NL1000914C2 - Werkwijze en inrichting voor continue instelling en regeling van een transformatoroverzetverhouding, alsmede transformator voorzien van een dergelijke inrichting. - Google Patents
Werkwijze en inrichting voor continue instelling en regeling van een transformatoroverzetverhouding, alsmede transformator voorzien van een dergelijke inrichting. Download PDFInfo
- Publication number
- NL1000914C2 NL1000914C2 NL1000914A NL1000914A NL1000914C2 NL 1000914 C2 NL1000914 C2 NL 1000914C2 NL 1000914 A NL1000914 A NL 1000914A NL 1000914 A NL1000914 A NL 1000914A NL 1000914 C2 NL1000914 C2 NL 1000914C2
- Authority
- NL
- Netherlands
- Prior art keywords
- transformer
- voltage
- control
- switching device
- switching
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
- G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
- G05F1/16—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices
- G05F1/20—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices combined with discharge tubes or semiconductor devices semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
- H02P13/06—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changing; by rearranging interconnections of windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Ac-Ac Conversion (AREA)
- General Induction Heating (AREA)
- Discharge Heating (AREA)
- Details Of Television Scanning (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Analogue/Digital Conversion (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Priority Applications (29)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1000914A NL1000914C2 (nl) | 1995-08-01 | 1995-08-01 | Werkwijze en inrichting voor continue instelling en regeling van een transformatoroverzetverhouding, alsmede transformator voorzien van een dergelijke inrichting. |
AT96925175T ATE197998T1 (de) | 1995-08-01 | 1996-07-26 | Verfahren und vorrichtung für die stufenlose einstellung und regulierung des windungsverhältnises eines transformatores und transformator mit einer solchen vorrichtung |
EP96925175A EP0842460B1 (en) | 1995-08-01 | 1996-07-26 | Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer provided with such a device |
PL96324658A PL180944B1 (pl) | 1995-08-01 | 1996-07-26 | Sposób i urządzenie przełączające do nastawiania przekładni zwojowej transformatora |
TR1998/00125T TR199800125T1 (xx) | 1995-08-01 | 1996-07-26 | Transformat�r d�n���m oran�n� s�rekli d�zenleme ve ayarlama i�in metod, bir alet ve s�z konusu aletle birlikte sunulan bir transformat�r. |
CZ0024598A CZ296687B6 (cs) | 1995-08-01 | 1996-07-26 | Zpusob a zarízení pro plynulou úpravu a regulaci prevodu transformátoru a transformátor vybavený takovýmto zarízením |
ES96925175T ES2153966T3 (es) | 1995-08-01 | 1996-07-26 | Metodo y dispositivo para el ajuste y la regulacion continuos de la relacion de espiras de un transformador, y transformador provisto de tal dispositivo. |
BR9609681A BR9609681A (pt) | 1995-08-01 | 1996-07-26 | Processo e dispositivo para ajuste e regulação contínua da relação de espiras de um transformador e transformador munido de tal dispositivo |
KR1019980700146A KR19990028845A (ko) | 1995-08-01 | 1996-07-26 | 변압기 권선비를 연속적으로 조절 및 조정하는 방법 및 장치,및 그러한 장치가 설치되는 변압기 |
IL12268396A IL122683A (en) | 1995-08-01 | 1996-07-26 | Method and device for adjusting the binding ratio in the transformer |
DK96925175T DK0842460T3 (da) | 1995-08-01 | 1996-07-26 | Fremgangsmåde og anordning til kontinuerlig indstilling og regulering af en transformators vindingsforhold og transformator |
DE69611176T DE69611176T2 (de) | 1995-08-01 | 1996-07-26 | Verfahren und vorrichtung für die stufenlose einstellung und regulierung des windungsverhältnises eines transformatores und transformator mit einer solchen vorrichtung |
EE9800035A EE03707B1 (et) | 1995-08-01 | 1996-07-26 | Trafo ülekandesuhte häälestamise ja reguleerimisemeetod ja seade ning taolise seadmega varustatud trafo |
NZ313314A NZ313314A (en) | 1995-08-01 | 1996-07-26 | Electronically switched transformer ratio changing |
PCT/NL1996/000304 WO1997005536A1 (en) | 1995-08-01 | 1996-07-26 | Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer provided with such a device |
PT96925175T PT842460E (pt) | 1995-08-01 | 1996-07-26 | Metodo e dispositivo para ajustamento continuo e regulacao do racio entre espiras de um transformador e transformador provido desse dispositivo |
UA98010497A UA41458C2 (uk) | 1995-08-01 | 1996-07-26 | Спосіб коректування всередині визначеного діапазону коректування коефіцієнта трансформації, пристрій перемикання для його здійснення та трансформатор з таким пристроєм перемикання |
CA002226867A CA2226867C (en) | 1995-08-01 | 1996-07-26 | Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer provided with such a device |
JP53517196A JP3383873B2 (ja) | 1995-08-01 | 1996-07-26 | 変圧器巻き数比の連続的調節及び調整のための方法及び装置、ならびにその装置を備えた変圧器 |
CN96195909A CN1122204C (zh) | 1995-08-01 | 1996-07-26 | 连续调整及调节变压器匝数比的方法与设备及变压器 |
SK90-98A SK284738B6 (sk) | 1995-08-01 | 1996-07-26 | Spôsob plynulej úpravy a regulácie prevodu transformátora, zariadenie na vykonávanie tohto spôsobu a transformátor vybavený takýmto zariadením |
AU65352/96A AU711771B2 (en) | 1995-08-01 | 1996-07-26 | Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer provided with such a device |
IS4650A IS1926B (is) | 1995-08-01 | 1998-01-15 | Aðferð og búnaður til að stilla og stýra vafningahlutfalli spennis á samfelldan hátt og spennir útbúinn með slíkum búnaði |
OA9800012A OA10658A (en) | 1995-08-01 | 1998-01-28 | Method and device for continuous adjustment and regulation of a transformer turns ratio and transfo rmer provided with such a device |
MXPA/A/1998/000816A MXPA98000816A (en) | 1995-08-01 | 1998-01-29 | Method and device for the continuous adjustment and regulation of a transformer transformation relationship provided with such device |
NO19980423A NO318108B1 (no) | 1995-08-01 | 1998-01-30 | Fremgangsmate og anordning for kontinuerlig justering og regulering av et transformatorviklingsforhold, samt transformator utstyrt med en slik anordning |
US09/016,243 US5969511A (en) | 1995-08-01 | 1998-01-30 | Method and device for continuous adjustment and regulation of transformer turns ratio, and transformer provided with such device |
HK99100764A HK1018970A1 (en) | 1995-08-01 | 1999-02-25 | Method and device for continuous adjustment and regulation of a transformer turns ration, and transformer. |
GR20000402753T GR3035065T3 (en) | 1995-08-01 | 2000-12-13 | Method and device for continuous adjustment and regulation of a transformer turns ratio, and transformer provided with such a device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1000914 | 1995-08-01 | ||
NL1000914A NL1000914C2 (nl) | 1995-08-01 | 1995-08-01 | Werkwijze en inrichting voor continue instelling en regeling van een transformatoroverzetverhouding, alsmede transformator voorzien van een dergelijke inrichting. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL1000914C2 true NL1000914C2 (nl) | 1997-02-04 |
Family
ID=19761390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1000914A NL1000914C2 (nl) | 1995-08-01 | 1995-08-01 | Werkwijze en inrichting voor continue instelling en regeling van een transformatoroverzetverhouding, alsmede transformator voorzien van een dergelijke inrichting. |
Country Status (28)
Country | Link |
---|---|
US (1) | US5969511A (no) |
EP (1) | EP0842460B1 (no) |
JP (1) | JP3383873B2 (no) |
KR (1) | KR19990028845A (no) |
CN (1) | CN1122204C (no) |
AT (1) | ATE197998T1 (no) |
AU (1) | AU711771B2 (no) |
BR (1) | BR9609681A (no) |
CA (1) | CA2226867C (no) |
CZ (1) | CZ296687B6 (no) |
DE (1) | DE69611176T2 (no) |
DK (1) | DK0842460T3 (no) |
EE (1) | EE03707B1 (no) |
ES (1) | ES2153966T3 (no) |
GR (1) | GR3035065T3 (no) |
HK (1) | HK1018970A1 (no) |
IL (1) | IL122683A (no) |
IS (1) | IS1926B (no) |
NL (1) | NL1000914C2 (no) |
NO (1) | NO318108B1 (no) |
NZ (1) | NZ313314A (no) |
OA (1) | OA10658A (no) |
PL (1) | PL180944B1 (no) |
PT (1) | PT842460E (no) |
SK (1) | SK284738B6 (no) |
TR (1) | TR199800125T1 (no) |
UA (1) | UA41458C2 (no) |
WO (1) | WO1997005536A1 (no) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19747712C2 (de) * | 1997-10-29 | 2000-09-07 | Reinhausen Maschf Scheubeck | Anordnung eines Stufenschalters an einem Stufentransformator |
IT1313209B1 (it) * | 1999-07-13 | 2002-06-17 | Abb Ricerca Spa | Reattore di tipo parallelo o serie, con regolazione elettronica dellapotenza reattiva. |
AUPQ787500A0 (en) * | 2000-05-31 | 2000-06-22 | Enersave Environmental Services Pty Ltd | A power supply altering means |
US6420856B1 (en) | 2000-12-04 | 2002-07-16 | Abb T&D Technology Ltd. | Versatile power flow transformers for compensating power flow in a transmission line |
US6335613B1 (en) | 2000-12-04 | 2002-01-01 | Abb T&D Technology Ltd. | Versatile power flow transformers for compensating power flow in a transmission line |
US6384581B1 (en) | 2000-12-04 | 2002-05-07 | Abb T&D Technology, Ltd. | Versatile power flow transformers for compensating power flow in a transmission line |
US6396248B1 (en) | 2000-12-04 | 2002-05-28 | Abb T&D Technology Ltd. | Versatile power flow transformers for compensating power flow in a transmission line |
ES2179764B2 (es) * | 2001-02-23 | 2003-10-01 | Univ Pontificia Comillas | Estabilizador de tension para aplicaciones de transporte y distribucion de energia electrica. |
DE10119664A1 (de) * | 2001-04-20 | 2002-11-14 | Reinhausen Maschf Scheubeck | Anordnung zur automatischen Spannungsregelung und Motorantrieb zur automatischen Spannungsregelung |
US6841976B1 (en) | 2001-12-19 | 2005-01-11 | Kalyan Sen | Multi-line power flow transformer for compensating power flow among transmission lines |
US6917182B2 (en) * | 2003-07-24 | 2005-07-12 | Motorola, Inc. | Method and system for providing induction charging having improved efficiency |
FR2873489B1 (fr) * | 2004-07-20 | 2006-10-06 | Areva T & D Sa | Systeme de changement de prise de transformateur en charge |
CA2476331A1 (en) * | 2004-07-30 | 2006-01-30 | Michael Becigneul | New centralized powering method |
US7737667B2 (en) * | 2004-10-14 | 2010-06-15 | Utility Systems Technologies, Inc. | 3-phase electronic tap changer commutation and device |
US8207716B2 (en) * | 2004-10-14 | 2012-06-26 | Utility Systems Technologies, Inc. | Useful improvements in the art of 3-phase electronic tap changer commutation device |
ES2274684B1 (es) * | 2005-02-15 | 2008-04-16 | Universidad De Sevilla | Cambiador de tomas para transformadores de media/baja tension. |
MXNL06000053A (es) * | 2006-08-15 | 2008-02-14 | Prolec G E S De R L De C V | Transformador de tension electrica controlada, metodo para ajustar la relacion de transformacion y dispositivo de conmutacion de tomas. |
US7298238B1 (en) | 2006-12-15 | 2007-11-20 | The United States Of America As Represented By The Secretary Of The Navy | Programmable microtransformer |
JP2008178226A (ja) * | 2007-01-18 | 2008-07-31 | Fujitsu Ltd | 電源装置および負荷装置への電源電圧の供給方法 |
KR101000321B1 (ko) | 2008-02-18 | 2010-12-13 | 이명환 | 자동전압조정기 |
AU2009243376B2 (en) * | 2008-04-30 | 2013-02-07 | Cskk(Hkg) Limited | Automatic voltage regulator |
JP2012501069A (ja) * | 2008-08-27 | 2012-01-12 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 半導体スイッチ素子を備える負荷時タップ切換器 |
JP5599796B2 (ja) * | 2008-08-27 | 2014-10-01 | マシイネンフアブリーク・ラインハウゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 負荷時タップ切換変圧器の巻線タップ間で無瞬断切換を行うための方法 |
KR100973549B1 (ko) * | 2008-09-24 | 2010-08-02 | 한국전력공사 | 영상 전류를 제한하기 위한 방법 및 장치 |
CN102246598B (zh) * | 2008-12-09 | 2014-07-23 | 硅科技有限责任公司 | 用于相位控制的装置和方法 |
DE102008064487A1 (de) † | 2008-12-22 | 2010-06-24 | Siemens Aktiengesellschaft | Mittel-Niederspannungstransformator mit Stufenschaltung |
TWI382640B (zh) * | 2009-04-15 | 2013-01-11 | Acbel Polytech Inc | Global switched power supply and its serial - to - parallel DC - to - DC power conversion circuit |
WO2010085005A1 (ko) * | 2009-01-20 | 2010-07-29 | 그린엘에너지기술주식회사 | 자동전압조정기 및 토로이달 변압기 |
DE102009014243A1 (de) | 2009-03-20 | 2010-09-23 | A. Eberle Gmbh & Co. Kg | Ortsnetztrafo, bzw. Schaltung für einen elektrischen Verteiltransformator |
DE102009017197A1 (de) | 2009-04-09 | 2010-10-14 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter mit Halbleiter-Schaltelementen |
US9256232B2 (en) * | 2009-06-12 | 2016-02-09 | Schweitzer Engineering Laboratories, Inc. | Voltage regulation using multiple voltage regulator controllers |
DE102010008972A1 (de) | 2010-02-24 | 2011-08-25 | Maschinenfabrik Reinhausen GmbH, 93059 | Stufenschalter |
DE102010008973B4 (de) * | 2010-02-24 | 2015-11-05 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter des Hybridtyps mit Halbleiterschaltelementen |
CZ306211B6 (cs) * | 2010-05-26 | 2016-10-05 | CROSS ZlĂn, s.r.o. | Transformátorová jednotka s řízenou změnou velikosti výstupního napětí |
CN101958195A (zh) * | 2010-09-19 | 2011-01-26 | 中国农业大学 | 一种变压器无弧有载分接开关 |
EP2479880B1 (de) * | 2011-01-24 | 2016-08-24 | AEG Power Solutions GmbH | Stromversorgungsanordnung zum Gleichrichten |
DE202011110289U1 (de) * | 2011-02-05 | 2013-05-28 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter |
DE102011012080A1 (de) * | 2011-02-23 | 2012-08-23 | Maschinenfabrik Reinhausen Gmbh | Stufenschalter |
DE102011108255A1 (de) * | 2011-07-22 | 2013-01-24 | ct.e Controltechnology Engineering GmbH | Verfahren zur adaptiven Regelung der Versorgungsspannung in Ortsnetzen |
WO2013018107A1 (en) * | 2011-08-01 | 2013-02-07 | Energia Europa S.R.L. | Electrical energy transformation assembly |
DK2740132T3 (en) * | 2011-08-01 | 2017-10-23 | Energia Europa S P A | Enhanced, high-efficiency energy saving device for insertion between an energy source and a motor and / or lighting load |
DE102012108363A1 (de) * | 2012-09-07 | 2014-06-12 | Aeg Power Solutions Gmbh | Verfahren zum Ändern der Spannung in einem einphasigen Stromnetz und Transformatorschaltung zum Durchführen des Verfahrens |
DE102013101652A1 (de) * | 2013-02-20 | 2014-08-21 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter mit Halbleiter-Schaltelementen und Verfahren zum Betrieb eines Laststufenschalters |
EP3098925B1 (en) * | 2014-01-25 | 2019-10-23 | Sun, Chongshan | Transient impedance transformer based on ac voltage adjustment electronic switch |
FR3024601B1 (fr) * | 2014-08-01 | 2016-09-02 | Schneider Electric Ind Sas | Dispositif d'adaptation d'un signal d'alimentation electrique, systeme d'alimentation electrique et procede d'adaptation d'un signal d'alimentation electrique associes |
ES2924762T3 (es) | 2016-10-27 | 2022-10-10 | Hitachi Energy Switzerland Ag | Módulo cambiador de derivación electrónico para transformadores |
WO2018120143A1 (en) * | 2016-12-30 | 2018-07-05 | Abb Schweiz Ag | On-load tap changer and manufacturing method thereof |
CN107367069B (zh) * | 2017-06-30 | 2018-06-26 | 佛山市顺德区约利节能设备有限公司 | 一种空气能热水器电压调控电路 |
JOP20200112A1 (ar) * | 2017-11-14 | 2020-05-13 | Goto Kanetaka | جهاز حفظ النضارة، مقلاة، جهاز التوليد للمساحة المحتملة، جهاز تنشيط المياه، جهاز الزراعة، جهاز تجفيف، جهاز إنضاح، جهاز زرع، جهاز تكييف هواء |
ES2734601B2 (es) | 2018-06-06 | 2020-07-08 | Univ Sevilla | Dispositivo cambiador estatico de tomas en carga para transformadores con devanados de regulacion discontinuos |
KR102209402B1 (ko) * | 2018-12-18 | 2021-02-01 | 주식회사 포스코 | 커패시터 커플링 구조를 갖는 직류 전압 제어 장치 |
EP3742251A1 (en) * | 2019-05-24 | 2020-11-25 | Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | Wind turbine transformer control |
CN111835247B (zh) * | 2020-08-04 | 2024-05-14 | 上海华明电力设备制造有限公司 | 电子式有载调压器及其分接头单元 |
GB2597801A (en) * | 2020-08-07 | 2022-02-09 | Bristol Bluegreen Ltd | An apparatus for regulating the voltage delivered to a load |
KR102622921B1 (ko) * | 2021-06-09 | 2024-01-10 | 한국전력공사 | 고압직류송전 시스템 및 그의 동작 방법 |
CN114171306A (zh) * | 2021-12-10 | 2022-03-11 | 中国科学院电工研究所 | 非隔离取能型有载调压变压器 |
KR102481654B1 (ko) * | 2022-05-17 | 2022-12-27 | 산일전기 주식회사 | 탭 절환 변압기의 전자식 탭 절환기 제어장치 |
CN115034568B (zh) * | 2022-05-18 | 2023-06-27 | 湖南鸿业变压器有限公司 | 一种分布式智能电网处理系统 |
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CN116313451B (zh) * | 2023-05-11 | 2023-08-29 | 三尔梯(泉州)电气制造有限公司 | 单相双极电抗器、稳压装置、三相双极电抗器及其应用 |
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US4562338A (en) * | 1983-07-15 | 1985-12-31 | Osaka Titanium Co., Ltd. | Heating power supply apparatus for polycrystalline semiconductor rods |
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JP3416809B2 (ja) * | 1994-05-27 | 2003-06-16 | 成勲 井本 | 電気調整器 |
US5786684A (en) * | 1996-09-16 | 1998-07-28 | Abb Power T&D Company, Inc. | Apparatus and methods for minimizing over voltage in a voltage regulator |
US5808454A (en) * | 1997-02-28 | 1998-09-15 | Chung; Young Choon | Alternating current power control device |
-
1995
- 1995-08-01 NL NL1000914A patent/NL1000914C2/nl not_active IP Right Cessation
-
1996
- 1996-07-26 CZ CZ0024598A patent/CZ296687B6/cs not_active IP Right Cessation
- 1996-07-26 UA UA98010497A patent/UA41458C2/uk unknown
- 1996-07-26 ES ES96925175T patent/ES2153966T3/es not_active Expired - Lifetime
- 1996-07-26 DE DE69611176T patent/DE69611176T2/de not_active Expired - Fee Related
- 1996-07-26 JP JP53517196A patent/JP3383873B2/ja not_active Expired - Fee Related
- 1996-07-26 EP EP96925175A patent/EP0842460B1/en not_active Expired - Lifetime
- 1996-07-26 IL IL12268396A patent/IL122683A/en not_active IP Right Cessation
- 1996-07-26 WO PCT/NL1996/000304 patent/WO1997005536A1/en active IP Right Grant
- 1996-07-26 SK SK90-98A patent/SK284738B6/sk not_active IP Right Cessation
- 1996-07-26 CN CN96195909A patent/CN1122204C/zh not_active Expired - Fee Related
- 1996-07-26 TR TR1998/00125T patent/TR199800125T1/xx unknown
- 1996-07-26 PL PL96324658A patent/PL180944B1/pl not_active IP Right Cessation
- 1996-07-26 NZ NZ313314A patent/NZ313314A/en unknown
- 1996-07-26 DK DK96925175T patent/DK0842460T3/da active
- 1996-07-26 CA CA002226867A patent/CA2226867C/en not_active Expired - Fee Related
- 1996-07-26 AT AT96925175T patent/ATE197998T1/de not_active IP Right Cessation
- 1996-07-26 AU AU65352/96A patent/AU711771B2/en not_active Ceased
- 1996-07-26 KR KR1019980700146A patent/KR19990028845A/ko not_active IP Right Cessation
- 1996-07-26 PT PT96925175T patent/PT842460E/pt unknown
- 1996-07-26 EE EE9800035A patent/EE03707B1/xx not_active IP Right Cessation
- 1996-07-26 BR BR9609681A patent/BR9609681A/pt not_active IP Right Cessation
-
1998
- 1998-01-15 IS IS4650A patent/IS1926B/is unknown
- 1998-01-28 OA OA9800012A patent/OA10658A/en unknown
- 1998-01-30 US US09/016,243 patent/US5969511A/en not_active Expired - Fee Related
- 1998-01-30 NO NO19980423A patent/NO318108B1/no not_active IP Right Cessation
-
1999
- 1999-02-25 HK HK99100764A patent/HK1018970A1/xx not_active IP Right Cessation
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2000
- 2000-12-13 GR GR20000402753T patent/GR3035065T3/el not_active IP Right Cessation
Patent Citations (6)
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US4562338A (en) * | 1983-07-15 | 1985-12-31 | Osaka Titanium Co., Ltd. | Heating power supply apparatus for polycrystalline semiconductor rods |
US5075617A (en) * | 1990-05-02 | 1991-12-24 | Abex Corporation | Automatic line drop compensator |
US5155672A (en) * | 1990-08-09 | 1992-10-13 | Heart Interface Corporation | Switched multi-tapped transformer power conversion method and apparatus |
US5166597A (en) * | 1991-08-08 | 1992-11-24 | Electric Power Research Institute | Phase-shifting transformer system |
US5289110A (en) * | 1992-10-14 | 1994-02-22 | Cooper Industries | Input current responsive, tap changing transformer system |
WO1994024622A1 (en) * | 1993-04-19 | 1994-10-27 | Electric Power Research Institute | Turnoff thyristor controlled series compensation system |
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