JPS545547A - Inspection system for digital current difference protective device - Google Patents

Inspection system for digital current difference protective device

Info

Publication number
JPS545547A
JPS545547A JP6987577A JP6987577A JPS545547A JP S545547 A JPS545547 A JP S545547A JP 6987577 A JP6987577 A JP 6987577A JP 6987577 A JP6987577 A JP 6987577A JP S545547 A JPS545547 A JP S545547A
Authority
JP
Japan
Prior art keywords
protective device
inspection system
current difference
digital current
inspection
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
Application number
JP6987577A
Other languages
Japanese (ja)
Inventor
Haruo Nohara
Junichi Makino
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 JP6987577A priority Critical patent/JPS545547A/en
Publication of JPS545547A publication Critical patent/JPS545547A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To provide no follow up operation of delay in working time even for a fault taking place during inspection, by means of processing an inspection and regular protective element treatment during the inspection.
COPYRIGHT: (C)1979,JPO&Japio
JP6987577A 1977-06-15 1977-06-15 Inspection system for digital current difference protective device Pending JPS545547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6987577A JPS545547A (en) 1977-06-15 1977-06-15 Inspection system for digital current difference protective device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6987577A JPS545547A (en) 1977-06-15 1977-06-15 Inspection system for digital current difference protective device

Publications (1)

Publication Number Publication Date
JPS545547A true JPS545547A (en) 1979-01-17

Family

ID=13415386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6987577A Pending JPS545547A (en) 1977-06-15 1977-06-15 Inspection system for digital current difference protective device

Country Status (1)

Country Link
JP (1) JPS545547A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5863999U (en) * 1981-10-23 1983-04-28 株式会社キンダイ Automatic cutting blade adjustment device for slitter
JPS5942217A (en) * 1982-08-13 1984-03-08 フオルメル・ベルケ・マシ−ネンフアブリク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Device for positioning saw edge of saw working machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5863999U (en) * 1981-10-23 1983-04-28 株式会社キンダイ Automatic cutting blade adjustment device for slitter
JPS5942217A (en) * 1982-08-13 1984-03-08 フオルメル・ベルケ・マシ−ネンフアブリク・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Device for positioning saw edge of saw working machine

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