BR112021023723A2 - Fonte de alimentação para um forno a arco com circuito conversor - Google Patents

Fonte de alimentação para um forno a arco com circuito conversor

Info

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
Application number
BR112021023723A
Other languages
English (en)
Inventor
Karl Steimer Peter
Original Assignee
Abb Schweiz Ag
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 Abb Schweiz Ag filed Critical Abb Schweiz Ag
Publication of BR112021023723A2 publication Critical patent/BR112021023723A2/pt

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).
BR112021023723A 2019-06-27 2020-04-30 Fonte de alimentação para um forno a arco com circuito conversor BR112021023723A2 (pt)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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