BRPI0702015A - dispositivo de fornecimento de energia a um forno a arco - Google Patents
dispositivo de fornecimento de energia a um forno a arcoInfo
- Publication number
- BRPI0702015A BRPI0702015A BRPI0702015-5A BRPI0702015A BRPI0702015A BR PI0702015 A BRPI0702015 A BR PI0702015A BR PI0702015 A BRPI0702015 A BR PI0702015A BR PI0702015 A BRPI0702015 A BR PI0702015A
- Authority
- BR
- Brazil
- Prior art keywords
- arc furnace
- alternating current
- power supply
- supply device
- furnace power
- Prior art date
Links
- 238000010891 electric arc Methods 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/005—Electrical diagrams
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Furnace Details (AREA)
- Discharge Heating (AREA)
- Inverter Devices (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Rectifiers (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
DISPOSITIVO DE FORNECIMENTO DE ENERGIA A UM FORNO A ARCO. A presente invenção refere-se a um dispositivo de fornecimento de energia para fomos a arco com um retificador (1), retificador (1) esse que em seu lado de tensão alternada pode ser conectado a uma rede elétrica de fornecimento de tensão alternada (2) e no seu lado de tensão contínua é conectado com um circuito de tensão contínua (3). Além disso, o dispositivo de fornecimento de energia para fomos a arco compreende um inversor (4), o qual em seu lado de tensão contínua é conectado a um circuito de tensão contínua (3) e no seu lado de tensão alternada com pelo menos um eletrodo a arco (5). Para melhoria da estabilidade e queima por igual do arco, o inversor (4) é projetado como um inversor que aplica uma tensão alternada retangular ao arco de eletrodo (5).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06405172A EP1848248B1 (de) | 2006-04-21 | 2006-04-21 | Lichtbogenofenspeisevorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0702015A true BRPI0702015A (pt) | 2008-02-19 |
Family
ID=36910911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0702015-5A BRPI0702015A (pt) | 2006-04-21 | 2007-04-19 | dispositivo de fornecimento de energia a um forno a arco |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20070247079A1 (pt) |
| EP (1) | EP1848248B1 (pt) |
| JP (1) | JP2007317651A (pt) |
| CN (1) | CN101060730A (pt) |
| AT (1) | ATE411729T1 (pt) |
| BR (1) | BRPI0702015A (pt) |
| CA (1) | CA2584591A1 (pt) |
| DE (1) | DE502006001831D1 (pt) |
| RU (1) | RU2007114964A (pt) |
| ZA (1) | ZA200703145B (pt) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008049610A1 (de) * | 2008-09-30 | 2010-04-08 | Siemens Aktiengesellschaft | Stromversorgungsanlage für einen Drehstrom-Lichtbogenofen mit Zwischenkreisumrichter zwischen Netzanschluss und Ofentransformator |
| EP2364058B1 (de) * | 2010-03-05 | 2013-10-23 | AEG Power Solutions B.V. | Stromversorgungsanordnung |
| JP5781303B2 (ja) | 2010-12-31 | 2015-09-16 | 株式会社Sumco | シリカガラスルツボ製造方法およびシリカガラスルツボ製造装置 |
| CN102680536B (zh) * | 2012-06-11 | 2013-10-09 | 西北工业大学 | 一种基于可控硅电源的真空自耗电弧炉熔滴测试方法 |
| EP2947766A1 (de) * | 2014-05-19 | 2015-11-25 | Siemens Aktiengesellschaft | Stromversorgung für eine nichtlineare Last mit Multilevel-Matrixumrichtern |
| ITUB20152674A1 (it) | 2015-07-30 | 2017-01-30 | Danieli Automation Spa | Apparato e metodo di alimentazione elettrica di un forno elettrico ad arco |
| CN105142256B (zh) * | 2015-09-16 | 2017-03-22 | 苏州汇科机电设备有限公司 | 高温真空烧结炉的馈电结构 |
| CN109672172B (zh) * | 2018-12-13 | 2021-06-15 | 中冶京诚工程技术有限公司 | 电弧炉供电装置的供电方法 |
| CN112701938B (zh) * | 2020-12-28 | 2022-03-29 | 中国航天空气动力技术研究院 | 一种组合式电弧加热器的整流电源供电控制装置 |
| CN113727483B (zh) * | 2021-09-02 | 2022-12-20 | 合肥爱普利等离子体有限责任公司 | 一种多电极交流电弧放电装置、设备及交流电源 |
| WO2025153172A1 (en) * | 2024-01-16 | 2025-07-24 | Abb Schweiz Ag | Electric arc furnace power supply system for an ac electric arc furnace |
| EP4642162A1 (de) * | 2024-04-26 | 2025-10-29 | Primetals Technologies Germany GmbH | Lichtbogenofen mit mehr als dreiphasiger speisung |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1159112B (de) * | 1962-05-30 | 1963-12-12 | Josef Schiffarth Dr Ing | Verfahren zur Regelung eines Lichtbogenofens |
| US3389189A (en) * | 1965-04-06 | 1968-06-18 | Westinghouse Electric Corp | Method and equipment for the pyrolysis and synthesis of hydrocarbons and other gasesand arc heater apparatus for use therein |
| AT285839B (de) * | 1969-02-03 | 1970-11-10 | Boehler & Co Ag Geb | Anlage zum Elektroschlackenumschmelzen von Metallen, insbesondere von Stählen |
| DE4200329C2 (de) * | 1992-01-09 | 1994-12-22 | Gutehoffnungshuette Man | Regelbare Speisestromquelle |
| US5818208A (en) * | 1996-12-19 | 1998-10-06 | Abb Power T&D Company Inc. | Flicker controllers using voltage source converters |
| DE19920049C2 (de) * | 1999-04-23 | 2001-10-11 | Sms Demag Ag | Verfahren und Vorrichtung zur Stromversorgung eines über einen Lichtbogen betriebenen Schmelzaggregates |
| US6246595B1 (en) * | 1999-10-15 | 2001-06-12 | General Electric Company | Series control of electric ARC furnaces |
| US6687284B1 (en) * | 1999-11-16 | 2004-02-03 | Centre d'Innovation sur le Transport d'Energie du Québec | Method and apparatus to facilitate restriking in an arc-furnace |
-
2006
- 2006-04-21 DE DE502006001831T patent/DE502006001831D1/de active Active
- 2006-04-21 EP EP06405172A patent/EP1848248B1/de active Active
- 2006-04-21 AT AT06405172T patent/ATE411729T1/de active
-
2007
- 2007-04-12 CA CA002584591A patent/CA2584591A1/en not_active Abandoned
- 2007-04-17 ZA ZA200703145A patent/ZA200703145B/en unknown
- 2007-04-19 CN CNA2007100983525A patent/CN101060730A/zh active Pending
- 2007-04-19 BR BRPI0702015-5A patent/BRPI0702015A/pt not_active Application Discontinuation
- 2007-04-20 US US11/785,857 patent/US20070247079A1/en not_active Abandoned
- 2007-04-20 JP JP2007112187A patent/JP2007317651A/ja not_active Withdrawn
- 2007-04-20 RU RU2007114964/02A patent/RU2007114964A/ru not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ATE411729T1 (de) | 2008-10-15 |
| CN101060730A (zh) | 2007-10-24 |
| EP1848248A1 (de) | 2007-10-24 |
| EP1848248B1 (de) | 2008-10-15 |
| CA2584591A1 (en) | 2007-10-21 |
| ZA200703145B (en) | 2008-11-26 |
| US20070247079A1 (en) | 2007-10-25 |
| DE502006001831D1 (de) | 2008-11-27 |
| RU2007114964A (ru) | 2008-10-27 |
| JP2007317651A (ja) | 2007-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
| B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |