JPS5714755A - Method of reducing effect due to quantization error of digital processing locator - Google Patents

Method of reducing effect due to quantization error of digital processing locator

Info

Publication number
JPS5714755A
JPS5714755A JP9010680A JP9010680A JPS5714755A JP S5714755 A JPS5714755 A JP S5714755A JP 9010680 A JP9010680 A JP 9010680A JP 9010680 A JP9010680 A JP 9010680A JP S5714755 A JPS5714755 A JP S5714755A
Authority
JP
Japan
Prior art keywords
circuit
output
quantization error
effect due
comparator
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
JP9010680A
Other languages
English (en)
Other versions
JPH0312261B2 (ja
Inventor
Koji Maeda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP9010680A priority Critical patent/JPS5714755A/ja
Priority to US06/277,506 priority patent/US4459545A/en
Priority to FR8112741A priority patent/FR2485741B1/fr
Priority to GB8120090A priority patent/GB2085680B/en
Publication of JPS5714755A publication Critical patent/JPS5714755A/ja
Publication of JPH0312261B2 publication Critical patent/JPH0312261B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/088—Aspects of digital computing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Locating Faults (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP9010680A 1980-06-30 1980-06-30 Method of reducing effect due to quantization error of digital processing locator Granted JPS5714755A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9010680A JPS5714755A (en) 1980-06-30 1980-06-30 Method of reducing effect due to quantization error of digital processing locator
US06/277,506 US4459545A (en) 1980-06-30 1981-06-26 Apparatus for detecting a current peak value and a voltage peak value
FR8112741A FR2485741B1 (fr) 1980-06-30 1981-06-29 Appareil de detection de la valeur de crete d'une intensite et de la valeur de crete d'une tension
GB8120090A GB2085680B (en) 1980-06-30 1981-06-30 Apparatus for detecting a current peak value and a voltage peak value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9010680A JPS5714755A (en) 1980-06-30 1980-06-30 Method of reducing effect due to quantization error of digital processing locator

Publications (2)

Publication Number Publication Date
JPS5714755A true JPS5714755A (en) 1982-01-26
JPH0312261B2 JPH0312261B2 (ja) 1991-02-19

Family

ID=13989260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9010680A Granted JPS5714755A (en) 1980-06-30 1980-06-30 Method of reducing effect due to quantization error of digital processing locator

Country Status (4)

Country Link
US (1) US4459545A (ja)
JP (1) JPS5714755A (ja)
FR (1) FR2485741B1 (ja)
GB (1) GB2085680B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2535462A1 (fr) * 1982-10-29 1984-05-04 Labo Electronique Physique Circuit numerique de mesure de la frequence instantanee d'un signal module ou non en frequence, ainsi que recepteur de television ou de radio equipe d'un tel circuit
US4851782A (en) * 1987-01-15 1989-07-25 Jeerings Donald I High impedance fault analyzer in electric power distribution
AU603871B2 (en) * 1987-03-03 1990-11-29 Mitsubishi Denki Kabushiki Kaisha Digital locator
DE4125446A1 (de) * 1991-08-01 1993-02-04 Uwe Dipl Ing Behmann Verfahren und einrichtung zur elektrischen kurzschlusspruefung und -ortung fuer leitungen, insbesondere fuer fahrleitungen elektrischer bahnen
SE501936C2 (sv) * 1993-09-28 1995-06-26 Asea Brown Boveri Förfarande för att efter det att ett fel har inträffat i ett kraftnät mäta och återskapa fasströmmarna samt anordning för genomförande av det nämnda förfarandet
US8680872B2 (en) * 2009-09-29 2014-03-25 International Business Machines Corporation Identification of false positives in high impedance fault detection
CN104865432B (zh) * 2014-02-20 2018-03-13 南京南瑞继保电气有限公司 一种计算振荡中心电压的方法及装置
CN110446286B (zh) * 2018-05-03 2021-12-21 佛山市顺德区美的电热电器制造有限公司 电磁加热烹饪器具及其控制方法、装置
CN111879981B (zh) * 2020-07-30 2022-08-26 杭州永川科技有限公司 单音信号过载的补偿方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4942713B1 (ja) * 1970-11-09 1974-11-16
DE2264064A1 (de) * 1972-12-29 1974-07-04 Siemens Ag Distanzschutzeinrichtung
CH565468A5 (ja) * 1973-01-31 1975-08-15 Bbc Brown Boveri & Cie
US4006348A (en) * 1973-10-01 1977-02-01 Tokyo Denryoku Kabushiki Kaisha Apparatus for monitoring two electric quantities by combining three consecutive samples of each quantity
US4281386A (en) * 1979-08-01 1981-07-28 Tokyo Shibaura Denki Kabushiki Kaisha Systems for detecting faults in electric power systems

Also Published As

Publication number Publication date
GB2085680A (en) 1982-04-28
JPH0312261B2 (ja) 1991-02-19
FR2485741A1 (fr) 1981-12-31
GB2085680B (en) 1983-06-29
US4459545A (en) 1984-07-10
FR2485741B1 (fr) 1985-10-18

Similar Documents

Publication Publication Date Title
EP0007729A1 (en) Low pass digital averaging filter and method of recovering a low frequency component of a composite analog waveform
KR880001085A (ko) 디지탈 연산형 차동계전기
JPS5714755A (en) Method of reducing effect due to quantization error of digital processing locator
JPS5596746A (en) Adaptive signal discrimination unit
JPS57132461A (en) Converter for binary data code
JPS5746573A (en) Picture signal processing device
JPS56147260A (en) Lsi for digital signal processing
EP0308008A3 (en) A method of and a circuit arrangement for processing sampled analogue electrical signals
JPS5748845A (en) Data signal detecting circuit
JPS56157577A (en) Signal procession device
IT1170277B (it) Complesso a sorgente di corrente di precisione
JPS5346785A (en) Phase discriminator circuit
JPS6427380A (en) Inter-frame coding system
KR960706169A (ko) 부호화 방법 및 장치(Method and Apparatus for Encoding)
JPS56140281A (en) Electronic timepiece
JPS55116220A (en) Processing of output of electromagnetic type flow meter
JPS57157372A (en) Operation error correcting method
SU1476500A1 (ru) Устройство дл ранговой обработки электрических сигналов
JPS5684564A (en) Reactive power meter
RU2060586C1 (ru) Преобразователь напряжения в интервал времени
JPS57556A (en) Digital amplitude detecting circuit
JPS5571315A (en) Limit cycle reduction system of digital filter
JPS52143458A (en) Digital type trouble point decision system
JPS5383049A (en) Digital protective relay
JPS57165766A (en) Frequency detection system