JPS52103656A - Protection relay - Google Patents

Protection relay

Info

Publication number
JPS52103656A
JPS52103656A JP2006076A JP2006076A JPS52103656A JP S52103656 A JPS52103656 A JP S52103656A JP 2006076 A JP2006076 A JP 2006076A JP 2006076 A JP2006076 A JP 2006076A JP S52103656 A JPS52103656 A JP S52103656A
Authority
JP
Japan
Prior art keywords
protection relay
value
amplitude
subtraction
precision
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.)
Granted
Application number
JP2006076A
Other languages
Japanese (ja)
Other versions
JPS6019207B2 (en
Inventor
Fumio Ando
Tetsuo Matsushima
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 JP51020060A priority Critical patent/JPS6019207B2/en
Publication of JPS52103656A publication Critical patent/JPS52103656A/en
Publication of JPS6019207B2 publication Critical patent/JPS6019207B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To provide a value of amplitude with a precision of 0.97% by using two sampling value of minimum necessity to calculate a value of amplitude only by a process of addition and subtraction.
COPYRIGHT: (C)1977,JPO&Japio
JP51020060A 1976-02-27 1976-02-27 Amplitude value calculation device Expired JPS6019207B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51020060A JPS6019207B2 (en) 1976-02-27 1976-02-27 Amplitude value calculation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51020060A JPS6019207B2 (en) 1976-02-27 1976-02-27 Amplitude value calculation device

Publications (2)

Publication Number Publication Date
JPS52103656A true JPS52103656A (en) 1977-08-31
JPS6019207B2 JPS6019207B2 (en) 1985-05-15

Family

ID=12016521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51020060A Expired JPS6019207B2 (en) 1976-02-27 1976-02-27 Amplitude value calculation device

Country Status (1)

Country Link
JP (1) JPS6019207B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57149969A (en) * 1981-03-12 1982-09-16 Nissin Electric Co Ltd Crest value detector
JPS6189561A (en) * 1984-10-08 1986-05-07 Toshiba Corp Apparatus for operating amplitude value

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57149969A (en) * 1981-03-12 1982-09-16 Nissin Electric Co Ltd Crest value detector
JPH0325750B2 (en) * 1981-03-12 1991-04-08 Nissin Electric Co Ltd
JPS6189561A (en) * 1984-10-08 1986-05-07 Toshiba Corp Apparatus for operating amplitude value

Also Published As

Publication number Publication date
JPS6019207B2 (en) 1985-05-15

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