SE9704453L - Transformator med spänningsregleringsorgan - Google Patents

Transformator med spänningsregleringsorgan

Info

Publication number
SE9704453L
SE9704453L SE9704453A SE9704453A SE9704453L SE 9704453 L SE9704453 L SE 9704453L SE 9704453 A SE9704453 A SE 9704453A SE 9704453 A SE9704453 A SE 9704453A SE 9704453 L SE9704453 L SE 9704453L
Authority
SE
Sweden
Prior art keywords
transformer
electric field
regulating
voltage regulator
winding
Prior art date
Application number
SE9704453A
Other languages
English (en)
Other versions
SE9704453D0 (sv
SE510452C2 (sv
Inventor
Udo Fromm
Christian Sasse
Albert Jaksts
Thorsten Schuette
Paer Holmberg
Mats Leijon
Original Assignee
Asea Brown Boveri
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
Priority claimed from SE9700335A external-priority patent/SE508556C2/sv
Application filed by Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9704453A priority Critical patent/SE510452C2/sv
Publication of SE9704453D0 publication Critical patent/SE9704453D0/sv
Priority to EEP199900286A priority patent/EE03458B1/xx
Priority to US09/355,726 priority patent/US6995646B1/en
Priority to DE69826243T priority patent/DE69826243T2/de
Priority to CZ0269899A priority patent/CZ298079B6/cs
Priority to AU58902/98A priority patent/AU5890298A/en
Priority to PCT/SE1998/000151 priority patent/WO1998034249A1/en
Priority to EP98902348A priority patent/EP0956571B1/en
Priority to JP53279398A priority patent/JP2001509955A/ja
Priority to AT98902348T priority patent/ATE276578T1/de
Publication of SE9704453L publication Critical patent/SE9704453L/sv
Publication of SE510452C2 publication Critical patent/SE510452C2/sv
Priority to IS5114A priority patent/IS5114A/is

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/02—Adaptations of transformers or inductances for specific applications or functions for non-linear operation
    • H01F38/04—Adaptations of transformers or inductances for specific applications or functions for non-linear operation for frequency changing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/15—Machines characterised by cable windings, e.g. high-voltage cables, ribbon cables
SE9704453A 1997-02-03 1997-11-28 Transformator med spänningsregleringsorgan SE510452C2 (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE9704453A SE510452C2 (sv) 1997-02-03 1997-11-28 Transformator med spänningsregleringsorgan
AT98902348T ATE276578T1 (de) 1997-02-03 1998-02-02 Transformator mit spannungsregelungsmitteln
JP53279398A JP2001509955A (ja) 1997-02-03 1998-02-02 電圧調整手段を持つ変圧器
EEP199900286A EE03458B1 (et) 1997-02-03 1998-02-02 Pinge reguleerimisvahendiga trafo
US09/355,726 US6995646B1 (en) 1997-02-03 1998-02-02 Transformer with voltage regulating means
DE69826243T DE69826243T2 (de) 1997-02-03 1998-02-02 Transformator mit spannungsregelungsmitteln
CZ0269899A CZ298079B6 (cs) 1997-02-03 1998-02-02 Transformátor s prostredkem pro regulaci napetí
AU58902/98A AU5890298A (en) 1997-02-03 1998-02-02 Transformer with voltage regulating means
PCT/SE1998/000151 WO1998034249A1 (en) 1997-02-03 1998-02-02 Transformer with voltage regulating means
EP98902348A EP0956571B1 (en) 1997-02-03 1998-02-02 Transformer with voltage regulating means
IS5114A IS5114A (is) 1997-02-03 1999-07-13 Spennir með spennustillibúnaði

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9700335A SE508556C2 (sv) 1997-02-03 1997-02-03 Krafttransformator/reaktor
SE9704453A SE510452C2 (sv) 1997-02-03 1997-11-28 Transformator med spänningsregleringsorgan

Publications (3)

Publication Number Publication Date
SE9704453D0 SE9704453D0 (sv) 1997-11-28
SE9704453L true SE9704453L (sv) 1998-08-04
SE510452C2 SE510452C2 (sv) 1999-05-25

Family

ID=26662860

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9704453A SE510452C2 (sv) 1997-02-03 1997-11-28 Transformator med spänningsregleringsorgan

Country Status (11)

Country Link
US (1) US6995646B1 (sv)
EP (1) EP0956571B1 (sv)
JP (1) JP2001509955A (sv)
AT (1) ATE276578T1 (sv)
AU (1) AU5890298A (sv)
CZ (1) CZ298079B6 (sv)
DE (1) DE69826243T2 (sv)
EE (1) EE03458B1 (sv)
IS (1) IS5114A (sv)
SE (1) SE510452C2 (sv)
WO (1) WO1998034249A1 (sv)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001258367B2 (en) 2000-04-24 2004-07-08 Shell Internationale Research Maatschappij B.V. In situ recovery of hydrocarbons from a kerogen-containing formation
CZ302224B6 (cs) * 2005-09-13 2010-12-29 Foglar@Jaroslav Soustava pro regulaci napetí
US7635023B2 (en) 2006-04-21 2009-12-22 Shell Oil Company Time sequenced heating of multiple layers in a hydrocarbon containing formation
US20090200290A1 (en) * 2007-10-19 2009-08-13 Paul Gregory Cardinal Variable voltage load tap changing transformer
US8151907B2 (en) 2008-04-18 2012-04-10 Shell Oil Company Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations
CA2739088A1 (en) 2008-10-13 2010-04-22 Shell Internationale Research Maatschappij B.V. Systems and methods of forming subsurface wellbores
US8434555B2 (en) 2009-04-10 2013-05-07 Shell Oil Company Irregular pattern treatment of a subsurface formation
JP5502504B2 (ja) * 2010-01-25 2014-05-28 株式会社東芝 変電所自動制御システム
US9033042B2 (en) 2010-04-09 2015-05-19 Shell Oil Company Forming bitumen barriers in subsurface hydrocarbon formations
US9127538B2 (en) 2010-04-09 2015-09-08 Shell Oil Company Methodologies for treatment of hydrocarbon formations using staged pyrolyzation
US8631866B2 (en) 2010-04-09 2014-01-21 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US8833453B2 (en) 2010-04-09 2014-09-16 Shell Oil Company Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness
CN101820225A (zh) * 2010-05-08 2010-09-01 永济新时速电机电器有限责任公司 用于机车主变流柜例行试验站的可调高压电源
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
US8391938B2 (en) * 2011-06-15 2013-03-05 Electric Power Research Institute, Inc. Transportable rapid deployment superconducting transformer
WO2013052561A2 (en) 2011-10-07 2013-04-11 Shell Oil Company Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations
US8901790B2 (en) 2012-01-03 2014-12-02 General Electric Company Cooling of stator core flange
DE102012103048B4 (de) * 2012-04-10 2016-01-07 Maschinenfabrik Reinhausen Gmbh Regeltransformatoren zur Spannungsregelung mit Halbleiter-Schaltelementen
US9947450B1 (en) 2012-07-19 2018-04-17 The Boeing Company Magnetic core signal modulation
US9159487B2 (en) 2012-07-19 2015-10-13 The Boeing Company Linear electromagnetic device
US9455084B2 (en) 2012-07-19 2016-09-27 The Boeing Company Variable core electromagnetic device
US9568563B2 (en) 2012-07-19 2017-02-14 The Boeing Company Magnetic core flux sensor
US9651633B2 (en) 2013-02-21 2017-05-16 The Boeing Company Magnetic core flux sensor
CN107004470A (zh) 2014-08-07 2017-08-01 汉高股份有限及两合公司 用于成束电力传输电缆中的电线的电瓷涂层
US10403429B2 (en) 2016-01-13 2019-09-03 The Boeing Company Multi-pulse electromagnetic device including a linear magnetic core configuration
CN114141496B (zh) * 2021-12-03 2024-02-06 特变电工衡阳变压器有限公司 有载调压变压器

Family Cites Families (106)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1304451A (en) 1919-05-20 Locke h
US681800A (en) 1901-06-18 1901-09-03 Oskar Lasche Stationary armature and inductor.
US847008A (en) 1904-06-10 1907-03-12 Isidor Kitsee Converter.
US1418856A (en) 1919-05-02 1922-06-06 Allischalmers Mfg Company Dynamo-electric machine
US1481585A (en) 1919-09-16 1924-01-22 Electrical Improvements Ltd Electric reactive winding
US1756672A (en) 1922-10-12 1930-04-29 Allis Louis Co Dynamo-electric machine
US1508456A (en) 1924-01-04 1924-09-16 Perfection Mfg Co Ground clamp
US1728915A (en) 1928-05-05 1929-09-24 Earl P Blankenship Line saver and restrainer for drilling cables
US1781308A (en) 1928-05-30 1930-11-11 Ericsson Telefon Ab L M High-frequency differential transformer
US1762775A (en) 1928-09-19 1930-06-10 Bell Telephone Labor Inc Inductance device
US1747507A (en) 1929-05-10 1930-02-18 Westinghouse Electric & Mfg Co Reactor structure
US1742985A (en) 1929-05-20 1930-01-07 Gen Electric Transformer
US1861182A (en) 1930-01-31 1932-05-31 Okonite Co Electric conductor
US1904885A (en) 1930-06-13 1933-04-18 Western Electric Co Capstan
US1974406A (en) 1930-12-13 1934-09-25 Herbert F Apple Dynamo electric machine core slot lining
US2006170A (en) 1933-05-11 1935-06-25 Gen Electric Winding for the stationary members of alternating current dynamo-electric machines
US2217430A (en) 1938-02-26 1940-10-08 Westinghouse Electric & Mfg Co Water-cooled stator for dynamoelectric machines
US2206856A (en) 1938-05-31 1940-07-02 William E Shearer Transformer
US2241832A (en) 1940-05-07 1941-05-13 Hugo W Wahlquist Method and apparatus for reducing harmonics in power systems
US2256897A (en) 1940-07-24 1941-09-23 Cons Edison Co New York Inc Insulating joint for electric cable sheaths and method of making same
US2295415A (en) 1940-08-02 1942-09-08 Westinghouse Electric & Mfg Co Air-cooled, air-insulated transformer
US2251291A (en) 1940-08-10 1941-08-05 Western Electric Co Strand handling apparatus
US2415652A (en) 1942-06-03 1947-02-11 Kerite Company High-voltage cable
US2462651A (en) 1944-06-12 1949-02-22 Gen Electric Electric induction apparatus
US2424443A (en) 1944-12-06 1947-07-22 Gen Electric Dynamoelectric machine
US2459322A (en) 1945-03-16 1949-01-18 Allis Chalmers Mfg Co Stationary induction apparatus
US2409893A (en) 1945-04-30 1946-10-22 Westinghouse Electric Corp Semiconducting composition
US2436306A (en) 1945-06-16 1948-02-17 Westinghouse Electric Corp Corona elimination in generator end windings
US2446999A (en) 1945-11-07 1948-08-17 Gen Electric Magnetic core
US2498238A (en) 1947-04-30 1950-02-21 Westinghouse Electric Corp Resistance compositions and products thereof
US2650350A (en) 1948-11-04 1953-08-25 Gen Electric Angular modulating system
US2721905A (en) 1949-03-04 1955-10-25 Webster Electric Co Inc Transducer
US2749456A (en) 1952-06-23 1956-06-05 Us Electrical Motors Inc Waterproof stator construction for submersible dynamo-electric machine
US2780771A (en) 1953-04-21 1957-02-05 Vickers Inc Magnetic amplifier
US2962679A (en) 1955-07-25 1960-11-29 Gen Electric Coaxial core inductive structures
US2846599A (en) 1956-01-23 1958-08-05 Wetomore Hodges Electric motor components and the like and method for making the same
US2947957A (en) 1957-04-22 1960-08-02 Zenith Radio Corp Transformers
US2885581A (en) 1957-04-29 1959-05-05 Gen Electric Arrangement for preventing displacement of stator end turns
CA635218A (en) 1958-01-02 1962-01-23 W. Smith John Reinforced end turns in dynamoelectric machines
US2943242A (en) 1958-02-05 1960-06-28 Pure Oil Co Anti-static grounding device
US2975309A (en) 1958-07-18 1961-03-14 Komplex Nagyberendezesek Expor Oil-cooled stators for turboalternators
US3014139A (en) 1959-10-27 1961-12-19 Gen Electric Direct-cooled cable winding for electro magnetic device
US3157806A (en) 1959-11-05 1964-11-17 Bbc Brown Boveri & Cie Synchronous machine with salient poles
US3158770A (en) 1960-12-14 1964-11-24 Gen Electric Armature bar vibration damping arrangement
US3098893A (en) 1961-03-30 1963-07-23 Gen Electric Low electrical resistance composition and cable made therefrom
US3130335A (en) 1961-04-17 1964-04-21 Epoxylite Corp Dynamo-electric machine
US3197723A (en) 1961-04-26 1965-07-27 Ite Circuit Breaker Ltd Cascaded coaxial cable transformer
US3143269A (en) 1961-11-29 1964-08-04 Crompton & Knowles Corp Tractor-type stock feed
US3268766A (en) 1964-02-04 1966-08-23 Du Pont Apparatus for removal of electric charges from dielectric film surfaces
US3372283A (en) 1965-02-15 1968-03-05 Ampex Attenuation control device
SE318939B (sv) 1965-03-17 1969-12-22 Asea Ab
US3304599A (en) 1965-03-30 1967-02-21 Teletype Corp Method of manufacturing an electromagnet having a u-shaped core
DE1488353A1 (de) 1965-07-15 1969-06-26 Siemens Ag Permanentmagneterregte elektrische Maschine
US3365657A (en) 1966-03-04 1968-01-23 Nasa Usa Power supply
GB1117433A (en) 1966-06-07 1968-06-19 English Electric Co Ltd Improvements in alternating current generators
US3444407A (en) 1966-07-20 1969-05-13 Gen Electric Rigid conductor bars in dynamoelectric machine slots
US3484690A (en) 1966-08-23 1969-12-16 Herman Wald Three current winding single stator network meter for 3-wire 120/208 volt service
US3418530A (en) 1966-09-07 1968-12-24 Army Usa Electronic crowbar
US3354331A (en) 1966-09-26 1967-11-21 Gen Electric High voltage grading for dynamoelectric machine
US3392779A (en) 1966-10-03 1968-07-16 Certain Teed Prod Corp Glass fiber cooling means
US3437858A (en) 1966-11-17 1969-04-08 Glastic Corp Slot wedge for electric motors or generators
SU469196A1 (ru) 1967-10-30 1975-04-30 Двигатель-генератор установки дл электроснабжени пассажирских вагонов
FR1555807A (sv) 1967-12-11 1969-01-31
GB1226451A (sv) 1968-03-15 1971-03-31
CH479975A (de) 1968-08-19 1969-10-15 Oerlikon Maschf Wickelkopfbandage für eine elektrische Maschine
US3651402A (en) 1969-01-27 1972-03-21 Honeywell Inc Supervisory apparatus
US3813764A (en) 1969-06-09 1974-06-04 Res Inst Iron Steel Method of producing laminated pancake type superconductive magnets
US3651244A (en) 1969-10-15 1972-03-21 Gen Cable Corp Power cable with corrugated or smooth longitudinally folded metallic shielding tape
SE326758B (sv) 1969-10-29 1970-08-03 Asea Ab
US3666876A (en) 1970-07-17 1972-05-30 Exxon Research Engineering Co Novel compositions with controlled electrical properties
US3631519A (en) 1970-12-21 1971-12-28 Gen Electric Stress graded cable termination
US3675056A (en) 1971-01-04 1972-07-04 Gen Electric Hermetically sealed dynamoelectric machine
US3644662A (en) 1971-01-11 1972-02-22 Gen Electric Stress cascade-graded cable termination
US3660721A (en) 1971-02-01 1972-05-02 Gen Electric Protective equipment for an alternating current power distribution system
US3684906A (en) 1971-03-26 1972-08-15 Gen Electric Castable rotor having radially venting laminations
US3684821A (en) 1971-03-30 1972-08-15 Sumitomo Electric Industries High voltage insulated electric cable having outer semiconductive layer
US3716719A (en) 1971-06-07 1973-02-13 Aerco Corp Modulated output transformers
JPS4831403A (sv) 1971-08-27 1973-04-25
US3746954A (en) 1971-09-17 1973-07-17 Sqare D Co Adjustable voltage thyristor-controlled hoist control for a dc motor
US3727085A (en) 1971-09-30 1973-04-10 Gen Dynamics Corp Electric motor with facility for liquid cooling
US3740600A (en) 1971-12-12 1973-06-19 Gen Electric Self-supporting coil brace
US3743867A (en) 1971-12-20 1973-07-03 Massachusetts Inst Technology High voltage oil insulated and cooled armature windings
DE2164078A1 (de) 1971-12-23 1973-06-28 Siemens Ag Antriebsanordnung mit einem nach art einer synchronmaschine ausgebildeten linearmotor
US3699238A (en) 1972-02-29 1972-10-17 Anaconda Wire & Cable Co Flexible power cable
US3758699A (en) 1972-03-15 1973-09-11 G & W Electric Speciality Co Apparatus and method for dynamically cooling a cable termination
US3710293A (en) * 1972-03-30 1973-01-09 Westinghouse Electric Corp Insulating member for transformer coils
US3716652A (en) 1972-04-18 1973-02-13 G & W Electric Speciality Co System for dynamically cooling a high voltage cable termination
US3787607A (en) 1972-05-31 1974-01-22 Teleprompter Corp Coaxial cable splice
JPS5213612B2 (sv) 1972-06-07 1977-04-15
US3801843A (en) 1972-06-16 1974-04-02 Gen Electric Rotating electrical machine having rotor and stator cooled by means of heat pipes
CH547028A (de) 1972-06-16 1974-03-15 Bbc Brown Boveri & Cie Glimmschutzfolie, verfahren zu ihrer herstellung sowie ihre verwendung bei hochspannungswicklungen.
US3792399A (en) 1972-08-28 1974-02-12 Nasa Banded transformer cores
US3778891A (en) 1972-10-30 1973-12-18 Westinghouse Electric Corp Method of securing dynamoelectric machine coils by slot wedge and filler locking means
US3932791A (en) 1973-01-22 1976-01-13 Oswald Joseph V Multi-range, high-speed A.C. over-current protection means including a static switch
SE371348B (sv) 1973-03-22 1974-11-11 Asea Ab
US3781739A (en) 1973-03-28 1973-12-25 Westinghouse Electric Corp Interleaved winding for electrical inductive apparatus
US3881647A (en) 1973-04-30 1975-05-06 Lebus International Inc Anti-slack line handling device
US3828115A (en) 1973-07-27 1974-08-06 Kerite Co High voltage cable having high sic insulation layer between low sic insulation layers and terminal construction thereof
US3912957A (en) 1973-12-27 1975-10-14 Gen Electric Dynamoelectric machine stator assembly with multi-barrel connection insulator
US3902000A (en) 1974-11-12 1975-08-26 Us Energy Termination for superconducting power transmission systems
CH629622A5 (de) * 1978-04-10 1982-04-30 Bbc Brown Boveri & Cie Schwenktransformator zur stufenweisen einstellung des uebersetzungsverhaeltnisses und der phasenschwenkung und verfahren zum betrieb des schwenktransformators.
US4335367A (en) * 1979-08-17 1982-06-15 Tokyo Shibaura Denki Kabushiki Kaisha Electrically insulated coil
US5036165A (en) * 1984-08-23 1991-07-30 General Electric Co. Semi-conducting layer for insulated electrical conductors
US4818909A (en) * 1988-01-15 1989-04-04 General Electric Company Insulated coil assembly
GB9226925D0 (en) * 1992-12-24 1993-02-17 Anglia Electronic Tech Ltd Transformer winding
JP2674944B2 (ja) * 1993-12-13 1997-11-12 日本電気株式会社 多層巻きコイルおよびその製造方法

Also Published As

Publication number Publication date
WO1998034249A1 (en) 1998-08-06
JP2001509955A (ja) 2001-07-24
EE03458B1 (et) 2001-06-15
IS5114A (is) 1999-07-13
ATE276578T1 (de) 2004-10-15
EE9900286A (et) 2000-02-15
DE69826243D1 (de) 2004-10-21
AU5890298A (en) 1998-08-25
DE69826243T2 (de) 2005-10-20
US6995646B1 (en) 2006-02-07
CZ269899A3 (cs) 1999-11-17
CZ298079B6 (cs) 2007-06-13
SE9704453D0 (sv) 1997-11-28
EP0956571B1 (en) 2004-09-15
EP0956571A1 (en) 1999-11-17
SE510452C2 (sv) 1999-05-25

Similar Documents

Publication Publication Date Title
SE9704453L (sv) Transformator med spänningsregleringsorgan
SE8105031L (sv) Nodstromsaggregat
DE69417587D1 (de) Zweifacher spannungsregler mit fold-back-strombegrenzung
DE8533421U1 (sv)
EP0376726A3 (en) Generator voltage regulator power circuit
FR2664121B1 (fr) Coffret d'appareils electriques basse tension.
ATE343242T1 (de) Reihenschlussmotor mit kommutator
DK288588A (da) Maaletransformator til maaling af den i en elektriskleder loebende stroem
DE69223481T2 (de) Elektrischer verbinder zur stromversorgung
JPS5654527A (en) Ac power voltage regulator
SE9704454D0 (sv) Winding in transformer or inductor
BR9301197A (pt) Instrumento transformador de corrente para cabos de forca
EP0455589A3 (en) Base for a low voltage-high power fuse or load-break device provided with a current transformer
GB2296113B (en) Voltage and current mode power regulator
ES1024359U (es) Transformador trifasico encapsulado de baja tension y pequena potencia.
KR930024329U (ko) 전력수급용 계기용 변압·변류기
ES514711A0 (es) "procedimiento y dispositivo de regulacion de la tension de un generador de corriente electrica continua".
JPS56150933A (en) Voltage regulator for magnet type ac generator
JPS5728530A (en) Voltage regulator for magnet type ac generator
JPS5743527A (en) Voltage regulator for magnet type ac generator
FI964948A (sv) Med strömdelare försedd strömmättransformator
JPS6485532A (en) On-load tap changer
SG28270A1 (en) Dual voltage voltage regulator with foldback current limiting
GB8408274D0 (en) Switching regulator for electrical power supplies
AP9200444A0 (en) Current regulator plug.

Legal Events

Date Code Title Description
NUG Patent has lapsed