FR2349987A1 - Circuit de protection pour circuit a courant continu - Google Patents
Circuit de protection pour circuit a courant continuInfo
- Publication number
- FR2349987A1 FR2349987A1 FR7712771A FR7712771A FR2349987A1 FR 2349987 A1 FR2349987 A1 FR 2349987A1 FR 7712771 A FR7712771 A FR 7712771A FR 7712771 A FR7712771 A FR 7712771A FR 2349987 A1 FR2349987 A1 FR 2349987A1
- Authority
- FR
- France
- Prior art keywords
- circuit
- direct current
- protection
- protection circuit
- current circuit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- H02H7/08—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 dynamo-electric motors
- H02H7/0833—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 dynamo-electric motors for electric motors with control arrangements
- H02H7/0844—Fail safe control, e.g. by comparing control signal and controlled current, isolating motor on commutation error
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/90—Specific system operational feature
- Y10S388/903—Protective, e.g. voltage or current limit
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/907—Specific control circuit element or device
- Y10S388/917—Thyristor or scr
- Y10S388/92—Chopper
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP51047762A JPS5812829B2 (ja) | 1976-04-28 | 1976-04-28 | 直流回路の保護装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2349987A1 true FR2349987A1 (fr) | 1977-11-25 |
FR2349987B1 FR2349987B1 (fr) | 1983-02-18 |
Family
ID=12784372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7712771A Granted FR2349987A1 (fr) | 1976-04-28 | 1977-04-27 | Circuit de protection pour circuit a courant continu |
Country Status (4)
Country | Link |
---|---|
US (1) | US4126889A (fr) |
JP (1) | JPS5812829B2 (fr) |
DE (1) | DE2718798C3 (fr) |
FR (1) | FR2349987A1 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5941553B2 (ja) * | 1977-04-26 | 1984-10-08 | セイコーエプソン株式会社 | 電子時計 |
WO1980001526A1 (fr) * | 1978-02-09 | 1980-07-24 | Caterpillar Tractor Co | Commande pour moteur a courant continu avec champ excite separement |
IT1110628B (it) * | 1979-01-30 | 1985-12-23 | Sp El Srl | Circuito per la protezione automatica dei transistori di potenza particolarmente per convertitori a commutazione o simili |
DE2946930A1 (de) * | 1979-11-21 | 1981-05-27 | Düpro AG, Romanshorn | Geraet zum reinigen textiler bodenbelaege |
US4361788A (en) * | 1980-05-07 | 1982-11-30 | Towmotor Corporation | Dual-motor drive circuit with high current switching |
US4454503A (en) * | 1981-09-03 | 1984-06-12 | General Electric Company | Transistor fault indicator |
DE3138361A1 (de) * | 1981-09-26 | 1983-04-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Kurzschluss-ueberwachungsschaltung |
US4539618A (en) * | 1982-04-05 | 1985-09-03 | Siemens-Allis, Inc. | Digitally controlled overload relay |
JPH082918Y2 (ja) * | 1987-09-14 | 1996-01-29 | 三菱電機株式会社 | しゃ断器の不足電圧引はずし制御装置 |
JPH0787602A (ja) | 1993-09-17 | 1995-03-31 | Matsushita Electric Ind Co Ltd | 電気自動車の保護装置 |
US5944635A (en) * | 1998-01-28 | 1999-08-31 | Digital Concepts Of Missouri, Inc. | Safety shutdown and latch off |
CN101988934A (zh) * | 2009-07-30 | 2011-03-23 | 鸿富锦精密工业(深圳)有限公司 | 欠压侦测与报警电路 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1283359B (de) * | 1965-04-20 | 1968-11-21 | Ericsson Telefon Ab L M | Kombinierte UEberstrom- und UEberspannungsschutzeinrichtung |
DE1265835B (de) * | 1965-11-05 | 1968-04-11 | Gen Electric | Schaltung zur UEberwachung der Leitungsdauer eines den Anker eines Gleichstrommotorsimpulsweise von einer Stromquelle mit Strom versorgenden Thyristors |
US3484652A (en) * | 1967-07-17 | 1969-12-16 | Allis Chalmers Mfg Co | Protection of a pulse modulated power system |
GB1344614A (en) * | 1970-02-17 | 1974-01-23 | Cableform Ltd | Improvements in or relating to control means for electric motors operated from batteries |
JPS5213608B2 (fr) * | 1972-12-04 | 1977-04-15 | ||
JPS5531720B2 (fr) * | 1972-12-04 | 1980-08-20 | ||
US3902105A (en) * | 1973-12-26 | 1975-08-26 | Raymond Corp | Thyristor motor control circuit |
JPS5111131A (en) * | 1974-07-19 | 1976-01-29 | Hitachi Ltd | Sairisutachotsupano tenryushitsupaikenshutsukairo |
-
1976
- 1976-04-28 JP JP51047762A patent/JPS5812829B2/ja not_active Expired
-
1977
- 1977-04-15 US US05/787,844 patent/US4126889A/en not_active Expired - Lifetime
- 1977-04-27 DE DE2718798A patent/DE2718798C3/de not_active Expired
- 1977-04-27 FR FR7712771A patent/FR2349987A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2349987B1 (fr) | 1983-02-18 |
JPS52132322A (en) | 1977-11-07 |
DE2718798B2 (de) | 1981-07-09 |
DE2718798C3 (de) | 1982-04-08 |
US4126889A (en) | 1978-11-21 |
DE2718798A1 (de) | 1977-11-17 |
JPS5812829B2 (ja) | 1983-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |