DE19654925A1 - Lightning protection device for wind-powered energy converter - Google Patents

Lightning protection device for wind-powered energy converter

Info

Publication number
DE19654925A1
DE19654925A1 DE19654925A DE19654925A DE19654925A1 DE 19654925 A1 DE19654925 A1 DE 19654925A1 DE 19654925 A DE19654925 A DE 19654925A DE 19654925 A DE19654925 A DE 19654925A DE 19654925 A1 DE19654925 A1 DE 19654925A1
Authority
DE
Germany
Prior art keywords
lightning
lightning protection
energy
protection device
individual storage
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.)
Withdrawn
Application number
DE19654925A
Other languages
German (de)
Inventor
Hans-Guenter Eckhardt
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.)
ECKHARDT HANS GUENTER
Original Assignee
ECKHARDT HANS GUENTER
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 ECKHARDT HANS GUENTER filed Critical ECKHARDT HANS GUENTER
Priority to DE19654925A priority Critical patent/DE19654925A1/en
Publication of DE19654925A1 publication Critical patent/DE19654925A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/002—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being horizontal
    • 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
    • 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
    • F03D80/50—Maintenance or repair
    • 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
    • F03D80/70—Bearing or lubricating arrangements
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J15/00—Systems for storing electric energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • 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
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/92—Mounting on supporting structures or systems on an airbourne structure
    • F05B2240/922—Mounting on supporting structures or systems on an airbourne structure kept aloft due to buoyancy effects
    • 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
    • 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
    • Y02E10/728—Onshore wind turbines
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The lightning protection device uses a series of electric battery cells (3a,..3c) or insulated fluid tanks as an energy storage device connected between the top end of the lightning conductor (1) and the earth point (4). The charging of each battery element is limited by a respective spark path (2a,...2c), or in the case of the liquid tanks by a respective switch, so that each stores part of the electrical energy of the electrostatic field resulting from the lightning strike.

Description

Es ist bekannt, bei Ballontragkörpern die Ballonflächen mit Metall zu beschichten und die Seilverbindungen zum Boden zu metallisieren, so daß eine elektrisch leitende Verbindung als Blitzableiter bis zum Erdungspunkt her­ gestellt wird.It is known, in the case of balloon support bodies, the balloon surfaces to be coated with metal and the rope connections to the Metallize floor so that an electrically conductive Connection as lightning arrester to the earthing point is provided.

Ferner ist bekannt, Windkraftkonverter gegen Beschädigungen durch Blitzeinschläge dadurch zu schützen, daß der um eine horizontale Achse rotierende Geräteteil an den höchsten Punkt seiner Kreisbahn gefahren und dort festgehalten wird, während gleichzeitig der niedrigste Punkt in Kontaktstellung mit einer Erdungsvorrichtung zum Austritt des Blitzes fest­ gehalten wird, so daß der Blitz durch den leitfähigen Teil des Gerätes als Blitzableiter durchschlagen kann, ohne Schaden anzurichten.It is also known to protect against wind damage to protect by lightning strikes that the one horizontal axis rotating device part at the highest Point of its circular path and is held there, while at the same time the lowest point in contact position with a grounding device to discharge the lightning is held so that the flash passes through the conductive part of the device can penetrate as a lightning rod without To cause damage.

Hier setzt die Erfindung ein. Sie hat zum Ziele, einen Teil der Energie des Blitzes oder des sich vorher langsamer auf­ bauenden elektrostatischen Spannungsfeldes in geeigneten Energiespeicherelementen aufzufangen und die Ladungsenergie in nutzbare Energie umzusetzen.This is where the invention comes in. The goal is part the energy of lightning or that slows down earlier building electrostatic voltage field in suitable Collect energy storage elements and charge energy to convert it into usable energy.

Erfindungsgemäß geschieht dies durch Gestaltung der Vorrich­ tung gemäß dem Patentanspruch.According to the invention, this is done by designing the device tion according to the claim.

Die Abbildungen Fig. 1 und Fig. 2 stellen die Schaltungen von Energiespeichervorrichtungen gemäß der Erfindung dar.The images Fig. 1 and Fig. 2 represent the circuits of energy storage devices according to the invention.

In Fig. 1 sind zwischen der Blitzeinschlagstelle (1) und der Erdungsstelle (4) Elektrobatterieelemente (3a, 3b. . .) in Reihe geschaltet. Durch die Funkenstrecken (2a, 2b. .. ) wird die jewei­ lige Ladung jedes Einzelelementes (3a, 3b. . .) begrenzt. Die gesamte gespeicherte Ladungsmenge entspricht der Summe aller Einzelladungsmengen. Über den Schalter (5) kann die Ladung einem Stromverbraucher zugeführt werden.In Fig. 1, electric battery elements (3a, 3b...) Are connected in series between the lightning strike point ( 1 ) and the grounding point ( 4 ). The spark gap (2a, 2b. ..) limits the charge of each individual element (3a, 3b...). The total amount of cargo stored corresponds to the sum of all individual loads. The charge can be fed to a power consumer via the switch ( 5 ).

In Fig. 2 sind als einzelne Speicherelemente isolierte Flüssigkeitsbehälter (6a, 6b. . .) zwischen Blitzeinschlagstelle (1) und Erdungspunkt (4) parallel geschaltet. Die Spannung wird über isolierte Anschlußstücke (7a, 7b. . .) den thermischen Speicherelementen paarweise zugeführt. Der in der Flüssigkeit fließende Strom setzt die elektrische Energie in nutzbare Wärme um. Auch hier wird die überschüssige Spannung durch Funkenstrecken begrenzt,über die der überschüssige Teil der Blitzenergie abgeleitet wird. Je nach Höhe des Überschus­ ses können mit Schaltern (8a, 8b. . .) die einzelnen Speicher­ elemente bei Erreichung der Kapazitätsgrenze kurzgeschlos­ sen und damit aus dem Netz herausgeschaltet werden.In FIG. 2, isolated liquid containers (6a, 6b...) Are connected in parallel as individual storage elements between the lightning strike point ( 1 ) and the grounding point ( 4 ). The voltage is supplied in pairs to the thermal storage elements via insulated connectors (7a, 7b...). The current flowing in the liquid converts the electrical energy into usable heat. Here too, the excess voltage is limited by spark gaps, via which the excess part of the lightning energy is dissipated. Depending on the amount of the surplus, the individual storage elements can be short-circuited with switches (8a, 8b...) When the capacity limit is reached and can thus be disconnected from the network.

Claims (1)

Blitzschutz-,Blitzableitungs-und Blitzfangvorrichtung für Windenergiekonverter, dadurch gekennzeichnet,daß zwischen einem Eintrittspunkt (1) an einem höchstgelegenen Anlagenelement und einem tieferliegenden Erdungspunkt (4) eine Energiespeichervorrichtung angeordnet ist,bestehend aus einzelnen Speicherelementen (3a, 3b. . .) bzw. (7a, 7b. . .), von denen die atmosphärische elektrische Aufladung ggf. schon vor der Zündung des Blitzes, also während des Auf­ baues eines stärkeren elektrostatischen Spannungsfeldes, ganz oder teilweise aufgenommen und wiederverwendbar ge­ speichert wird, indem die einzelnen Speicherelemente, überbrückt durch die Funkenstrecken (2a, 2b. . .) in Reihe oder parallel miteinander verbunden sind, so daß jedes ein­ zelne Speicherelement (Elektrobatterie, isolierter Hoch­ druckflüssigkeitsbehälter, Halbleiterkörper) einen Teil der ankommenden Energie auf dem Niveau seiner Eigenkapa­ zität speichern kann.Lightning protection, lightning conductor and lightning arresting device for wind energy converters, characterized in that an energy storage device, consisting of individual storage elements (3a, 3b...) Or between an entry point ( 1 ) on a system element at the highest point and a lower-lying earthing point ( 4 ), is arranged. (7a, 7b...), Of which the atmospheric electrical charge, if necessary even before the ignition of the flash, i.e. during the construction of a stronger electrostatic voltage field, is wholly or partially recorded and reusably stored by bridging the individual storage elements through the spark gaps (2a, 2b...) Are connected in series or in parallel with each other, so that each one individual storage element (electric battery, insulated high pressure liquid container, semiconductor body) can store a part of the incoming energy at the level of its own capacity.
DE19654925A 1996-07-22 1996-07-22 Lightning protection device for wind-powered energy converter Withdrawn DE19654925A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19654925A DE19654925A1 (en) 1996-07-22 1996-07-22 Lightning protection device for wind-powered energy converter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19629417A DE19629417C2 (en) 1996-07-22 1996-07-22 Process and suspended energy converter for the use of flow energy
DE19654925A DE19654925A1 (en) 1996-07-22 1996-07-22 Lightning protection device for wind-powered energy converter

Publications (1)

Publication Number Publication Date
DE19654925A1 true DE19654925A1 (en) 1998-04-30

Family

ID=7800425

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19629417A Expired - Fee Related DE19629417C2 (en) 1996-07-22 1996-07-22 Process and suspended energy converter for the use of flow energy
DE19654925A Withdrawn DE19654925A1 (en) 1996-07-22 1996-07-22 Lightning protection device for wind-powered energy converter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19629417A Expired - Fee Related DE19629417C2 (en) 1996-07-22 1996-07-22 Process and suspended energy converter for the use of flow energy

Country Status (1)

Country Link
DE (2) DE19629417C2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002102656A1 (en) * 2001-06-18 2002-12-27 University Of Florida Research Foundation, Inc. Method and apparatus for lightning protection
WO2007135474A1 (en) * 2006-05-23 2007-11-29 Luis Raul Arnedo Gonzalez Electrical equipment that stores energy generated by a lightning bolt

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DE29811094U1 (en) 1998-06-20 1998-10-08 Beuermann, Herbert, Torremanzanas, Alicante Wind power station
GB2411209A (en) * 2004-02-20 2005-08-24 Rolls Royce Plc Wind-driven power generating apparatus
GB2424675B (en) * 2004-02-20 2008-08-13 Rolls Royce Plc Power generating apparatus
DE202004013840U1 (en) * 2004-09-06 2006-01-19 Skysails Gmbh & Co. Kg Watercraft with a kite-like element
DE102006001806A1 (en) * 2006-01-12 2007-07-19 Diehl, Moritz M., Dr. Wind energy installation has flying body anchored to pull line and driving energy converter through force acting on line
DE102006059233A1 (en) * 2006-12-13 2008-03-20 Deutsches Zentrum für Luft- und Raumfahrt e.V. Energy storing in and storing out method for use in e.g. sea, involves permitting lifting body to be raised to smaller liquid depth in reverse direction for storing out energy so that energy is converted into electrical energy by converter
DK2238678T3 (en) 2008-01-22 2016-02-01 Accio Energy Inc Electro-hydrodynamic wind energy system
US20130293034A1 (en) 2008-01-22 2013-11-07 Accio Energy, Inc. Electro-hydrodynamic wind energy system
US8502507B1 (en) * 2012-03-29 2013-08-06 Accio Energy, Inc. Electro-hydrodynamic system
DE102008038702A1 (en) * 2008-08-12 2010-02-25 Hans Erich Gunder Flow wall for use as tidal power station, for extracting energy from natural water body, has rotation bodies e.g. cylinders, connected with each other, and energy producing systems for using traction forces and movements of rotation bodies
DE102008063808B4 (en) * 2008-12-19 2013-11-28 Gottfried Lehmann Wind turbine
CN103081338B (en) 2010-10-18 2016-06-29 阿齐欧能源公司 For controlling the system and method for electric field at electricity-flow power in applying
DE102013205781B4 (en) * 2013-04-02 2017-01-26 Deutsches Zentrum für Luft- und Raumfahrt e.V. Wind turbine
PL3060797T3 (en) 2013-09-05 2020-04-30 Enerkite Gmbh Drive train and method for drives having widely spaced operating points
CN112701648B (en) * 2020-12-21 2022-03-22 蔡永祥 Lightning protection energy memory for high-rise building

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DE2437003A1 (en) * 1974-08-01 1976-02-12 Willi Zeidler Wind power plant with aerofoil balloons - to which attached cables are connected to impellers driving generators
DE2524360A1 (en) * 1975-06-02 1977-01-13 Alberto Kling WIND POWER PLANT
DE3014364A1 (en) * 1980-04-15 1981-10-22 Ernst Dr. 5608 Radevormwald Mickenhagen Wind-driven energy generator using magnus effect - has rotor support moving to=and=fro or in circulation loop
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DE3246694A1 (en) * 1982-12-16 1984-06-20 Erich Dipl.-Ing. 3000 Hannover Krebs Wind power installation (system)
DE3501807A1 (en) * 1985-01-21 1986-07-24 Heribert 7921 Hermaringen Schneider Fluid-flow engine for obtaining energy
GB8907889D0 (en) * 1989-04-07 1989-05-24 Kirby John Flying generator
DE4436290C1 (en) * 1994-10-11 1996-05-02 Autoflug Energietech Gmbh Wind turbine with lightning protection
DE19502948A1 (en) * 1995-01-31 1995-07-06 Manfred Dr Baumgaertner Wind-powered electrical energy plant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002102656A1 (en) * 2001-06-18 2002-12-27 University Of Florida Research Foundation, Inc. Method and apparatus for lightning protection
US6708638B2 (en) 2001-06-18 2004-03-23 University Of Florida Research Foundation, Inc. Method and apparatus for lightning protection
AU2002322249B2 (en) * 2001-06-18 2007-03-15 University Of Florida Research Foundation, Inc. Method and apparatus for lightning protection
WO2007135474A1 (en) * 2006-05-23 2007-11-29 Luis Raul Arnedo Gonzalez Electrical equipment that stores energy generated by a lightning bolt

Also Published As

Publication number Publication date
DE19629417C2 (en) 2002-06-27
DE19629417A1 (en) 1998-02-05

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