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ES8602309A1 - Un metodo de detectar la proximidad de un objeto a una linea electrica que tenga una tension alterna - Google Patents

Un metodo de detectar la proximidad de un objeto a una linea electrica que tenga una tension alterna

Info

Publication number
ES8602309A1
ES8602309A1 ES537320A ES537320A ES8602309A1 ES 8602309 A1 ES8602309 A1 ES 8602309A1 ES 537320 A ES537320 A ES 537320A ES 537320 A ES537320 A ES 537320A ES 8602309 A1 ES8602309 A1 ES 8602309A1
Authority
ES
Spain
Prior art keywords
measuring
conditioning circuit
electrical power
power lines
coded signal
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.)
Expired
Application number
ES537320A
Other languages
English (en)
Other versions
ES537320A0 (es
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.)
Hydro Quebec
Original Assignee
Hydro Quebec
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 Hydro Quebec filed Critical Hydro Quebec
Publication of ES537320A0 publication Critical patent/ES537320A0/es
Publication of ES8602309A1 publication Critical patent/ES8602309A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/0807Measuring electromagnetic field characteristics characterised by the application
    • G01R29/0814Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
    • G01R29/085Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning for detecting presence or location of electric lines or cables
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145Indicating the presence of current or voltage
    • G01R19/155Indicating the presence of voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Emergency Alarm Devices (AREA)
  • Electronic Switches (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Near-Field Transmission Systems (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Electric Cable Installation (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

UN METODO PARA DETECTAR LA PROXIMIDAD DE UN OBJETO A UNA LINEA DE ENERGIA ELECTRICA.COMPRENDE UNA ANTENA PARA RECIBIR, POR EFECTO CAPACITIVO, UNA CORRIENTE CUYA INTENSIDAD ES FUNCION DE LA DISTANCIA QUE SEPARA LA ANTENA DE LA LINEA DE ENERGIA ELECTRICA. LOS OTROS FACTORES QUE INFLUYEN EN LA CORRIENTE SON FIJOS, CONSTANTES, O SE CONSIDERAN DESPRECIABLES. UN CIRCUITO MEDIDOR Y ACONDICIONADOR CONVIERTE LA CORRIENTE DE LA SALIDA DE LA ANTENA EN UNA SEÑAL CODIFICADA, Y TRANSMITE ESTA SEÑAL CODIFICADA A UNA UNIDAD DE CONTROL. LA UNIDAD DE CONTROL COMPARA LA SEÑAL CODIFICADA CON VALORES PREDETERMINADOS ALMACENADOS EN ELLA. LAS ALARMAS SE GENERAN POR LA UNIDAD DE CONTROL CUANDO LA CORRIENTE DESDE LA ANTENA EXCEDE LOS VALORES PREDETERMINADOS.
ES537320A 1983-07-25 1984-11-02 Un metodo de detectar la proximidad de un objeto a una linea electrica que tenga una tension alterna Expired ES8602309A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000433141A CA1199386A (fr) 1983-07-25 1983-07-25 Methode et systeme de detection de proximite de lignes electriques

Publications (2)

Publication Number Publication Date
ES537320A0 ES537320A0 (es) 1985-11-01
ES8602309A1 true ES8602309A1 (es) 1985-11-01

Family

ID=4125741

Family Applications (2)

Application Number Title Priority Date Filing Date
ES531934A Granted ES531934A0 (es) 1983-07-25 1984-04-26 Una instalacion y un metodo para detectar la proximidad de un objeto a una linea de energia electrica de corriente alterna
ES537320A Expired ES8602309A1 (es) 1983-07-25 1984-11-02 Un metodo de detectar la proximidad de un objeto a una linea electrica que tenga una tension alterna

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES531934A Granted ES531934A0 (es) 1983-07-25 1984-04-26 Una instalacion y un metodo para detectar la proximidad de un objeto a una linea de energia electrica de corriente alterna

Country Status (13)

Country Link
EP (1) EP0134943B1 (es)
JP (2) JPS6039313A (es)
KR (1) KR910002793B1 (es)
AT (1) ATE41708T1 (es)
AU (1) AU566331B2 (es)
BR (1) BR8403757A (es)
CA (1) CA1199386A (es)
DE (1) DE3477424D1 (es)
ES (2) ES531934A0 (es)
GR (1) GR81475B (es)
IN (1) IN161136B (es)
MX (1) MX158866A (es)
NZ (1) NZ207838A (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0324217A1 (en) * 1988-01-13 1989-07-19 Texaco Development Corporation Safety system and method
AU597035B2 (en) * 1986-03-07 1990-05-24 Nec Corporation Mobile receiver unit having function for providing information of electric field intensity
US4755805A (en) * 1986-05-22 1988-07-05 Flowmole Corporation Current sensing alarm arrangement for monitoring the presence of high voltage
GB8623843D0 (en) * 1986-10-03 1987-10-21 Airtech Ltd Detection of unsafe voltages on mobile equipment
FR2616549B1 (fr) * 1987-06-10 1989-10-27 Bardin Dispositif de detection et de mesure de defauts de transmission de l'energie electrique dans les lignes polyphasees equilibrees
GB2217026A (en) * 1988-01-20 1989-10-18 Trolex Limited Voltage sensor
SE9704816L (sv) * 1997-12-22 1999-04-19 Ep International Ab Sätt och anordning för att fånga upp och behandla elektriska signaler
KR100317692B1 (ko) * 1998-10-02 2001-12-22 도나휴 데니스 비. 폴 경보 시스템
KR100538853B1 (ko) * 2002-10-15 2005-12-23 엘지전자 주식회사 광디스크 장치에서의 텔레비전 주사방식에 따른 출력신호처리방법
CN101819227A (zh) * 2010-03-10 2010-09-01 国网电力科学研究院 800kV特高压直流非接触多通道测距式验电器
CN101833046A (zh) * 2010-05-27 2010-09-15 国网电力科学研究院 特高压交流非接触测距式验电方法
CN101876673A (zh) * 2010-05-27 2010-11-03 国网电力科学研究院 特高压直流非接触测距式验电方法
CN103344818B (zh) * 2013-06-19 2015-11-18 国家电网公司 非接触式验电器和验电方法
CN107941273B (zh) * 2017-11-15 2022-01-18 国网湖南省电力公司检修公司 一种带电作业安全预警方法和装置
DE102020134199A1 (de) 2020-12-18 2022-06-23 PEEK GmbH Verfahren und vorrichtung zur detektion von elektrischen spannungen und/oder elektrischen strömen
CN113872152B (zh) * 2021-12-01 2022-04-05 国网山东省电力公司高密市供电公司 一种电力电子监护系统及其工作方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774110A (en) * 1971-11-05 1973-11-20 Woodhead Inc Static electric field detector
AU502946B2 (en) * 1976-07-08 1979-08-16 Crane Products Mfg Co. Inc. Proximity alarm
IT1153796B (it) * 1980-04-03 1987-01-21 Marco Bini Segnalatore di rischio da campi elettrici o magnetici a radiofrequenza

Also Published As

Publication number Publication date
CA1199386A (fr) 1986-01-14
GR81475B (es) 1984-12-11
ES8506905A1 (es) 1985-08-01
JPS6039313A (ja) 1985-03-01
KR850001637A (ko) 1985-03-30
EP0134943A1 (en) 1985-03-27
IN161136B (es) 1987-10-10
AU2708284A (en) 1985-01-31
DE3477424D1 (en) 1989-04-27
ES537320A0 (es) 1985-11-01
NZ207838A (en) 1987-10-30
JPH01166433U (es) 1989-11-21
BR8403757A (pt) 1985-07-02
ES531934A0 (es) 1985-08-01
KR910002793B1 (ko) 1991-05-04
EP0134943B1 (en) 1989-03-22
MX158866A (es) 1989-03-22
ATE41708T1 (de) 1989-04-15
AU566331B2 (en) 1987-10-15

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506