JPS536854A - Digital protective relay inspection system - Google Patents

Digital protective relay inspection system

Info

Publication number
JPS536854A
JPS536854A JP8139676A JP8139676A JPS536854A JP S536854 A JPS536854 A JP S536854A JP 8139676 A JP8139676 A JP 8139676A JP 8139676 A JP8139676 A JP 8139676A JP S536854 A JPS536854 A JP S536854A
Authority
JP
Japan
Prior art keywords
protective relay
inspection system
digital protective
relay inspection
inspection data
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
JP8139676A
Other languages
Japanese (ja)
Inventor
Yoshiji Nii
Katsushi Nakagawa
Toshihisa Funahashi
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.)
Meidensha Electric Manufacturing Co Ltd
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Meidensha Electric Manufacturing 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 Tokyo Electric Power Co Inc, Meidensha Electric Manufacturing Co Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP8139676A priority Critical patent/JPS536854A/en
Publication of JPS536854A publication Critical patent/JPS536854A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE:To permit inspection without interruption of protective function of protective relay by storing known inspection data, with which the results of operation can be estimated, and determining the output of an operational circuit by means of this inspection data.
JP8139676A 1976-07-07 1976-07-07 Digital protective relay inspection system Pending JPS536854A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8139676A JPS536854A (en) 1976-07-07 1976-07-07 Digital protective relay inspection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8139676A JPS536854A (en) 1976-07-07 1976-07-07 Digital protective relay inspection system

Publications (1)

Publication Number Publication Date
JPS536854A true JPS536854A (en) 1978-01-21

Family

ID=13745133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8139676A Pending JPS536854A (en) 1976-07-07 1976-07-07 Digital protective relay inspection system

Country Status (1)

Country Link
JP (1) JPS536854A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3325985A1 (en) * 1982-07-20 1984-02-02 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa ELECTRIC MOTOR UNIT
US4512626A (en) * 1982-06-24 1985-04-23 Tokyo Shibaura Denki Kabushiki Kaisha Rotating mirror scanner
JPS62131737A (en) * 1985-12-03 1987-06-15 Ntn Toyo Bearing Co Ltd motor spindle
US5434695A (en) * 1992-04-21 1995-07-18 Hitachi Koki Co., Ltd. Dynamic pressure bearing and rotary polygon mirror device with the bearing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4512626A (en) * 1982-06-24 1985-04-23 Tokyo Shibaura Denki Kabushiki Kaisha Rotating mirror scanner
DE3325985A1 (en) * 1982-07-20 1984-02-02 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa ELECTRIC MOTOR UNIT
US4523800A (en) * 1982-07-20 1985-06-18 Tokyo Shibaura Denki Kabushiki Kaisha Polygonal mirror optical deflector
DE3325985C2 (en) * 1982-07-20 1987-02-05 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa Polygon mirror deflection device with an electric motor unit
JPS62131737A (en) * 1985-12-03 1987-06-15 Ntn Toyo Bearing Co Ltd motor spindle
US5434695A (en) * 1992-04-21 1995-07-18 Hitachi Koki Co., Ltd. Dynamic pressure bearing and rotary polygon mirror device with the bearing

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