JPS5442633A - Protective relaying system - Google Patents

Protective relaying system

Info

Publication number
JPS5442633A
JPS5442633A JP9940778A JP9940778A JPS5442633A JP S5442633 A JPS5442633 A JP S5442633A JP 9940778 A JP9940778 A JP 9940778A JP 9940778 A JP9940778 A JP 9940778A JP S5442633 A JPS5442633 A JP S5442633A
Authority
JP
Japan
Prior art keywords
protective relaying
relaying system
2higher
harmonic
digit
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
JP9940778A
Other languages
Japanese (ja)
Inventor
Tomoyoshi Ochiai
Minoru Iwasaki
Takeshi Hayashi
Mitsuyasu Furuse
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 Company 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 JP9940778A priority Critical patent/JPS5442633A/en
Publication of JPS5442633A publication Critical patent/JPS5442633A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To eliminate No. 2higher harmonic having the frequency being most similar to the basic wave which is difficult to be removed thoroughly by means of a filter, by digit-processing the current value of the sampling at a specific cycle.
COPYRIGHT: (C)1979,JPO&Japio
JP9940778A 1978-08-14 1978-08-14 Protective relaying system Pending JPS5442633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9940778A JPS5442633A (en) 1978-08-14 1978-08-14 Protective relaying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9940778A JPS5442633A (en) 1978-08-14 1978-08-14 Protective relaying system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP11669473A Division JPS5444090B2 (en) 1973-10-17 1973-10-17

Publications (1)

Publication Number Publication Date
JPS5442633A true JPS5442633A (en) 1979-04-04

Family

ID=14246624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9940778A Pending JPS5442633A (en) 1978-08-14 1978-08-14 Protective relaying system

Country Status (1)

Country Link
JP (1) JPS5442633A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126867A (en) * 1989-09-29 1992-06-30 Canon Kabushiki Kaisha Liquid crystal device having insulating and alignment films wherein three ≧-CR[-2.3+ln(C/Ps)]

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5126867A (en) * 1989-09-29 1992-06-30 Canon Kabushiki Kaisha Liquid crystal device having insulating and alignment films wherein three ≧-CR[-2.3+ln(C/Ps)]

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