DK200700929A - System og fremgangsmåde til detektering af lyn - Google Patents

System og fremgangsmåde til detektering af lyn Download PDF

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Publication number
DK200700929A
DK200700929A DK200700929A DKPA200700929A DK200700929A DK 200700929 A DK200700929 A DK 200700929A DK 200700929 A DK200700929 A DK 200700929A DK PA200700929 A DKPA200700929 A DK PA200700929A DK 200700929 A DK200700929 A DK 200700929A
Authority
DK
Denmark
Prior art keywords
lightning
fiber optic
detection system
measurement
current sensor
Prior art date
Application number
DK200700929A
Other languages
English (en)
Inventor
Kraemer Sebastian
Original Assignee
Gen Electric
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38830919&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK200700929(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gen Electric filed Critical Gen Electric
Publication of DK200700929A publication Critical patent/DK200700929A/da
Application granted granted Critical
Publication of DK176843B1 publication Critical patent/DK176843B1/da

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/16—Measuring atmospheric potential differences, e.g. due to electrical charges in clouds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/30—Lightning protection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/80—Diagnostics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Atmospheric Sciences (AREA)
  • Sustainable Energy (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Locating Faults (AREA)
  • Measuring Magnetic Variables (AREA)

Claims (10)

1. Lyndetekteringssystem (10), kendetegnet ved, at det omfatter: en leder (18), der er konfigureret til at modtage et lynnedslag (12) og transmittere en lyninduceret strøm (16), en fiberoptisk strømsensor (22), som er konfigureret ti! at detektere flere iynparametre fra den lyninducerede strøm (16) og til at modulere en stråle af stråling (24) som reaktion derpå, og et elektro-optisk modul (28), der er konfigureret til at modtage og omforme strålen af stråling (24) fra den fiberoptiske strømsensor (22) til et elektrisk signal (30).
2. Lyndetekteringssystem (10) ifølge krav 1, kendetegnet ved, at de flere lynparametre omfatter mindst én af strøm og induceret magnetfelt.
3. Lyndetekteringssystem (10) ifølge krav 1, kendetegnet ved, at den fiberoptiske strømsensor (22) er konfigureret til at måle magnetfelter op til ca. 150 mT.
4. Lyndetekteringssystem (10) ifølge krav 1, kendetegnet ved yderligere at omfatte en databehandlingsenhed (32), der er konfigureret til at udlæse et signal, som er repræsentativt for en lynparameter.
5. Lyndetekteringssystem (10) ifølge krav 1, kendetegnet ved yderligere at omfatte flere fiberoptiske sensorer (22), som er konfigureret til at måle lokalisering af lynnedslag,
6. Fremgangsmåde (70) til lyndetektering, kendetegnet ved, at den omfatter: modtagelse af lyn (72) gennem en leder, som leder lynstrøm fra en overflade af et objekt; detektering af lynet (74) via en fiberoptisk strømsensor; omformning af en stråle af stråling (76) modtaget fra den fiberoptiske strømsensor til et elektrisk signal via et elektro-optisk modul, og måling af flere lynparametre (78) via en databehandlingsenhed.
7. Fremgangsmåde ifølge krav 6, kendetegnet ved, at detekteringen (74) omfatter måling af Faraday-rotation af et polariseringsplan for et indfaldende lys fra en lyskilde,
8. Fremgangsmåde ifølge krav 6, kendetegnet ved, at målingen (78) omfatter måling af et lyninduceret magnetfelt.
9. Fremgangsmåde ifølge krav 6, kendetegnet ved, at målingen (78) omfatter måling af lyninduceret strøm.
10. Fremgangsmåde ifølge krav 6, kendetegnet ved, at målingen (78) omfatter måling af lokalisering af lynnedslag via flere fiberoptiske strømsensorer (22),
DK200700929A 2006-07-21 2007-06-27 System og fremgangsmåde til detektering af lyn DK176843B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45914706 2006-07-21
US11/459,147 US7468505B2 (en) 2006-07-21 2006-07-21 Fiber optic current sensor system and method for detecting lightning

Publications (2)

Publication Number Publication Date
DK200700929A true DK200700929A (da) 2007-12-22
DK176843B1 DK176843B1 (da) 2009-12-07

Family

ID=38830919

Family Applications (1)

Application Number Title Priority Date Filing Date
DK200700929A DK176843B1 (da) 2006-07-21 2007-06-27 System og fremgangsmåde til detektering af lyn

Country Status (4)

Country Link
US (1) US7468505B2 (da)
CN (1) CN101109778B (da)
DE (1) DE102007033669B4 (da)
DK (1) DK176843B1 (da)

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GB2458152B (en) * 2008-03-07 2010-09-29 Insensys Ltd Lightning detection
US8202053B2 (en) * 2008-03-19 2012-06-19 General Electric Company Micro-electromechanical current sensing apparatus
US7942640B2 (en) * 2009-03-19 2011-05-17 General Electric Company Method and apparatus for use in protecting wind turbine blades from lightning damage
US8427333B2 (en) * 2009-06-29 2013-04-23 General Electric Company System and method for detecting lightning
ES2357063B2 (es) * 2009-10-06 2012-01-24 Líneas Y Cables, S.A. Sistema de protección de aerogeneradores frenta a descargas atmosféricas.
KR101068203B1 (ko) * 2009-10-29 2011-09-28 한국표준과학연구원 풍력발전 블레이드 모니터링용 낙뢰전류측정장치
EP2524134B1 (en) 2010-01-14 2014-05-07 Neptco, Inc. Wind turbine rotor blade components and methods of making same
US10137542B2 (en) 2010-01-14 2018-11-27 Senvion Gmbh Wind turbine rotor blade components and machine for making same
FR2960217A1 (fr) * 2010-05-24 2011-11-25 Eurocopter France Rotor muni d'un dispositif de protection contre la foudre, et aeronef pourvu dudit rotor
US8327710B2 (en) 2010-07-29 2012-12-11 General Electric Company System for estimating a condition of non-conductive hollow structure exposed to a lightning strike
CN101937027A (zh) * 2010-08-06 2011-01-05 浙江大学 一种光电信号同步采集的闪电探测方法
DE102010045920B4 (de) * 2010-09-21 2016-12-15 Auto-Kabel Management Gmbh Überspannungsschutz für Windkraftanlagen
EP2439562A1 (en) 2010-10-08 2012-04-11 PHOENIX CONTACT GmbH & Co. KG Lightning detection system
US8005617B2 (en) * 2010-11-29 2011-08-23 General Electric Company System and method for detecting lightning strikes likely to affect a condition of a structure
US8239150B2 (en) * 2011-05-16 2012-08-07 General Electric Company System, device, and method for detecting electrical discharges on a structure
US8258773B2 (en) 2011-06-09 2012-09-04 General Electric Company System for detecting lightning strikes on wind turbine rotor blades
CN103233865B (zh) * 2013-03-28 2015-04-22 重庆通用工业(集团)有限责任公司 一种风电叶片避雷导线预埋工艺
CN103592520A (zh) * 2013-11-23 2014-02-19 大连尚能科技发展有限公司 一种风力发电机组雷电在线监测系统
CN104198827B (zh) * 2014-08-07 2016-03-16 新疆金风科技股份有限公司 风力发电机组的雷电监测装置
US9719495B2 (en) 2015-05-13 2017-08-01 General Electric Company Lightning protection system for wind turbine rotor blades
EP3246563A1 (en) 2016-05-20 2017-11-22 Siemens Aktiengesellschaft Locating a lightning strike at a wind turbine
US10627546B2 (en) * 2016-12-05 2020-04-21 Current Lighting Solutions, Llc Method and system for lightning detection
CN109826762B (zh) * 2019-01-31 2022-10-25 北京金风科创风电设备有限公司 风力发电机组及其导通性检测系统、防雷系统的检测方法
CN113189391B (zh) * 2021-04-23 2022-08-09 中国人民解放军陆军工程大学 一种地闪回击电流的光学遥测方法

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US4105966A (en) * 1977-03-29 1978-08-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Remote lightning monitor system
FR2718898B1 (fr) * 1994-04-18 1996-06-28 Jacques Lewiner Procédé et dispositif de surveillance d'un équipement de protection contre la foudre .
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Also Published As

Publication number Publication date
DE102007033669A1 (de) 2008-01-24
DK176843B1 (da) 2009-12-07
CN101109778A (zh) 2008-01-23
CN101109778B (zh) 2012-05-30
US7468505B2 (en) 2008-12-23
DE102007033669B4 (de) 2016-01-14
US20080017788A1 (en) 2008-01-24

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