BR112021023723A2 - Fonte de alimentação para um forno a arco com circuito conversor - Google Patents
Fonte de alimentação para um forno a arco com circuito conversorInfo
- Publication number
- BR112021023723A2 BR112021023723A2 BR112021023723A BR112021023723A BR112021023723A2 BR 112021023723 A2 BR112021023723 A2 BR 112021023723A2 BR 112021023723 A BR112021023723 A BR 112021023723A BR 112021023723 A BR112021023723 A BR 112021023723A BR 112021023723 A2 BR112021023723 A2 BR 112021023723A2
- Authority
- BR
- Brazil
- Prior art keywords
- converter circuit
- arc furnace
- power supply
- circuit
- input
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
- H02M5/12—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion of voltage or current amplitude only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/257—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Inverter Devices (AREA)
- Ac-Ac Conversion (AREA)
- Discharge Heating (AREA)
- Rectifiers (AREA)
Abstract
fonte de alimentação para um forno a arco com circuito conversor. a presente invenção se refere a um sistema de alimentação (12) para um forno elétrico a arco (10) que compreende uma entrada ac (20) conectável a uma rede elétrica (22) e uma saída ac (24) para fornecer pelo menos um eletrodo de energia (14) do arco forno (10). o sistema de alimentação (12) compreende ainda um circuito conversor (46a, 46b, 46c) interligado entre a entrada ac (20) e a saída ac (24). o circuito conversor (46a, 46b, 46c) compreende pelo menos uma célula conversora (64) com um capacitor (108) e comutadores semicondutores (104) para conectar em série o capacitor entre uma entrada de circuito (56) e uma saída de circuito (58) do circuito conversor (46a, 46b, 46c).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19182897.9A EP3758446A1 (en) | 2019-06-27 | 2019-06-27 | Arc furnace power supply with converter circuit |
PCT/EP2020/062153 WO2020259900A1 (en) | 2019-06-27 | 2020-04-30 | Arc furnace power supply with converter circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021023723A2 true BR112021023723A2 (pt) | 2022-01-04 |
Family
ID=67105882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021023723A BR112021023723A2 (pt) | 2019-06-27 | 2020-04-30 | Fonte de alimentação para um forno a arco com circuito conversor |
Country Status (10)
Country | Link |
---|---|
US (1) | US20220271681A1 (pt) |
EP (2) | EP3758446A1 (pt) |
JP (1) | JP7500624B2 (pt) |
CN (1) | CN114946114A (pt) |
AU (1) | AU2020306347B2 (pt) |
BR (1) | BR112021023723A2 (pt) |
CA (1) | CA3141669C (pt) |
ES (1) | ES2936642T3 (pt) |
WO (1) | WO2020259900A1 (pt) |
ZA (1) | ZA202109373B (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3758211A1 (en) * | 2019-06-27 | 2020-12-30 | ABB Schweiz AG | Arc furnace power supply with resonant circuit |
WO2023161897A1 (en) * | 2022-02-27 | 2023-08-31 | B. G. Negev Technologies And Applications Ltd., At Ben-Gurion University | Resonant power conversion systems and methods |
EP4398474A1 (de) | 2023-01-09 | 2024-07-10 | Primetals Technologies Germany GmbH | Elektrische anordnung |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1236363B (it) * | 1989-11-30 | 1993-02-25 | Danieli Off Mecc | Forno elettrico ad arco diretto a corrente controllata e procedimento di alimentazione a corrente controllata di un forno ad arco diretto |
DE4232585A1 (de) | 1992-09-23 | 1994-03-24 | Mannesmann Ag | Dreiphasige Lichtbogenofenanlage mit Drossel |
GB2294821A (en) * | 1994-11-04 | 1996-05-08 | Gec Alsthom Ltd | Multilevel converter |
US5655380A (en) * | 1995-06-06 | 1997-08-12 | Engelhard/Icc | Step function inverter system |
US6274851B1 (en) * | 1999-08-31 | 2001-08-14 | Inverpower Controls Ltd. | Electric arc furnace controller |
WO2001053434A1 (en) | 2000-01-21 | 2001-07-26 | Integrated Environmental Technologies, Llc. | Methods and apparatus for treating waste |
AU2002246920A1 (en) * | 2000-10-27 | 2002-08-06 | Emerson Electric Co. | Uninterruptible power supply |
US6603795B2 (en) | 2001-02-08 | 2003-08-05 | Hatch Associates Ltd. | Power control system for AC electric arc furnace |
DE102005038702A1 (de) * | 2005-08-15 | 2007-02-22 | Sms Demag Ag | Elektronischer Schaltkreis und Verfahren zum Einspeisen von elektrischer Energie in einen Wechselstrom-Elektroofen |
DE102008049610A1 (de) * | 2008-09-30 | 2010-04-08 | Siemens Aktiengesellschaft | Stromversorgungsanlage für einen Drehstrom-Lichtbogenofen mit Zwischenkreisumrichter zwischen Netzanschluss und Ofentransformator |
CN102388518A (zh) * | 2009-04-09 | 2012-03-21 | Abb技术有限公司 | 用于交换电力的装置 |
CN102195289A (zh) * | 2011-07-18 | 2011-09-21 | 华北电力大学 | 一种基于级联结构的混合型有源电力滤波器 |
KR101389579B1 (ko) * | 2012-12-28 | 2014-04-29 | 주식회사 효성 | 전력용 컨버터 |
EP2947766A1 (de) * | 2014-05-19 | 2015-11-25 | Siemens Aktiengesellschaft | Stromversorgung für eine nichtlineare Last mit Multilevel-Matrixumrichtern |
EP3303959B1 (en) * | 2015-06-05 | 2020-10-14 | Hatch Ltd. | Flicker control for electric arc furnace |
WO2019084674A1 (en) | 2017-10-31 | 2019-05-09 | Hatch Ltd. | Line control circuit configuration |
-
2019
- 2019-06-27 EP EP19182897.9A patent/EP3758446A1/en not_active Withdrawn
-
2020
- 2020-04-30 WO PCT/EP2020/062153 patent/WO2020259900A1/en active Application Filing
- 2020-04-30 AU AU2020306347A patent/AU2020306347B2/en active Active
- 2020-04-30 ES ES20721267T patent/ES2936642T3/es active Active
- 2020-04-30 US US17/623,125 patent/US20220271681A1/en active Pending
- 2020-04-30 BR BR112021023723A patent/BR112021023723A2/pt unknown
- 2020-04-30 JP JP2021577567A patent/JP7500624B2/ja active Active
- 2020-04-30 CA CA3141669A patent/CA3141669C/en active Active
- 2020-04-30 CN CN202080046523.3A patent/CN114946114A/zh active Pending
- 2020-04-30 EP EP20721267.1A patent/EP3991288B1/en active Active
-
2021
- 2021-11-22 ZA ZA2021/09373A patent/ZA202109373B/en unknown
Also Published As
Publication number | Publication date |
---|---|
ES2936642T3 (es) | 2023-03-21 |
ZA202109373B (en) | 2022-08-31 |
JP2022538320A (ja) | 2022-09-01 |
KR20220025727A (ko) | 2022-03-03 |
CN114946114A (zh) | 2022-08-26 |
AU2020306347B2 (en) | 2023-02-02 |
CA3141669A1 (en) | 2020-12-30 |
AU2020306347A1 (en) | 2021-12-16 |
WO2020259900A1 (en) | 2020-12-30 |
EP3991288A1 (en) | 2022-05-04 |
EP3991288B1 (en) | 2022-11-02 |
EP3758446A1 (en) | 2020-12-30 |
JP7500624B2 (ja) | 2024-06-17 |
US20220271681A1 (en) | 2022-08-25 |
CA3141669C (en) | 2023-01-10 |
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