NO327600B1 - Likestromsomformer. - Google Patents

Likestromsomformer. Download PDF

Info

Publication number
NO327600B1
NO327600B1 NO20041134A NO20041134A NO327600B1 NO 327600 B1 NO327600 B1 NO 327600B1 NO 20041134 A NO20041134 A NO 20041134A NO 20041134 A NO20041134 A NO 20041134A NO 327600 B1 NO327600 B1 NO 327600B1
Authority
NO
Norway
Prior art keywords
voltage
voltage converter
converter
power
converter according
Prior art date
Application number
NO20041134A
Other languages
English (en)
Norwegian (no)
Other versions
NO20041134L (no
Inventor
Klaus Biester
Peter Kunow
Original Assignee
Cooper Cameron 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 Cooper Cameron Corp filed Critical Cooper Cameron Corp
Publication of NO20041134L publication Critical patent/NO20041134L/no
Publication of NO327600B1 publication Critical patent/NO327600B1/no

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/22Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/285Single converters with a plurality of output stages connected in parallel
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/22Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/0067Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/0074Plural converter units whose inputs are connected in series

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Control Of Electric Motors In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
NO20041134A 2001-09-19 2004-03-19 Likestromsomformer. NO327600B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20115474U DE20115474U1 (de) 2001-09-19 2001-09-19 Gleichspannungs-Wandlervorrichtung
PCT/EP2002/010469 WO2003026115A2 (en) 2001-09-19 2002-09-18 Dc converter

Publications (2)

Publication Number Publication Date
NO20041134L NO20041134L (no) 2004-05-18
NO327600B1 true NO327600B1 (no) 2009-08-31

Family

ID=7961910

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20041134A NO327600B1 (no) 2001-09-19 2004-03-19 Likestromsomformer.
NO20092162A NO336324B1 (no) 2001-09-19 2009-06-04 System for energiforsyning til en elektrisk anordning

Family Applications After (1)

Application Number Title Priority Date Filing Date
NO20092162A NO336324B1 (no) 2001-09-19 2009-06-04 System for energiforsyning til en elektrisk anordning

Country Status (7)

Country Link
US (2) US7433214B2 (de)
AU (1) AU2002342711A1 (de)
BR (1) BR0212647A (de)
DE (1) DE20115474U1 (de)
GB (1) GB2398189B (de)
NO (2) NO327600B1 (de)
WO (1) WO2003026115A2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20018560U1 (de) * 2000-10-30 2002-03-21 Cameron Gmbh Steuer- und Versorgungssystem
US7615893B2 (en) 2000-05-11 2009-11-10 Cameron International Corporation Electric control and supply system
DE20115471U1 (de) 2001-09-19 2003-02-20 Biester Klaus Universelles Energieversorgungssystem
DE20115474U1 (de) * 2001-09-19 2003-02-20 Biester Klaus Gleichspannungs-Wandlervorrichtung
US7020271B2 (en) * 2003-06-12 2006-03-28 Barbara Isabel Hummel Ring control device
US7599754B2 (en) * 2006-06-05 2009-10-06 National Institute Of Advanced Industrial Science And Technology Method and system for designing a power converter
US7851943B2 (en) * 2006-12-08 2010-12-14 General Electric Company Direct current power transmission and distribution system
BRPI0907567A2 (pt) 2008-02-13 2015-07-14 Cameron Int Corp Sistema de disposição
NO332768B1 (no) * 2009-12-16 2013-01-14 Smartmotor As System for drift av langstrakte elektriske maskiner
US8374009B2 (en) * 2010-03-25 2013-02-12 Hamilton Sundstrand Corporation Multi-level parallel phase converter
FR2982092B1 (fr) * 2011-11-02 2015-01-02 Valeo Systemes De Controle Moteur Module de puissance et dispositif electrique pour l'alimentation et la charge combinees respectivement d'un accumulateur et d'un moteur
US9419442B2 (en) * 2012-08-14 2016-08-16 Kr Design House, Inc. Renewable energy power distribution system
PL2898595T3 (pl) * 2012-10-11 2020-06-01 Siemens Aktiengesellschaft Modułowy wielopoziomowy przetwornik DC/DC do zastosowań HVDC
JP6193029B2 (ja) * 2013-07-12 2017-09-06 株式会社東芝 スイッチング素子駆動電源回路
EP3092733A4 (de) * 2014-01-07 2017-06-28 Oceaneering International Inc. Datenübertragung und -steuerung über stromleiter
US9794737B2 (en) 2014-09-08 2017-10-17 The United States Of America, As Represented By The Secretary Of The Army Underwater signal conversion

Family Cites Families (129)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE145982C (de)
US1979425A (en) * 1931-08-12 1934-11-06 Gen Ind Co Tandem motor mechanism
US2387800A (en) * 1944-07-19 1945-10-30 Gen Motors Corp Actuator
GB1001629A (en) 1963-03-18 1965-08-18 Rotork Eng Co Ltd Improvements in or relating to actuating mechanisms, more particularly for fluid flow control valves
FR1390757A (fr) 1963-04-30 1965-02-26 Sulzer Ag Soupape à servo-moteur électrique
DE1199088B (de) 1963-05-10 1965-08-19 Doering G M B H Stellantrieb fuer die Spindel von Absperrschiebern, Klappenventilen od. dgl.
US3310727A (en) * 1963-09-26 1967-03-21 Ovitron Corp D.c. to d.c. voltage converter with undervoltage-responsive, mode selector means
US3353594A (en) * 1963-10-14 1967-11-21 Hydril Co Underwater control system
USB327573I5 (de) * 1964-04-15
US3324741A (en) * 1965-06-15 1967-06-13 Acf Ind Inc Valve operator
US3818307A (en) * 1972-07-31 1974-06-18 Bell Telephone Labor Inc Serially-connected converters having multiple regulation modes for use in supplying serially-connected loads on long lines
US3887898A (en) * 1973-08-20 1975-06-03 Texaco Inc Well logging system using 3 phase AC power supply
FR2309748A1 (fr) 1974-08-14 1976-11-26 Coureau Jean Claude Mecanisme de manoeuvre en translation d'un organe au moyen d'energie electrique
US3980808A (en) * 1974-09-19 1976-09-14 The Furukawa Electric Co., Ltd. Electric cable
CH592979A5 (de) * 1976-06-04 1977-11-15 Bbc Brown Boveri & Cie
US4124884A (en) * 1977-03-07 1978-11-07 Bell Telephone Laboratories, Incorporated DC to DC converter with regulated input impedance
US4062057A (en) * 1977-04-15 1977-12-06 The United States Of America As Represented By The Secretary Of The Navy Regulated power supply having a series arrangement of inverters
US4290101A (en) * 1977-12-29 1981-09-15 Burroughs Corporation N Phase digital inverter
DD145982B1 (de) * 1979-10-01 1982-09-29 Lothar Friedrich Schaltungsanordnung zur stromverso gung der steuerelektronik von zwangskommutierten stromr chterschaltungen
DE2943979C2 (de) 1979-10-31 1986-02-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur Übertragung von Meßwerten von mehreren entlang einer langgestreckten Unterwasserstruktur hintereinander geschalteten Meßstellen auf eine Zentralstation
US4309734A (en) * 1979-11-05 1982-01-05 Trw Inc. Methods and apparatus for limiting electrical current to a subsea petroleum installation
CA1139366A (en) * 1980-05-30 1983-01-11 Jay E. Beattie Direct current power supply
FR2484162A1 (fr) * 1980-06-05 1981-12-11 Cables De Lyon Geoffroy Delore Dispositif de raccordement etanche d'un cable coaxial sous-marin a un repeteur, procede de fabrication de ce dispositif et moule utilisable dans ce procede
DE3034865A1 (de) * 1980-09-16 1982-04-29 Robert Bosch Gmbh, 7000 Stuttgart Druckregelventil
DD200941A1 (de) 1981-09-08 1983-06-22 Erwin Asche Sperrvorrichtung fuer kameraaufzug
JPS5883584A (ja) * 1981-11-11 1983-05-19 Matsushita Electric Works Ltd 電源装置
JPS59103570A (ja) * 1982-12-01 1984-06-15 Fuji Electric Co Ltd 電気車用dc−dcコンバ−タの制御方式
DE3303248A1 (de) * 1983-02-01 1984-08-16 Robert Bosch Gmbh, 7000 Stuttgart Einer z-diode hoeherer leistung entsprechende halbleiterschaltung
US4500832A (en) * 1983-02-28 1985-02-19 Codman & Shurtleff, Inc. Electrical transformer
DE3307554C2 (de) * 1983-03-03 1985-09-26 Mannesmann Rexroth GmbH, 8770 Lohr Elektrisch regelbares Druckreduzierventil
DE3316258A1 (de) 1983-05-04 1984-11-08 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektrochemischer druckwandler
DE3321936A1 (de) 1983-06-16 1984-12-20 Etablissements De Backer, N.V.-S.A.,, Zaventem Koaxiale kabelstecker
DE3417455C2 (de) 1984-05-11 1986-07-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur induktiven Energie- und Datenübertragung
DE3424041A1 (de) 1984-06-29 1986-01-02 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur strombegrenzung in einem gleichstromumrichter
JPS6176071A (ja) 1984-09-19 1986-04-18 Toshiba Corp 中性粒子入射装置用電源装置
US5230033A (en) * 1984-11-01 1993-07-20 Optelecom, Inc. Subminiature fiber optic submarine cable and method of making
US4788448A (en) * 1984-12-06 1988-11-29 Ferranti Subsea Systems, Ltd. Power transfer of direct current with inductive couplings
US4639714A (en) * 1984-12-21 1987-01-27 Ferranti Subsea Systems, Ltd. Combined power and control signal transmission system
JPS61240858A (ja) 1985-04-15 1986-10-27 Amada Co Ltd 可変電圧電源装置
US4617501A (en) * 1985-09-19 1986-10-14 John D. Gieser Control and safety system for electrically powered submersible tools and lights
JPS62217857A (ja) * 1986-03-19 1987-09-25 Toshiba Corp 電源装置
US4771982A (en) 1986-05-14 1988-09-20 Chevron Research Company Slidable electric valve device having a spring
US4745815A (en) * 1986-12-08 1988-05-24 Sundstrand Corporation Non-jamming screw actuator system
JPS63308420A (ja) * 1987-06-10 1988-12-15 Nec Corp 中継器回路
DE3885196D1 (de) 1987-08-10 1993-12-02 Siemens Ag Absperrarmatur.
US4814963A (en) * 1987-09-30 1989-03-21 Spectra Physics Modular power supply with variable input voltage and output voltage flyback power modules
US4814965A (en) 1987-09-30 1989-03-21 Spectra Physics High power flyback, variable output voltage, variable input voltage, decoupled power supply
US4972292A (en) * 1987-09-30 1990-11-20 Spectra Physics, Inc. Inductor with centertap switching transistor for reduced radio frequency emissions
GB8805744D0 (en) * 1988-03-10 1988-04-07 British Petroleum Co Plc Mechanical fail-safe release actuator system
DE3832304A1 (de) 1988-09-20 1990-03-29 Haberecht Helga Stellantrieb
JPH02206362A (ja) * 1989-01-31 1990-08-16 Shindengen Electric Mfg Co Ltd スイッチングモード型電力変換装置
DE69020181T2 (de) 1989-02-22 1995-12-07 Cooper Cameron Corp Betätigter Absperrschieber mit überlagerter Handbetätigung.
US5031088A (en) * 1989-03-31 1991-07-09 Kabushiki Kaisha Toshiba Variable-voltage and variable-frequency power converter
JPH0395898A (ja) * 1989-06-30 1991-04-22 Toshiba Corp X線発生装置
EP0409226A3 (en) * 1989-07-21 1993-01-13 Hitachi, Ltd. Power supply control system
US5168422A (en) * 1989-09-08 1992-12-01 Allanson, Division Of Jannock Limited Self-enclosed neon transformer
JPH03150068A (ja) * 1989-11-06 1991-06-26 Sansha Electric Mfg Co Ltd スイッチング電源回路
SU1709511A1 (ru) * 1989-12-26 1992-01-30 Центральное научно-производственное объединение "Ленинец" Высоковольтный переключатель
GB2266942B (en) 1990-05-04 1994-05-04 Ava Int Corp Fail safe valve actuator
US5195721A (en) * 1990-05-04 1993-03-23 Ava International Corporation Fail safe valve actuator
FR2663169A1 (fr) * 1990-06-08 1991-12-13 Alcatel Espace Dispositif de regulation d'un parametre par une structure bidirectionnelle en courant.
GB9014003D0 (en) 1990-06-22 1990-08-15 British Aerospace Data transmission apparatus
US5055991A (en) * 1990-10-12 1991-10-08 Compaq Computer Corporation Lossless snubber
FR2671677A1 (fr) * 1991-01-11 1992-07-17 Rotelec Sa Procede de realisation d'un inducteur electromagnetique.
US5301096A (en) * 1991-09-27 1994-04-05 Electric Power Research Institute Submersible contactless power delivery system
US5418707A (en) * 1992-04-13 1995-05-23 The United States Of America As Represented By The United States Department Of Energy High voltage dc-dc converter with dynamic voltage regulation and decoupling during load-generated arcs
JP2829189B2 (ja) * 1992-04-15 1998-11-25 富士通株式会社 海底ケーブル通信システムの給電監視支援システム。
JPH05327381A (ja) * 1992-05-15 1993-12-10 Nec Corp 誘導負荷駆動回路
US5311419A (en) * 1992-08-17 1994-05-10 Sundstrand Corporation Polyphase AC/DC converter
US5982645A (en) * 1992-08-25 1999-11-09 Square D Company Power conversion and distribution system
BR9300603A (pt) * 1993-02-17 1994-10-04 Petroleo Brasileiro Sa Sistema integrado para transmissão de força e sinal
EP0626670A1 (de) 1993-05-28 1994-11-30 Koninklijke Philips Electronics N.V. Auswahlschaltung mit integrierten Steuerschaltungen für ein flaches Anzeigegerät mit mehreren Elektronenstrahlen
US5549137A (en) * 1993-08-25 1996-08-27 Rosemount Inc. Valve positioner with pressure feedback, dynamic correction and diagnostics
US5563780A (en) * 1993-12-08 1996-10-08 International Power Systems, Inc. Power conversion array applying small sequentially switched converters in parallel
DE4344709C2 (de) 1993-12-27 1995-11-09 Daimler Benz Ag Verfahren zur Umwandlung von unterschiedlich großen Gleich- oder Wechselspannungen in eine beliebig vorgegebene Spannung
DE4414677A1 (de) * 1994-04-27 1995-11-02 Pintsch Bamag Ag Primärgetakteter Spannungswandler, insbesondere für hohe Eingangsgleichspannungen
US5629844A (en) * 1995-04-05 1997-05-13 International Power Group, Inc. High voltage power supply having multiple high voltage generators
US5508903A (en) * 1995-04-21 1996-04-16 Alexndrov; Felix Interleaved DC to DC flyback converters with reduced current and voltage stresses
FR2735624B1 (fr) * 1995-06-16 1997-09-05 Smh Management Services Ag Chargeur pour accumulateur d'energie electrique
CA2197260C (en) * 1996-02-15 2006-04-18 Michael A. Carmody Electro hydraulic downhole control device
US5811889A (en) * 1996-03-11 1998-09-22 Intel Corporation Method and apparatus for redundancy circuits using power fets
DE19614267A1 (de) * 1996-04-11 1997-10-16 Atec Weiss Gmbh & Co Kg Elastische, axial- und winkelbewegliche Kupplung
DE19614627A1 (de) * 1996-04-13 1997-10-16 Abb Patent Gmbh Hochspannungs-Stromrichtersystem
US5923550A (en) * 1996-05-01 1999-07-13 General Electric Company Interference reduction by harmonic phase shift in multiple PWM rectifier operation
US5731969A (en) * 1996-07-29 1998-03-24 Small; Kenneth T. Three-phase AC power converter with power factor correction
US5984260A (en) * 1996-10-15 1999-11-16 Baker Hughes Incorporated Electrically driven actuator with failsafe feature
DK151096A (da) * 1996-12-23 1998-07-17 Linak As Lineær aktuator
US5983743A (en) * 1997-04-03 1999-11-16 Dresser Industries, Inc. Actuator assembly
DE19714552A1 (de) 1997-04-09 1998-10-15 Knick Elektronische Mesgeraete Schaltungsanordnung zur Vervielfachung eines Stromsignals
US5930340A (en) 1997-07-07 1999-07-27 Advanced Micro Devices Device and method for isolating voice and data signals on a common carrier
JPH11135322A (ja) * 1997-07-31 1999-05-21 Fev Motorentechnik Gmbh & Co Kg アーマチュア運動を考慮して電磁アクチュエータを運転する方法
US6073907A (en) * 1997-11-07 2000-06-13 Erie Manufacturing Company Removable and interchangeable valve actuator system
DE19750041C1 (de) 1997-11-12 1999-01-21 Sma Regelsysteme Gmbh Halbleitersteller zur Erzeugung einer konstanten Ausgleichspannung U¶a¶ ohne Eingangsstromverzerrung bei variabler oder gleichgerichteter Eingangsgleichspannung U¶e¶
GB2332220B (en) 1997-12-10 2000-03-15 Abb Seatec Ltd An underwater hydrocarbon production system
DE19800105A1 (de) * 1998-01-05 1999-07-15 Reinhard Kalfhaus Strom-Spannungswandler und zugehöriger Regelkreis
JP3361047B2 (ja) * 1998-01-30 2003-01-07 株式会社東芝 車両用電源装置
US6356384B1 (en) * 1998-03-24 2002-03-12 Xtera Communications Inc. Broadband amplifier and communication system
US6032924A (en) * 1999-01-22 2000-03-07 Sparco Inc. Motorized valve actuating device
DE69933004D1 (de) * 1999-01-27 2006-10-12 Cooper Cameron Corp Elektrischer Stellantrieb
FR2789439B1 (fr) * 1999-02-05 2001-04-20 Schlumberger Services Petrol Procede de sauvegarde d'un train d'outils installe dans un puits petrolier et ensemble de transmission correspondant
US6152167A (en) * 1999-02-11 2000-11-28 Cooper Cameron Valve actuator with emergency shutdown feature
DE19909712B4 (de) 1999-03-05 2009-04-23 Linde Material Handling Gmbh Steuerventileinrichtung für einen hydraulischen Verbraucher
DE29904620U1 (de) * 1999-03-12 2000-08-03 Electrowatt Tech Innovat Corp Antriebsvorrichtung für ein Stellglied
US6529120B1 (en) 1999-03-25 2003-03-04 Intech 21, Inc. System for communicating over a transmission line
JP3357627B2 (ja) * 1999-04-09 2002-12-16 株式会社三社電機製作所 アーク加工装置用電源装置
US6154381A (en) * 1999-06-30 2000-11-28 General Motors Corporation High efficiency power system with plural parallel DC/DC converters
US6370039B1 (en) * 1999-11-19 2002-04-09 Iwatt Isolated power converter having primary feedback control
US6278624B1 (en) 1999-12-01 2001-08-21 Hewlett-Packard Company High availability DC power supply with isolated inputs, diode-or-connected outputs, and power factor correction
US6659200B1 (en) 1999-12-20 2003-12-09 Halliburton Energy Services, Inc. Actuator assembly and method for actuating downhole assembly
DE19963105A1 (de) * 1999-12-24 2001-06-28 Daimler Chrysler Ag Ansteuerverfahren für Überbrückungsschalter einer Stromrichterschaltung mit Teilstromrichtersystemen und Vorrichtung zur Durchführung des Verfahrens
US6409145B1 (en) * 2000-02-28 2002-06-25 Delphi Technologies, Inc. Plunger assembly having a preset spring force pre-load
US6329726B1 (en) * 2000-03-03 2001-12-11 Broadband Telcom Power, Inc. Proportional distribution of power from a plurality of power sources
DE60111372D1 (de) * 2000-03-24 2005-07-14 Fmc Technologies Tubingaufhängung mit annulusbohrung
US6965302B2 (en) 2000-04-14 2005-11-15 Current Technologies, Llc Power line communication system and method of using the same
US6998962B2 (en) 2000-04-14 2006-02-14 Current Technologies, Llc Power line communication apparatus and method of using the same
US7615893B2 (en) * 2000-05-11 2009-11-10 Cameron International Corporation Electric control and supply system
DE20115471U1 (de) * 2001-09-19 2003-02-20 Biester Klaus Universelles Energieversorgungssystem
DE20115474U1 (de) * 2001-09-19 2003-02-20 Biester Klaus Gleichspannungs-Wandlervorrichtung
NO312376B1 (no) 2000-05-16 2002-04-29 Kongsberg Offshore As Fremgangsmåte og anordning for styring av ventiler av en undervannsinstallasjon
US6559385B1 (en) * 2000-07-14 2003-05-06 3M Innovative Properties Company Stranded cable and method of making
DE10038814A1 (de) * 2000-08-09 2002-02-21 Abb Research Ltd Hochspannungs-Gleichstromwandler
US6763889B2 (en) * 2000-08-14 2004-07-20 Schlumberger Technology Corporation Subsea intervention
US6741162B1 (en) 2000-10-04 2004-05-25 Conexant Systems, Inc. Power line networking apparatus and method
US6937923B1 (en) * 2000-11-01 2005-08-30 Weatherford/Lamb, Inc. Controller system for downhole applications
US6269015B1 (en) * 2000-11-08 2001-07-31 Sansha Electric Manufacturing Company, Limited Power supply apparatus for ARC-utilizing apparatuses
US6385057B1 (en) * 2001-01-31 2002-05-07 Bartronics, Inc. Power conversion system and method of power conversion
DE10114075B4 (de) 2001-03-22 2005-08-18 Semikron Elektronik Gmbh Stromrichterschaltungsanordnung für Generatoren mit dynamisch veränderlicher Leistungsabgabe
JP4132811B2 (ja) * 2001-12-25 2008-08-13 株式会社ジーシー 歯科用アルギン酸塩印象材組成物
US7075414B2 (en) * 2003-05-13 2006-07-11 Current Technologies, Llc Device and method for communicating data signals through multiple power line conductors

Also Published As

Publication number Publication date
US7851949B2 (en) 2010-12-14
GB2398189B (en) 2006-07-26
DE20115474U1 (de) 2003-02-20
WO2003026115A3 (en) 2003-12-31
NO20041134L (no) 2004-05-18
US20090021076A1 (en) 2009-01-22
US20040246753A1 (en) 2004-12-09
GB2398189A (en) 2004-08-11
NO20092162L (no) 2004-05-18
WO2003026115A2 (en) 2003-03-27
NO336324B1 (no) 2015-08-03
US7433214B2 (en) 2008-10-07
GB0408522D0 (en) 2004-05-19
AU2002342711A1 (en) 2003-04-01
BR0212647A (pt) 2004-10-05

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