DE602005016837D1 - Effekt-sensoren - Google Patents

Effekt-sensoren

Info

Publication number
DE602005016837D1
DE602005016837D1 DE602005016837T DE602005016837T DE602005016837D1 DE 602005016837 D1 DE602005016837 D1 DE 602005016837D1 DE 602005016837 T DE602005016837 T DE 602005016837T DE 602005016837 T DE602005016837 T DE 602005016837T DE 602005016837 D1 DE602005016837 D1 DE 602005016837D1
Authority
DE
Germany
Prior art keywords
harmonics
level
detecting
monitoring devices
detected
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.)
Active
Application number
DE602005016837T
Other languages
English (en)
Inventor
Lars Noergaard Bjoern
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.)
Powersense AS
Original Assignee
Powersense AS
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 Powersense AS filed Critical Powersense AS
Publication of DE602005016837D1 publication Critical patent/DE602005016837D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
    • G01R15/246—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect
    • 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
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
    • G01R33/0322—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect using the Faraday or Voigt effect
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
DE602005016837T 2004-11-18 2005-11-18 Effekt-sensoren Active DE602005016837D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62921304P 2004-11-18 2004-11-18
PCT/DK2005/000737 WO2006053567A2 (en) 2004-11-18 2005-11-18 Compensation of simple fiberoptic faraday effect sensors

Publications (1)

Publication Number Publication Date
DE602005016837D1 true DE602005016837D1 (de) 2009-11-05

Family

ID=35788439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005016837T Active DE602005016837D1 (de) 2004-11-18 2005-11-18 Effekt-sensoren

Country Status (12)

Country Link
US (3) US7683795B2 (de)
EP (1) EP1820034B1 (de)
JP (1) JP4869245B2 (de)
AT (1) ATE443873T1 (de)
AU (3) AU2005306167B8 (de)
CA (1) CA2588395A1 (de)
DE (1) DE602005016837D1 (de)
DK (1) DK1820034T3 (de)
ES (1) ES2333808T3 (de)
NZ (1) NZ555745A (de)
PL (1) PL1820034T3 (de)
WO (1) WO2006053567A2 (de)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006053567A2 (en) * 2004-11-18 2006-05-26 Nesa A/S Compensation of simple fiberoptic faraday effect sensors
US8380463B2 (en) * 2006-11-16 2013-02-19 Endress + Hauser Gmbh + Co. Kg Apparatus having a modularly constructed, measuring transducer circuit
CN101675344A (zh) 2006-11-30 2010-03-17 北方传感器公司 法拉第效应电流传感器
WO2008153419A2 (en) * 2007-06-11 2008-12-18 Whisper Tech Limited Anti-islanding system
RS50440B (sr) * 2007-07-06 2009-12-31 Miodrag HADŽIĆ Merna magnetooptička glava sa podesivim analizatorom za merenje struje na srednjim i visokim naponima
US8076923B2 (en) * 2008-05-23 2011-12-13 Consolidated Edison Company Of New York, Inc. Dead-line phase identification system and method thereof
EP2148210A1 (de) * 2008-07-21 2010-01-27 PowerSense A/S Dreiphasige optische Faraday-Stromsensoranordnung
US8120363B2 (en) 2008-11-24 2012-02-21 Cummins Power Generation Ip, Inc. Voltage drop compensation for an electric power storage device charging system
US7961112B2 (en) * 2009-01-29 2011-06-14 Osisoft, Inc. Continuous condition monitoring of transformers
EP2237057B1 (de) * 2009-04-03 2018-02-21 Siemens Aktiengesellschaft Analysevorrichtung zur Analyse eines Stromnetzes
US8395372B2 (en) * 2009-10-28 2013-03-12 Optisense Network, Llc Method for measuring current in an electric power distribution system
US9134344B2 (en) 2009-10-28 2015-09-15 Gridview Optical Solutions, Llc. Optical sensor assembly for installation on a current carrying cable
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
US10060957B2 (en) 2010-07-29 2018-08-28 Power Monitors, Inc. Method and apparatus for a cloud-based power quality monitor
US8775109B2 (en) * 2010-07-29 2014-07-08 Power Monitors, Inc. Method and apparatus for a demand management monitoring system
JP5561831B2 (ja) * 2010-09-18 2014-07-30 一般財団法人東北電気保安協会 変圧器内部故障検出装置
CN101975911B (zh) * 2010-10-12 2012-06-13 思源电气股份有限公司 用于架空线路故障指示器的接地故障判定方法
US20120092114A1 (en) * 2010-10-15 2012-04-19 Matthews Kenneth R Power transformer condition monitor
US8477057B2 (en) 2011-07-25 2013-07-02 General Electric Company Systems, methods, and apparatus for sensing AC voltage
EP2555141A1 (de) * 2011-08-03 2013-02-06 Alcatel Lucent Verfahren, System, Server, Steuerungselement, Computerprogramm und Computerprogrammprodukt zum Betrieb eines Stromversorgungsnetzes mit dezentralisierten Steuerungselementen
WO2013113627A1 (en) * 2012-01-31 2013-08-08 Siemens Aktiengesellschaft Fault detection in subsea power cables
US10209751B2 (en) * 2012-02-14 2019-02-19 Emerson Electric Co. Relay switch control and related methods
US9535097B2 (en) 2012-07-19 2017-01-03 Gridview Optical Solutions, Llc. Electro-optic current sensor with high dynamic range and accuracy
US9570781B2 (en) 2012-08-10 2017-02-14 Battelle Memorial Institute Optical waveguide methods for detecting internal faults in operating batteries
US10211489B2 (en) * 2012-08-10 2019-02-19 Battelle Memorial Institute Integral light sources and detectors for an optical sensor to detect battery faults
WO2014026093A1 (en) * 2012-08-10 2014-02-13 Battelle Memorial Institute Optical monitoring of battery health
US8993916B2 (en) 2012-12-07 2015-03-31 General Electric Company Variable venting and damping arc mitigation assemblies and methods of assembly
US8981248B2 (en) 2012-12-07 2015-03-17 General Electric Company Arc mitigation assembly and method of assembly to avoid ground strike
CN103064052B (zh) * 2012-12-31 2015-07-08 国家电网公司 光学互感器校准及运行监测方法和系统
US8774587B1 (en) 2013-01-26 2014-07-08 Optisense Network, Llc Stress control structure for optical fibers in a high voltage environment
DE112014001200T5 (de) 2013-03-08 2016-01-21 Abb Research Ltd. Überstromschutzvorrichtung und -verfahren
US20210080514A1 (en) * 2013-03-29 2021-03-18 GRID20/20, Inc. Monitoring and Data Analysis Systems and Methods
US9347973B2 (en) 2013-05-15 2016-05-24 Gridview Optical Solutions, Llc Stress control assembly and methods of making the same
US9146358B2 (en) 2013-07-16 2015-09-29 Gridview Optical Solutions, Llc Collimator holder for electro-optical sensor
CA2856896A1 (en) * 2013-07-18 2015-01-18 Spo Systems Inc. Limited Virtual video patrol system and components therefor
EP3043189B1 (de) * 2013-09-04 2017-08-23 Arteche Centro de Tecnologia, A.I.E. Optisches system zur identifikation von störungen in gemischten hochspannungsübertragungsleitungen
EP3069151B1 (de) 2013-11-12 2024-04-17 General Electric Technology GmbH Leistungstransformatoren mit optischen stromsensoren
CN106463944B (zh) 2014-02-21 2019-06-21 Uab研究基金会 用于检测变压器的断相条件的方法
US9377489B2 (en) * 2014-04-15 2016-06-28 General Electric Company Systems and methods for monitoring fiber optic current sensing systems
US9625499B2 (en) * 2014-05-01 2017-04-18 Eaton Corporation Receptacle indicating relative level of current or energy
TWI533553B (zh) * 2014-10-21 2016-05-11 國立清華大學 功率流管理方法與控制器
US9826338B2 (en) 2014-11-18 2017-11-21 Prophecy Sensorlytics Llc IoT-enabled process control and predective maintenance using machine wearables
US10638295B2 (en) 2015-01-17 2020-04-28 Machinesense, Llc System and method for turbomachinery preventive maintenance and root cause failure determination
US20160245279A1 (en) 2015-02-23 2016-08-25 Biplab Pal Real time machine learning based predictive and preventive maintenance of vacuum pump
US10481195B2 (en) 2015-12-02 2019-11-19 Machinesense, Llc Distributed IoT based sensor analytics for power line diagnosis
US10648735B2 (en) 2015-08-23 2020-05-12 Machinesense, Llc Machine learning based predictive maintenance of a dryer
US20160313216A1 (en) 2015-04-25 2016-10-27 Prophecy Sensors, Llc Fuel gauge visualization of iot based predictive maintenance system using multi-classification based machine learning
US10599982B2 (en) 2015-02-23 2020-03-24 Machinesense, Llc Internet of things based determination of machine reliability and automated maintainenace, repair and operation (MRO) logs
US20160245686A1 (en) 2015-02-23 2016-08-25 Biplab Pal Fault detection in rotor driven equipment using rotational invariant transform of sub-sampled 3-axis vibrational data
US10613046B2 (en) 2015-02-23 2020-04-07 Machinesense, Llc Method for accurately measuring real-time dew-point value and total moisture content of a material
WO2016125638A1 (ja) * 2015-02-06 2016-08-11 日立オートモティブシステムズ株式会社 電流センサ
US10177421B2 (en) 2015-02-12 2019-01-08 Battelle Memorial Institute Battery cell structure with limited cell penetrations
US9823289B2 (en) * 2015-06-01 2017-11-21 Prophecy Sensorlytics Llc Automated digital earth fault system
MX2017016432A (es) * 2015-06-16 2018-05-02 General Electric Technology Gmbh Métodos y sistemas para la detección de una fase abierta en transformadores de potencia.
US10371739B2 (en) * 2015-10-30 2019-08-06 Landis+Gyr Llc Arrangement for detecting a meter maintenance condition using winding resistance
DE102016104549B3 (de) * 2016-03-11 2016-11-03 Krohne Messtechnik Gmbh Verfahren zum Betreiben eines induktiven Leitfähigkeitssensors und diesbezüglicher induktiver Leitfähgikeitssensor
US10135200B2 (en) * 2016-08-09 2018-11-20 International Business Machines Corporation Embedded platform in electrical cables
ES2741848T3 (es) * 2016-09-02 2020-02-12 Abb Schweiz Ag Sensor interferométrico de tensión con compensación de errores
CN106546825B (zh) * 2016-09-29 2022-07-01 北京国电光宇机电设备有限公司 智能无线传输微型开口自校零漂微机绝缘综合检测系统
DE102016220197A1 (de) * 2016-10-17 2018-04-19 Robert Bosch Gmbh Verfahren zum Verarbeiten von Daten für ein automatisiertes Fahrzeug
CN106713007A (zh) * 2016-11-15 2017-05-24 郑州云海信息技术有限公司 一种告警监控系统、用于服务器的告警监控方法及其装置
JP6677197B2 (ja) * 2017-03-15 2020-04-08 オムロン株式会社 高調波検出システム
JP6680251B2 (ja) 2017-03-15 2020-04-15 オムロン株式会社 配電網モニタリングシステム
CA3060936A1 (en) * 2017-04-26 2018-11-01 VoltServer, Inc. Methods for verifying digital-electricity line integrity
US10852341B2 (en) 2017-06-16 2020-12-01 Florida Power & Light Company Composite fault mapping
US10837995B2 (en) 2017-06-16 2020-11-17 Florida Power & Light Company Composite fault mapping
US10489019B2 (en) 2017-06-16 2019-11-26 Florida Power & Light Company Identifying and presenting related electrical power distribution system events
JP7013802B2 (ja) * 2017-11-09 2022-02-15 日立金属株式会社 光ケーブル監視システム
CN108132455A (zh) * 2017-12-19 2018-06-08 国网重庆市电力公司电力科学研究院 基于合并单元的整体误差校验系统
US10921792B2 (en) 2017-12-21 2021-02-16 Machinesense Llc Edge cloud-based resin material drying system and method
FR3075969B1 (fr) * 2017-12-21 2020-09-18 Electricite De France Dispositif de detection de defaillance dans la surveillance d'un reseau electrique
US11487264B2 (en) * 2018-08-10 2022-11-01 Arvus Tecnologia Ltda. Sensor and actuator based lifecycle monitoring of machines performing automated machine tasks
CN109407155A (zh) * 2018-09-26 2019-03-01 江苏史利姆智能测控技术有限公司 一种预防挖断电缆的检测方法
CN109444796B (zh) * 2018-12-11 2024-04-12 三河市博维创通企业管理咨询中心(有限合伙) 光纤电流传感器光路状态监测系统
DE102019105861A1 (de) 2019-03-07 2020-09-10 Sma Solar Technology Ag Verfahren und Vorrichtung zur näherungsweisen Bestimmung von Spannungen an einer Oberspannungsseite eines Transformators
US10928435B2 (en) 2019-07-15 2021-02-23 The Boeing Company Electrical fault detector and method of use
CN110554346B (zh) * 2019-08-06 2021-06-22 国网四川省电力公司电力科学研究院 用于同轴传输线末端匹配电阻分压器的频率响应测试装置
CN110488154B (zh) * 2019-08-28 2021-06-22 国网四川省电力公司成都供电公司 一种用于调度主站端的小电流接地选线方法
GB2586996B (en) * 2019-09-11 2022-03-09 Canon Kk A method, apparatus and computer program for acquiring a training set of images
AU2020359663A1 (en) * 2019-09-30 2022-04-07 Red Earth Energy Storage Ltd System for monitoring a multiple earth neutral (MEN) link
CN111064160B (zh) * 2019-12-24 2022-11-04 深圳供电局有限公司 移动配电箱
CN112737123A (zh) * 2020-12-28 2021-04-30 王文林 一种地区电网智能调度可视化预警系统
CN112986650A (zh) * 2021-01-20 2021-06-18 河南平高电气股份有限公司 一种全光纤电流互感器及其温度补偿方法
CN113484812B (zh) * 2021-05-26 2023-01-13 广西电网有限责任公司南宁供电局 一种电容式电压互感器的测量装置及测量方法
CN114062850B (zh) * 2021-11-17 2022-09-23 江南大学 一种双阈值电网早期故障检测方法
CN115902755B (zh) * 2023-02-23 2023-08-15 国网江西省电力有限公司电力科学研究院 一种全光纤电流互感器的报警参数测试方法

Family Cites Families (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB259978A (en) * 1925-10-14 1927-09-29 Bbc Brown Boveri & Cie Improvements in detecting an earth in a high tension network
DE1538092B2 (de) * 1965-07-08 1972-06-29 Siemens AG, 1000 Berlin u. 8000 München Aus stromwandler und kapazitivem spannungswandler bestehende messgruppe
GB1212367A (en) 1966-12-23 1970-11-18 Wandel U Goltermann K G A high frequency signal level measuring instrument
US3559184A (en) * 1968-08-30 1971-01-26 Burroughs Corp Line adapter for data communication system
US3614568A (en) * 1969-06-17 1971-10-19 Izrail Mordukhovich Pesis Voltage stabilizing device for electric drill motor
CH510265A (de) 1969-12-10 1971-07-15 Bbc Brown Boveri & Cie Anordnung zur potentialfreien Messung einer elektrischen Leistung
DE2346722C2 (de) 1973-09-17 1974-12-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Magnetooptischer Meßwandler für Hochspannungsströme
DE7522858U (de) * 1975-07-03 1977-08-11 Bbc Ag Brown, Boveri & Cie, Baden (Schweiz) Überwachungseinrichtung für ein Drehstromübertragungssystem
JPS5873260A (ja) * 1981-10-28 1983-05-02 Seikosha Co Ltd デ−タ伝送方式
US4540937A (en) 1983-06-07 1985-09-10 Westinghouse Electric Corp. Electronic circuitry with self-calibrating feedback for use with an optical current sensor
DE3431769A1 (de) * 1984-08-29 1986-03-13 Siemens AG, 1000 Berlin und 8000 München Faseroptischer stromsensor
US4683421A (en) * 1985-03-29 1987-07-28 Westinghouse Electric Corp. Drift compensation technique for a magneto-optic current sensor
US4694243A (en) 1986-05-28 1987-09-15 Westinghouse Electric Corp. Optical measurement using polarized and unpolarized light
FR2613839B1 (fr) 1987-04-10 1990-11-16 Alsthom Procede de mise a jour du facteur d'echelle d'un appareil de mesure d'intensite d'un courant electrique alternatif par effet faraday
US4894608A (en) 1987-07-22 1990-01-16 Square D Company Electric current sensor using the faraday effect
JP3175935B2 (ja) 1987-09-30 2001-06-11 株式会社東芝 光ファイバ応用センサ
DE68907979T2 (de) 1988-04-22 1993-11-11 Matsushita Electric Ind Co Ltd Strom- und/oder Spannungsdetektor für ein Verteilungssystem.
US4947107A (en) * 1988-06-28 1990-08-07 Sundstrand Corporation Magneto-optic current sensor
US4903163A (en) * 1989-05-09 1990-02-20 The United States Of America As Represented By The Secretary Of The Interior Directional harmonic overcurrent relay device
JP3015484B2 (ja) * 1990-02-26 2000-03-06 株式会社ユーシン 高調波検出警報装置
US5051577A (en) 1990-03-20 1991-09-24 Minnesota Mining And Manufacturing Company Faraday effect current sensor having two polarizing fibers at an acute angle
US5495384A (en) * 1990-04-02 1996-02-27 Square D Company Apparatus and method for detecting a fault in a distributed line network
US5159319A (en) * 1990-06-25 1992-10-27 Cooper Industries, Inc. Faulted circuit detector having an isolated indicator for an electrical transformer
US5563506A (en) * 1990-07-10 1996-10-08 Polymeters Response International Limited Electricity meters using current transformers
JPH0698457A (ja) * 1991-11-28 1994-04-08 Kansai Electric Power Co Inc:The 高圧配電線の地絡故障原因判定方法
GB9201896D0 (en) 1992-01-29 1992-03-18 Instr Transformers Ltd Electric current measurement
JP2514529B2 (ja) * 1992-05-15 1996-07-10 日本航空電子工業株式会社 光干渉角速度計
US5386290A (en) * 1992-04-30 1995-01-31 Japan Aviation Electronics Industry Limited Optical interferometric angular rate meter with a self-diagnostic capability
JP2514528B2 (ja) * 1992-04-30 1996-07-10 日本航空電子工業株式会社 自己診断機能を有した光干渉角速度計
DE4215289A1 (de) * 1992-05-09 1993-11-11 Hoechst Ag Verfahren zur Herstellung rohrförmiger Formteile aus Hochtemperatur-Supraleiter-Material
JP2649310B2 (ja) * 1992-05-15 1997-09-03 日本航空電子工業株式会社 自己診断機能を有する光干渉角速度計
JP3003421B2 (ja) * 1992-10-01 2000-01-31 三菱電機株式会社 保護継電器
DE4236378C1 (de) * 1992-10-28 1994-06-30 Schorch Gmbh Hochspannungstransformator
US5451863A (en) 1992-10-30 1995-09-19 International Business Machines Corporation Fiber optic probe with a magneto-optic film on an end surface for detecting a current in an integrated circuit
JPH06217451A (ja) * 1993-01-12 1994-08-05 Kansai Electric Power Co Inc:The 高圧配電線の地絡故障原因判定方法
ATE154138T1 (de) 1993-10-01 1997-06-15 Siemens Ag Verfahren und vorrichtung zum messen einer elektrischen wechselgrösse mit temperaturkompensation
US5552979A (en) * 1993-11-30 1996-09-03 Philips Electronics North America Corporation Isolated current sensor for DC to high frequency applications
WO1995032595A1 (en) * 1994-05-23 1995-11-30 Iris Systems, Inc. Communications protocol for remote data generating stations
US6043648A (en) 1996-06-14 2000-03-28 Siemens Aktiengesellschaft Method for temperature calibration of an optical magnetic field measurement array and measurement array calibrated by the method
DE19623810C1 (de) * 1996-06-14 1997-07-10 Siemens Ag Verfahren zur Temperaturkalibrierung einer optischen Magnetfeldmeßanordnung und mit diesem Verfahren kalibrierte Meßanordnung
DE19633856C1 (de) * 1996-08-16 1997-08-28 Siemens Ag Verfahren zum Gewinnen eines eine Sättigung in einem Stromwandler anzeigenden Erkennungssignals
JP3502516B2 (ja) * 1996-10-17 2004-03-02 東京電力株式会社 変圧器の一次電圧検出方法とその装置
JP3044707B2 (ja) * 1996-11-10 2000-05-22 株式会社戸上電機製作所 高調波探査装置
US7216043B2 (en) * 1997-02-12 2007-05-08 Power Measurement Ltd. Push communications architecture for intelligent electronic devices
US6262672B1 (en) * 1998-08-14 2001-07-17 General Electric Company Reduced cost automatic meter reading system and method using locally communicating utility meters
JP3591240B2 (ja) * 1997-09-26 2004-11-17 三菱電機株式会社 配電線の保護装置
GB9805556D0 (en) * 1998-03-17 1998-05-13 Crimewatch Scotland Limited Alarm systems
US6025980A (en) * 1998-08-10 2000-02-15 General Electric Company Earth leakage protective relay
US7103511B2 (en) * 1998-10-14 2006-09-05 Statsignal Ipc, Llc Wireless communication networks for providing remote monitoring of devices
JP2000201430A (ja) * 1999-01-06 2000-07-18 Seiko Electric Co Ltd 高調波継電器
AUPQ260599A0 (en) * 1999-09-02 1999-09-23 Transgrid Partial discharge monitoring system for transformers
JP2001320828A (ja) * 2000-05-08 2001-11-16 Tohoku Denki Hoan Kyokai 事故範囲判別機能付地絡継電器
WO2002014939A1 (fr) 2000-08-11 2002-02-21 Fdk Corporation Dispositif de rotation faraday et dispositif optique renfermant celui-ci
FI112829B (fi) * 2000-10-20 2004-01-15 Nokia Corp Menetelmä kohteen ylläpidon suorittamiseksi ja ylläpitojärjestelmä
US6630819B2 (en) 2001-02-22 2003-10-07 The University Of Chicago Magneto-optic current sensor
US6507184B1 (en) * 2001-03-28 2003-01-14 Abb Automation Inc. Methods and apparatus for differential current measurement in a three-phase power system
AU2002366076A1 (en) 2001-11-15 2003-06-10 Airak, Inc. Sensor for optically measuring magnetic field
WO2003073176A1 (en) * 2002-02-25 2003-09-04 General Electric Company Protection system for power distribution systems
JP2004201372A (ja) * 2002-12-16 2004-07-15 Hitachi Ltd 保護継電装置
JP2004289377A (ja) * 2003-03-20 2004-10-14 Alpine Electronics Inc 車車間通信方法及び車車間通信装置
US7068025B2 (en) 2003-05-12 2006-06-27 Nesa A/S Compensation of simple fibre optic Faraday effect sensors
EP1491903A1 (de) * 2003-05-12 2004-12-29 Kasmatic Innovation A/S Faseroptisches Faraday-Effekt-Sensor
US7669061B2 (en) * 2003-10-06 2010-02-23 Power Monitors, Inc. System and method for providing for remote monitoring and controlling of voltage power transmission and distribution devices
US7490013B2 (en) * 2003-12-09 2009-02-10 Oslsoft, Inc. Power grid failure detection system and method
JP2005318073A (ja) * 2004-04-27 2005-11-10 Hitachi Ltd 通信装置、その動作プログラム、及び通信方法
WO2006053567A2 (en) * 2004-11-18 2006-05-26 Nesa A/S Compensation of simple fiberoptic faraday effect sensors

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AU2010202911B2 (en) 2014-04-17
EP1820034B1 (de) 2009-09-23
JP4869245B2 (ja) 2012-02-08
US20100295692A1 (en) 2010-11-25
AU2005306167A1 (en) 2006-05-26
AU2005306167B8 (en) 2010-11-18
WO2006053567A2 (en) 2006-05-26
AU2010202911A1 (en) 2010-07-29
PL1820034T3 (pl) 2010-03-31
US20150141064A1 (en) 2015-05-21
NZ555745A (en) 2010-09-30
WO2006053567A9 (en) 2006-06-29
ES2333808T3 (es) 2010-03-01
DK1820034T3 (da) 2010-02-01
EP1820034A2 (de) 2007-08-22
AU2005306167B2 (en) 2010-07-22
CA2588395A1 (en) 2006-05-26
US9247402B2 (en) 2016-01-26
WO2006053567A3 (en) 2007-11-01
AU2010202907B2 (en) 2014-09-11
US20060170410A1 (en) 2006-08-03
JP2008521374A (ja) 2008-06-19
US8949054B2 (en) 2015-02-03
AU2010202907A1 (en) 2010-07-29
US7683795B2 (en) 2010-03-23

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