SE501025C2 - Ugnsutrustning - Google Patents
UgnsutrustningInfo
- Publication number
- SE501025C2 SE501025C2 SE9300897A SE9300897A SE501025C2 SE 501025 C2 SE501025 C2 SE 501025C2 SE 9300897 A SE9300897 A SE 9300897A SE 9300897 A SE9300897 A SE 9300897A SE 501025 C2 SE501025 C2 SE 501025C2
- Authority
- SE
- Sweden
- Prior art keywords
- furnace
- arc
- electrode
- equipment according
- short
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 11
- 238000005457 optimization Methods 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000000819 phase cycle Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000008901 benefit Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 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
- H05B7/02—Details
- H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
- H05B7/148—Automatic control of power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Discharge Heating (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Vending Machines For Individual Products (AREA)
- Control Of Electrical Variables (AREA)
- Furnace Details (AREA)
- Arc Welding Control (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9300897A SE501025C2 (sv) | 1993-03-18 | 1993-03-18 | Ugnsutrustning |
| AT94910071T ATE191310T1 (de) | 1993-03-18 | 1994-01-31 | Ofenausrüstung |
| PCT/SE1994/000072 WO1994022279A1 (en) | 1993-03-18 | 1994-01-31 | Furnace equipment |
| CN94191969A CN1056719C (zh) | 1993-03-18 | 1994-01-31 | 熔炉设备 |
| ES94910071T ES2147785T3 (es) | 1993-03-18 | 1994-01-31 | Equipo de horno. |
| US08/325,308 US5583883A (en) | 1993-03-18 | 1994-01-31 | Electric arc-furnace stabilization using voltage pulse injection |
| EP94910071A EP0691068B1 (en) | 1993-03-18 | 1994-01-31 | Furnace equipment |
| DE69423749T DE69423749T2 (de) | 1993-03-18 | 1994-01-31 | Ofenausrüstung |
| TW083102184A TW255008B (enExample) | 1993-03-18 | 1994-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9300897A SE501025C2 (sv) | 1993-03-18 | 1993-03-18 | Ugnsutrustning |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9300897D0 SE9300897D0 (sv) | 1993-03-18 |
| SE9300897L SE9300897L (sv) | 1994-09-19 |
| SE501025C2 true SE501025C2 (sv) | 1994-10-24 |
Family
ID=20389269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9300897A SE501025C2 (sv) | 1993-03-18 | 1993-03-18 | Ugnsutrustning |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5583883A (enExample) |
| EP (1) | EP0691068B1 (enExample) |
| CN (1) | CN1056719C (enExample) |
| AT (1) | ATE191310T1 (enExample) |
| DE (1) | DE69423749T2 (enExample) |
| ES (1) | ES2147785T3 (enExample) |
| SE (1) | SE501025C2 (enExample) |
| TW (1) | TW255008B (enExample) |
| WO (1) | WO1994022279A1 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5991327A (en) * | 1995-10-26 | 1999-11-23 | Inverpower Controls Ltd. | Smart predictive line controller for AC and DC electric arc furnaces |
| RU2163423C1 (ru) * | 1999-06-09 | 2001-02-20 | Тульский государственный университет | Способ определения параметров индуктивного взаимодействия между фазами трехэлектродной электропечи |
| US6274851B1 (en) | 1999-08-31 | 2001-08-14 | Inverpower Controls Ltd. | Electric arc furnace controller |
| ES2172433B1 (es) * | 2000-10-19 | 2003-06-16 | Ferroatlantica Sl | Equipo multifrecuencia detector del estado de los electrodos en los hornos de arco electrico. |
| JP4727111B2 (ja) * | 1999-11-16 | 2011-07-20 | ハイドロ−ケベック | アーク炉の再点弧を促進する方法および装置 |
| 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 |
| EP1375628A3 (en) * | 2000-01-21 | 2004-12-08 | Integrated Environmental Technologies, Llc. | Methods and apparatus for treating waste |
| BRPI0515356B1 (pt) | 2004-09-01 | 2017-10-10 | Hatch Ltd. | "electric oven and method for operating an electric oven" |
| US20080056327A1 (en) * | 2006-08-30 | 2008-03-06 | Hatch Ltd. | Method and system for predictive electrode lowering in a furnace |
| DE102013227190A1 (de) * | 2013-12-27 | 2015-07-02 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zur stabilen Lichtbogenerzeugung und insbesondere zur Erhöhung des Wirkleistungseintrags bei einem Elektrolichtbogenofen |
| CN105259439A (zh) * | 2015-10-19 | 2016-01-20 | 湖北华宏电力科技有限公司 | 矿热炉熔池运行电气参数在线检测装置 |
| EP3297403A1 (de) * | 2016-09-15 | 2018-03-21 | Primetals Technologies Germany GmbH | Umrichtergespeister lichtbogenofen mit kondensatoranordnung im sekundärkreis |
| CN209844851U (zh) * | 2018-02-11 | 2019-12-24 | 于文 | 新型直流冶炼电炉 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2250711C3 (de) * | 1972-10-16 | 1978-06-08 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Steuerbare Stromversorgungsanlage für einen Lichtbogen-Schmelzofen |
| FR2462079A1 (fr) * | 1979-07-19 | 1981-02-06 | Cem Comp Electro Mec | Procede et dispositif de regulation d'arc sur les fours a arc |
| US4677643A (en) * | 1984-03-09 | 1987-06-30 | Licentia Patent-Verwaltungs-Gmbh | Device for feeding one or a plurality of electrodes in an electrothermal furnace |
| DE3512177C2 (de) * | 1985-04-03 | 1997-01-16 | Mannesmann Ag | Verfahren zur Symmetrierung elektrischer Größen in Drehstrom-Lichtbogenöfen und Vorrichtung zur Durchführung des Verfahrens |
| DE3544005A1 (de) * | 1985-12-13 | 1987-06-19 | Leybold Heraeus Gmbh & Co Kg | Einrichtung zum regeln des abstandes einer schmelzelektrode zur oberflaeche des schmelzguts in einem vakuumlichtbogenofen |
| CA2030686C (en) * | 1989-11-30 | 1999-10-05 | Gianni Gensini | Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current |
| US5155740A (en) * | 1990-10-22 | 1992-10-13 | Nkk Corporation | Flicker compensating apparatus for DC arc furnace |
| DE4309640A1 (de) * | 1993-03-25 | 1994-09-29 | Abb Management Ag | Gleichstrom-Lichtbogenofenanlage |
-
1993
- 1993-03-18 SE SE9300897A patent/SE501025C2/sv not_active IP Right Cessation
-
1994
- 1994-01-31 WO PCT/SE1994/000072 patent/WO1994022279A1/en not_active Ceased
- 1994-01-31 US US08/325,308 patent/US5583883A/en not_active Expired - Fee Related
- 1994-01-31 DE DE69423749T patent/DE69423749T2/de not_active Expired - Fee Related
- 1994-01-31 CN CN94191969A patent/CN1056719C/zh not_active Expired - Fee Related
- 1994-01-31 AT AT94910071T patent/ATE191310T1/de not_active IP Right Cessation
- 1994-01-31 EP EP94910071A patent/EP0691068B1/en not_active Expired - Lifetime
- 1994-01-31 ES ES94910071T patent/ES2147785T3/es not_active Expired - Lifetime
- 1994-03-14 TW TW083102184A patent/TW255008B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP0691068B1 (en) | 2000-03-29 |
| ES2147785T3 (es) | 2000-10-01 |
| ATE191310T1 (de) | 2000-04-15 |
| SE9300897D0 (sv) | 1993-03-18 |
| SE9300897L (sv) | 1994-09-19 |
| CN1056719C (zh) | 2000-09-20 |
| WO1994022279A1 (en) | 1994-09-29 |
| US5583883A (en) | 1996-12-10 |
| DE69423749D1 (de) | 2000-05-04 |
| EP0691068A1 (en) | 1996-01-10 |
| TW255008B (enExample) | 1995-08-21 |
| DE69423749T2 (de) | 2000-11-09 |
| CN1122180A (zh) | 1996-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |