JPS54125448A - Pilot wire protective relay device - Google Patents

Pilot wire protective relay device

Info

Publication number
JPS54125448A
JPS54125448A JP3309578A JP3309578A JPS54125448A JP S54125448 A JPS54125448 A JP S54125448A JP 3309578 A JP3309578 A JP 3309578A JP 3309578 A JP3309578 A JP 3309578A JP S54125448 A JPS54125448 A JP S54125448A
Authority
JP
Japan
Prior art keywords
switching
pilot wire
insulating
danger
high voltage
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
JP3309578A
Other languages
English (en)
Inventor
Kiwamu Ito
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 Engineering Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Engineering Co Ltd
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 Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Engineering Co Ltd
Priority to JP3309578A priority Critical patent/JPS54125448A/ja
Publication of JPS54125448A publication Critical patent/JPS54125448A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
JP3309578A 1978-03-24 1978-03-24 Pilot wire protective relay device Pending JPS54125448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3309578A JPS54125448A (en) 1978-03-24 1978-03-24 Pilot wire protective relay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3309578A JPS54125448A (en) 1978-03-24 1978-03-24 Pilot wire protective relay device

Publications (1)

Publication Number Publication Date
JPS54125448A true JPS54125448A (en) 1979-09-28

Family

ID=12377096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3309578A Pending JPS54125448A (en) 1978-03-24 1978-03-24 Pilot wire protective relay device

Country Status (1)

Country Link
JP (1) JPS54125448A (ja)

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