JPS57199492A - Method of monitoring effective current in dc machine and electronic overload preventing safety device - Google Patents

Method of monitoring effective current in dc machine and electronic overload preventing safety device

Info

Publication number
JPS57199492A
JPS57199492A JP57085651A JP8565182A JPS57199492A JP S57199492 A JPS57199492 A JP S57199492A JP 57085651 A JP57085651 A JP 57085651A JP 8565182 A JP8565182 A JP 8565182A JP S57199492 A JPS57199492 A JP S57199492A
Authority
JP
Japan
Prior art keywords
machine
safety device
effective current
preventing safety
electronic overload
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.)
Pending
Application number
JP57085651A
Other languages
English (en)
Japanese (ja)
Inventor
Shiyoonen Manfureeto
Haine Hansuuhaagen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vodafone GmbH
Original Assignee
Mannesmann AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of JPS57199492A publication Critical patent/JPS57199492A/ja
Pending legal-status Critical Current

Links

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)
  • Control Of Direct Current Motors (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fuses (AREA)
JP57085651A 1981-05-25 1982-05-20 Method of monitoring effective current in dc machine and electronic overload preventing safety device Pending JPS57199492A (en)

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 (1)

Publication Number Publication Date
JPS57199492A true JPS57199492A (en) 1982-12-07

Family

ID=6133693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57085651A Pending JPS57199492A (en) 1981-05-25 1982-05-20 Method of monitoring effective current in dc machine and electronic overload preventing safety device

Country Status (10)

Country Link
JP (1) JPS57199492A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE893263A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CS (1) CS233724B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DD (1) DD202082A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3121779C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES8303708A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2506535A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2101430B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1218315B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
RO (1) RO83801B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2506535A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-11-26
BE893263A (fr) 1982-09-16
RO83801B (ro) 1984-04-30
IT8220165A0 (it) 1982-03-15
RO83801A (ro) 1984-04-02
GB2101430B (en) 1985-01-09
CS233724B2 (en) 1985-03-14
GB2101430A (en) 1983-01-12
DD202082A5 (de) 1983-08-24
DE3121779C2 (de) 1984-02-02
ES510277A0 (es) 1983-02-01
IT1218315B (it) 1990-04-12
DE3121779A1 (de) 1982-12-23
ES8303708A1 (es) 1983-02-01

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