SE8004214L - Skyddsanordning for en vexelriktare i en frekvensomformare med mellankrets - Google Patents
Skyddsanordning for en vexelriktare i en frekvensomformare med mellankretsInfo
- Publication number
- SE8004214L SE8004214L SE8004214A SE8004214A SE8004214L SE 8004214 L SE8004214 L SE 8004214L SE 8004214 A SE8004214 A SE 8004214A SE 8004214 A SE8004214 A SE 8004214A SE 8004214 L SE8004214 L SE 8004214L
- Authority
- SE
- Sweden
- Prior art keywords
- protective device
- inverter
- exchange
- exchange inverter
- protective
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1216—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for AC-AC 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
- H02M5/40—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 with intermediate conversion into dc
- H02M5/42—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 with intermediate conversion into dc by static converters
- H02M5/44—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 with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/443—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 with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/45—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 with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M5/4505—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 with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only having a rectifier with controlled elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Rectifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792924729 DE2924729C2 (de) | 1979-06-16 | 1979-06-16 | Schaltungsanordnung zum Schutz des Wechselrichters in einem Zwischenkreisumrichter |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8004214L true SE8004214L (sv) | 1980-12-17 |
SE445598B SE445598B (sv) | 1986-06-30 |
Family
ID=6073586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8004214A SE445598B (sv) | 1979-06-16 | 1980-06-05 | Skyddsanordning for en styrbar vexelriktare i en frekvensomformare |
Country Status (3)
Country | Link |
---|---|
AT (1) | ATA309880A ( ) |
DE (1) | DE2924729C2 ( ) |
SE (1) | SE445598B ( ) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3128638A1 (de) * | 1981-07-20 | 1983-07-07 | Loher Gmbh, 8399 Ruhstorf | Schaltungsanordnung zum schutz von umrichterbauelementen gegen ueberspannungen |
JPS5889073A (ja) * | 1981-11-24 | 1983-05-27 | Hitachi Ltd | 電流形インバ−タ装置 |
DE4420341C1 (de) * | 1994-06-01 | 1995-07-06 | Licentia Gmbh | Verfahren zum Schutz der Leistungshalbleiter eines Wechselrichters in einem Gleichstromzwischenkreisumrichter |
DE4438779C2 (de) * | 1994-07-26 | 1996-06-13 | Licentia Gmbh | Verfahren zum Betrieb eines eine Asynchronmaschine speisenden Gleichstromzwischenkreisumrichters bei kurzzeitgen Netzunterspannungen |
WO2011008567A2 (en) * | 2009-06-29 | 2011-01-20 | Ideal Power Converters, Inc. | Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1513518B2 (de) * | 1965-08-28 | 1971-12-30 | Siemens AG, 1000 Berlin u. 8000 München | Einrichtung zur zwangskommutierung fuer einen selbstgefuehrten stromrichter zur steuerung der drehzahl und drehrichtung eines drehstrommotors |
-
1979
- 1979-06-16 DE DE19792924729 patent/DE2924729C2/de not_active Expired
-
1980
- 1980-06-05 SE SE8004214A patent/SE445598B/sv not_active IP Right Cessation
- 1980-06-12 AT AT309880A patent/ATA309880A/de not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE445598B (sv) | 1986-06-30 |
ATA309880A (de) | 1992-05-15 |
DE2924729C2 (de) | 1985-01-10 |
DE2924729A1 (de) | 1980-12-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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