JPS5250546A - Direction compare relay - Google Patents

Direction compare relay

Info

Publication number
JPS5250546A
JPS5250546A JP50125957A JP12595775A JPS5250546A JP S5250546 A JPS5250546 A JP S5250546A JP 50125957 A JP50125957 A JP 50125957A JP 12595775 A JP12595775 A JP 12595775A JP S5250546 A JPS5250546 A JP S5250546A
Authority
JP
Japan
Prior art keywords
series
direction compare
relay
compare relay
eliminating
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
JP50125957A
Other languages
Japanese (ja)
Inventor
Fumio Ando
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 Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP50125957A priority Critical patent/JPS5250546A/en
Priority to CA240,392A priority patent/CA1017976A/en
Priority to US05/635,313 priority patent/US3975937A/en
Priority to DE2553580A priority patent/DE2553580C3/en
Publication of JPS5250546A publication Critical patent/JPS5250546A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: Constitution made simplified by eliminating the current limit element of each direction discriminator of one series in a case of the direction compare relay protecting the two series device provided with the first series for the general direction compare relay and the second series for the internal fault discrimination.
COPYRIGHT: (C)1977,JPO&Japio
JP50125957A 1974-11-30 1975-09-16 Direction compare relay Pending JPS5250546A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50125957A JPS5250546A (en) 1975-09-16 1975-09-16 Direction compare relay
CA240,392A CA1017976A (en) 1974-11-30 1975-11-25 Method and apparatus for supplying plugs to plug mills
US05/635,313 US3975937A (en) 1974-11-30 1975-11-26 Method and apparatus for supplying plugs to plug mills
DE2553580A DE2553580C3 (en) 1974-11-30 1975-11-28 Method and device for conveying a roll plug into the roll gap of a plug rolling mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50125957A JPS5250546A (en) 1975-09-16 1975-09-16 Direction compare relay

Publications (1)

Publication Number Publication Date
JPS5250546A true JPS5250546A (en) 1977-04-22

Family

ID=14923144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50125957A Pending JPS5250546A (en) 1974-11-30 1975-09-16 Direction compare relay

Country Status (1)

Country Link
JP (1) JPS5250546A (en)

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