JPS5243959A - Digital differential relay device - Google Patents

Digital differential relay device

Info

Publication number
JPS5243959A
JPS5243959A JP50118759A JP11875975A JPS5243959A JP S5243959 A JPS5243959 A JP S5243959A JP 50118759 A JP50118759 A JP 50118759A JP 11875975 A JP11875975 A JP 11875975A JP S5243959 A JPS5243959 A JP S5243959A
Authority
JP
Japan
Prior art keywords
relay device
differential relay
digital differential
precision
calculation
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
JP50118759A
Other languages
Japanese (ja)
Inventor
Yoshiji Nii
Takayuki Matsuda
Hiroshi Sasaki
Haruo Nohara
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
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
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 Tokyo Electric Power Co Inc, Hitachi Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP50118759A priority Critical patent/JPS5243959A/en
Publication of JPS5243959A publication Critical patent/JPS5243959A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: In calculation of operating power in which precision in needed, squaremean method is used, and in calculation in which precision is not needed comparatively, addition-mean method is used, and then, in shorter treating time, high precision operation is made.
COPYRIGHT: (C)1977,JPO&Japio
JP50118759A 1975-10-03 1975-10-03 Digital differential relay device Pending JPS5243959A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50118759A JPS5243959A (en) 1975-10-03 1975-10-03 Digital differential relay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50118759A JPS5243959A (en) 1975-10-03 1975-10-03 Digital differential relay device

Publications (1)

Publication Number Publication Date
JPS5243959A true JPS5243959A (en) 1977-04-06

Family

ID=14744344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50118759A Pending JPS5243959A (en) 1975-10-03 1975-10-03 Digital differential relay device

Country Status (1)

Country Link
JP (1) JPS5243959A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52128493A (en) * 1976-04-16 1977-10-27 Unitika Ltd Improvement of shrinkability
JP2010110150A (en) * 2008-10-31 2010-05-13 Toshiba Corp Protective relay device and transmission level control method therefor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50113747A (en) * 1974-02-20 1975-09-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50113747A (en) * 1974-02-20 1975-09-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52128493A (en) * 1976-04-16 1977-10-27 Unitika Ltd Improvement of shrinkability
JP2010110150A (en) * 2008-10-31 2010-05-13 Toshiba Corp Protective relay device and transmission level control method therefor

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