350A JP50149527A JP14952775A JPS5273350A JP S5273350 A JPS5273350 A JP S5273350A JP 50149527 A JP50149527 A JP 50149527A JP 14952775 A JP14952775 A JP 14952775A JP S5273350 A JPS5273350 A JP S5273350A
Authority
JP
Japan
Prior art keywords
automatic inspection
elay
inspection system
difference current
current carrier
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
JP50149527A
Other languages
Japanese (ja)
Other versions
JPS5917602B2 (en
Inventor
Seishi Nomura
Eizaburo Sako
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50149527A priority Critical patent/JPS5917602B2/en
Publication of JPS5273350A publication Critical patent/JPS5273350A/en
Publication of JPS5917602B2 publication Critical patent/JPS5917602B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To enable an automatic inspection in a wide range incruding modulation and demodulation part without affectinga remote office, , by adding a gate circuit to a local office frequency voltage convertor to operate an inversion by an external instruction of automatic inspection.
COPYRIGHT: (C)1977,JPO&Japio
JP50149527A 1975-12-17 1975-12-17 How do I get started? Expired JPS5917602B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50149527A JPS5917602B2 (en) 1975-12-17 1975-12-17 How do I get started?

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50149527A JPS5917602B2 (en) 1975-12-17 1975-12-17 How do I get started?

Publications (2)

Publication Number Publication Date
JPS5273350A true JPS5273350A (en) 1977-06-20
JPS5917602B2 JPS5917602B2 (en) 1984-04-23

Family

ID=15477074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50149527A Expired JPS5917602B2 (en) 1975-12-17 1975-12-17 How do I get started?

Country Status (1)

Country Link
JP (1) JPS5917602B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015523231A (en) * 2012-04-26 2015-08-13 コミサーリャ ア レナジー アトミック エー オー エナジー アルタナティブCommissariat Al’Energie Atomique Et Aux Energiesalternatives Multilayer materials that are oxidation resistant in a nuclear environment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015523231A (en) * 2012-04-26 2015-08-13 コミサーリャ ア レナジー アトミック エー オー エナジー アルタナティブCommissariat Al’Energie Atomique Et Aux Energiesalternatives Multilayer materials that are oxidation resistant in a nuclear environment

Also Published As

Publication number Publication date
JPS5917602B2 (en) 1984-04-23

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