ES8303708A1 - "procedimiento para la vigilancia de la corriente efectiva en maquinas de corriente continua para impedir las sobrecargas". - Google Patents
"procedimiento para la vigilancia de la corriente efectiva en maquinas de corriente continua para impedir las sobrecargas".Info
- Publication number
- ES8303708A1 ES8303708A1 ES510277A ES510277A ES8303708A1 ES 8303708 A1 ES8303708 A1 ES 8303708A1 ES 510277 A ES510277 A ES 510277A ES 510277 A ES510277 A ES 510277A ES 8303708 A1 ES8303708 A1 ES 8303708A1
- Authority
- ES
- Spain
- Prior art keywords
- electrical machines
- current
- square
- overload monitor
- quantity representing
- 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.)
- Expired
Links
- 238000005259 measurement Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- 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
- H02H7/0811—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 dc motors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Electric Motors In General (AREA)
- Fuses (AREA)
- Control Of Voltage And Current In General (AREA)
- Control Of Direct Current Motors (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3121779A DE3121779C2 (de) | 1981-05-25 | 1981-05-25 | Verfahren zur Überwachung des Effektivstroms bei Gleichstrommaschinen zur Verhinderung einer Überlast und elektronische Überlastsicherung zur Durchführung des Verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
ES510277A0 ES510277A0 (es) | 1983-02-01 |
ES8303708A1 true ES8303708A1 (es) | 1983-02-01 |
Family
ID=6133693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES510277A Expired ES8303708A1 (es) | 1981-05-25 | 1982-03-10 | "procedimiento para la vigilancia de la corriente efectiva en maquinas de corriente continua para impedir las sobrecargas". |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS57199492A (de) |
BE (1) | BE893263A (de) |
CS (1) | CS233724B2 (de) |
DD (1) | DD202082A5 (de) |
DE (1) | DE3121779C2 (de) |
ES (1) | ES8303708A1 (de) |
FR (1) | FR2506535A1 (de) |
GB (1) | GB2101430B (de) |
IT (1) | IT1218315B (de) |
RO (1) | RO83801B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2141884A (en) * | 1983-05-18 | 1985-01-03 | R L & D Limited | Electric water heaters |
GB2154813A (en) * | 1984-02-28 | 1985-09-11 | Dolphin Showers Limited | Electric water heaters |
DE3914312A1 (de) * | 1989-04-29 | 1990-10-31 | Telefunken Electronic Gmbh | Schaltung zum erkennen der ueberbelastung eines motors |
DE102005038225A1 (de) * | 2005-08-12 | 2007-02-15 | Robert Bosch Gmbh | Verfahren und Vorrichtung für eine Überlastdetektion bei Handwerkzeugen |
DE102007013551A1 (de) | 2007-03-19 | 2008-09-25 | Siemens Ag | Verfahren zum selbsttätigen Einstellen eines einen Überstromauslöser aufweisenden Schutzgerätes, insbesondere eines Niederspannungsleistungsschalters |
US10965240B2 (en) * | 2018-08-30 | 2021-03-30 | Texas Instruments Incorporated | Method and circuit for detecting motor winding over temperature |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2630407A1 (de) * | 1976-07-06 | 1978-01-12 | Siemens Ag | Einrichtung zur ueberwachung der erwaermung eines stromdurchflossenen elektrischen geraetes |
JPS55157927A (en) * | 1979-05-24 | 1980-12-09 | Fuji Electric Co Ltd | Electronic overload protecting device |
DE2922197A1 (de) * | 1979-05-31 | 1980-12-04 | Hirschmann Radiotechnik | Selbsttaetige ueberlast-abschalteinrichtung fuer gleichstrom-motorantriebe |
US4291355A (en) * | 1979-07-30 | 1981-09-22 | General Electric Company | Programmable overload circuit |
-
1981
- 1981-05-25 DE DE3121779A patent/DE3121779C2/de not_active Expired
-
1982
- 1982-03-01 CS CS821362A patent/CS233724B2/cs unknown
- 1982-03-10 ES ES510277A patent/ES8303708A1/es not_active Expired
- 1982-03-15 IT IT20165/82A patent/IT1218315B/it active
- 1982-05-18 DD DD82239958A patent/DD202082A5/de unknown
- 1982-05-19 RO RO107594A patent/RO83801B/ro unknown
- 1982-05-19 FR FR8209077A patent/FR2506535A1/fr not_active Withdrawn
- 1982-05-20 JP JP57085651A patent/JPS57199492A/ja active Pending
- 1982-05-21 BE BE0/208155A patent/BE893263A/fr not_active IP Right Cessation
- 1982-05-24 GB GB08215134A patent/GB2101430B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2506535A1 (de) | 1982-11-26 |
CS233724B2 (en) | 1985-03-14 |
DE3121779C2 (de) | 1984-02-02 |
JPS57199492A (en) | 1982-12-07 |
GB2101430B (en) | 1985-01-09 |
IT8220165A0 (it) | 1982-03-15 |
RO83801B (ro) | 1984-04-30 |
DE3121779A1 (de) | 1982-12-23 |
IT1218315B (it) | 1990-04-12 |
ES510277A0 (es) | 1983-02-01 |
DD202082A5 (de) | 1983-08-24 |
BE893263A (fr) | 1982-09-16 |
GB2101430A (en) | 1983-01-12 |
RO83801A (ro) | 1984-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19981103 |