ZA200701679B - Electronic circuit and method for electric power supply to an alternative current electric furnace - Google Patents
Electronic circuit and method for electric power supply to an alternative current electric furnace Download PDFInfo
- Publication number
- ZA200701679B ZA200701679B ZA200701679A ZA200701679A ZA200701679B ZA 200701679 B ZA200701679 B ZA 200701679B ZA 200701679 A ZA200701679 A ZA 200701679A ZA 200701679 A ZA200701679 A ZA 200701679A ZA 200701679 B ZA200701679 B ZA 200701679B
- Authority
- ZA
- South Africa
- Prior art keywords
- electric
- electrode
- current
- power controller
- arc
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 17
- 238000010891 electric arc Methods 0.000 claims description 47
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910002555 FeNi Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- H05B7/18—Heating by arc discharge
-
- 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
-
- 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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/22—Furnaces without an endless core
- H05B6/30—Arrangements for remelting or zone melting
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electromagnetism (AREA)
- Discharge Heating (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
- Control Of Voltage And Current In General (AREA)
- Control Of Electrical Variables (AREA)
- General Induction Heating (AREA)
- Emergency Protection Circuit Devices (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005038702A DE102005038702A1 (de) | 2005-08-15 | 2005-08-15 | Elektronischer Schaltkreis und Verfahren zum Einspeisen von elektrischer Energie in einen Wechselstrom-Elektroofen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200701679B true ZA200701679B (en) | 2008-04-30 |
Family
ID=37622201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200701679A ZA200701679B (en) | 2005-08-15 | 2007-02-26 | Electronic circuit and method for electric power supply to an alternative current electric furnace |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US8665924B2 (de) |
| EP (1) | EP1915889B1 (de) |
| JP (1) | JP4729582B2 (de) |
| KR (1) | KR100848863B1 (de) |
| CN (1) | CN101091416B (de) |
| AT (1) | ATE412333T1 (de) |
| CA (1) | CA2583481C (de) |
| DE (2) | DE102005038702A1 (de) |
| ES (1) | ES2314935T3 (de) |
| RU (1) | RU2331991C1 (de) |
| TW (1) | TWI413455B (de) |
| UA (1) | UA86999C2 (de) |
| WO (1) | WO2007019943A1 (de) |
| ZA (1) | ZA200701679B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9417321B2 (en) | 2010-04-26 | 2016-08-16 | Hatch Ltd. | Measurement of charge bank level in a metallurgical furnace |
| JP5725183B2 (ja) * | 2010-09-10 | 2015-05-27 | 三星エスディアイ株式会社Ｓａｍｓｕｎｇ ＳＤＩ Ｃｏ．，Ｌｔｄ． | エネルギー保存システム及びその制御方法 |
| DE102014206008A1 (de) * | 2014-03-31 | 2015-10-01 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zur dynamischen Einstellung eines Elektrolichtbogenofens |
| WO2019084674A1 (en) | 2017-10-31 | 2019-05-09 | Hatch Ltd. | Line control circuit configuration |
| EP3758446A1 (de) | 2019-06-27 | 2020-12-30 | ABB Schweiz AG | Lichtbogenofenstromversorgung mit wandlerschaltung |
| EP4568098A1 (de) * | 2023-12-05 | 2025-06-11 | GE Energy Power Conversion Technology Limited | Stromversorgungssystem für lichtbogenofen und zugehöriger lichtbogenofen und verfahren |
| EP4568097A1 (de) * | 2023-12-05 | 2025-06-11 | GE Energy Power Conversion Technology Limited | Stromversorgungssystem für lichtbogenofen und zugehöriger lichtbogenofen und verfahren |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE972422C (de) * | 1955-09-28 | 1959-07-16 | Siemens Ag | Einrichtung zur Minderung der Stromschwankungen bei Lichtbogenoefen |
| DE2034874A1 (de) * | 1970-07-07 | 1972-01-20 | Licentia Gmbh | Anordnung zur Speisung eines Lichtbo genofens |
| JPS531463B2 (de) * | 1972-04-26 | 1978-01-19 | ||
| JPS5345932B2 (de) * | 1973-04-19 | 1978-12-09 | ||
| SU1121791A1 (ru) * | 1982-10-25 | 1984-10-30 | Предприятие П/Я А-7845 | Способ питани дуги переменного тока и устройство дл его осуществлени |
| JPS59115211A (ja) * | 1982-12-22 | 1984-07-03 | 凸版印刷株式会社 | 結束装置 |
| 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 |
| JP2665868B2 (ja) * | 1992-12-28 | 1997-10-22 | 株式会社三社電機製作所 | 電気炉用電源装置 |
| RU2069613C1 (ru) * | 1995-01-26 | 1996-11-27 | Владимир Олегович Бушма | Способ дуговой сварки и источник питания для его осуществления |
| US5991327A (en) * | 1995-10-26 | 1999-11-23 | Inverpower Controls Ltd. | Smart predictive line controller for AC and DC electric arc furnaces |
| JPH10311681A (ja) | 1997-05-14 | 1998-11-24 | Nkk Corp | 複式直流アーク溶解炉 |
| JPH1198683A (ja) * | 1997-09-20 | 1999-04-09 | Sca:Kk | 負荷電流制御装置 |
| KR100540187B1 (ko) * | 1999-12-23 | 2006-01-12 | 재단법인 포항산업과학연구원 | 리액터와 트라이액으로 이루어진 가변임피던스회로를 갖는교류전기로 |
| US6603795B2 (en) * | 2001-02-08 | 2003-08-05 | Hatch Associates Ltd. | Power control system for AC electric arc furnace |
| JP2004334623A (ja) * | 2003-05-09 | 2004-11-25 | Hakko Electric Mach Works Co Ltd | 温度制御装置 |
-
2005
- 2005-08-15 DE DE102005038702A patent/DE102005038702A1/de not_active Withdrawn
-
2006
- 2006-07-20 TW TW095126467A patent/TWI413455B/zh not_active IP Right Cessation
- 2006-07-24 JP JP2007543867A patent/JP4729582B2/ja active Active
- 2006-07-24 WO PCT/EP2006/007247 patent/WO2007019943A1/de not_active Ceased
- 2006-07-24 EP EP06776359A patent/EP1915889B1/de active Active
- 2006-07-24 CA CA2583481A patent/CA2583481C/en active Active
- 2006-07-24 CN CN2006800014703A patent/CN101091416B/zh active Active
- 2006-07-24 RU RU2007114727/09A patent/RU2331991C1/ru not_active IP Right Cessation
- 2006-07-24 AT AT06776359T patent/ATE412333T1/de active
- 2006-07-24 ES ES06776359T patent/ES2314935T3/es active Active
- 2006-07-24 US US11/665,435 patent/US8665924B2/en active Active
- 2006-07-24 KR KR1020077006349A patent/KR100848863B1/ko not_active Expired - Fee Related
- 2006-07-24 DE DE502006001904T patent/DE502006001904D1/de active Active
- 2006-07-24 UA UAA200705126A patent/UA86999C2/uk unknown
-
2007
- 2007-02-26 ZA ZA200701679A patent/ZA200701679B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007019943A1 (de) | 2007-02-22 |
| EP1915889B1 (de) | 2008-10-22 |
| US20080123714A1 (en) | 2008-05-29 |
| DE502006001904D1 (de) | 2008-12-04 |
| TWI413455B (zh) | 2013-10-21 |
| CA2583481C (en) | 2011-06-07 |
| UA86999C2 (uk) | 2009-06-10 |
| JP4729582B2 (ja) | 2011-07-20 |
| EP1915889A1 (de) | 2008-04-30 |
| ATE412333T1 (de) | 2008-11-15 |
| KR100848863B1 (ko) | 2008-07-29 |
| KR20070088525A (ko) | 2007-08-29 |
| TW200711541A (en) | 2007-03-16 |
| US8665924B2 (en) | 2014-03-04 |
| JP2008522375A (ja) | 2008-06-26 |
| DE102005038702A1 (de) | 2007-02-22 |
| RU2331991C1 (ru) | 2008-08-20 |
| ES2314935T3 (es) | 2009-03-16 |
| CN101091416B (zh) | 2010-07-21 |
| CN101091416A (zh) | 2007-12-19 |
| CA2583481A1 (en) | 2007-02-22 |
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