GB2101430B - Overload monitor for electrical machines - Google Patents

Overload monitor for electrical machines

Info

Publication number
GB2101430B
GB2101430B GB08215134A GB8215134A GB2101430B GB 2101430 B GB2101430 B GB 2101430B GB 08215134 A GB08215134 A GB 08215134A GB 8215134 A GB8215134 A GB 8215134A GB 2101430 B GB2101430 B GB 2101430B
Authority
GB
United Kingdom
Prior art keywords
electrical machines
overload monitor
overload
monitor
machines
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
Application number
GB08215134A
Other versions
GB2101430A (en
Inventor
Hans-Hagen Heine
Manfred Schoenen
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 GB2101430A publication Critical patent/GB2101430A/en
Application granted granted Critical
Publication of GB2101430B publication Critical patent/GB2101430B/en
Expired 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)
  • Fuses (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Control Of Direct Current Motors (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB08215134A 1981-05-25 1982-05-24 Overload monitor for electrical machines Expired GB2101430B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3121779A DE3121779C2 (en) 1981-05-25 1981-05-25 Method for monitoring the effective current in DC machines to prevent overload and electronic overload protection for carrying out the method

Publications (2)

Publication Number Publication Date
GB2101430A GB2101430A (en) 1983-01-12
GB2101430B true GB2101430B (en) 1985-01-09

Family

ID=6133693

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08215134A Expired GB2101430B (en) 1981-05-25 1982-05-24 Overload monitor for electrical machines

Country Status (10)

Country Link
JP (1) JPS57199492A (en)
BE (1) BE893263A (en)
CS (1) CS233724B2 (en)
DD (1) DD202082A5 (en)
DE (1) DE3121779C2 (en)
ES (1) ES8303708A1 (en)
FR (1) FR2506535A1 (en)
GB (1) GB2101430B (en)
IT (1) IT1218315B (en)
RO (1) RO83801B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8319465B2 (en) 2007-03-19 2012-11-27 Siemens Aktiengesellschaft Method for the automatic adjustment of a protective device having an excess-current release, particularly a low-voltage circuit breaker

Families Citing this family (5)

* 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 (en) * 1989-04-29 1990-10-31 Telefunken Electronic Gmbh Motor overload detection circuit for hand-tool - compares current and voltage values obtained from current flux angle and motor revs
DE102005038225A1 (en) * 2005-08-12 2007-02-15 Robert Bosch Gmbh Method and device for overload detection in hand tools
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 (en) * 1976-07-06 1978-01-12 Siemens Ag DEVICE FOR MONITORING THE HEATING OF A CURRENT ELECTRICAL DEVICE
JPS55157927A (en) * 1979-05-24 1980-12-09 Fuji Electric Co Ltd Electronic overload protecting device
DE2922197A1 (en) * 1979-05-31 1980-12-04 Hirschmann Radiotechnik AUTOMATIC OVERLOAD SHUTDOWN DEVICE FOR DC MOTOR DRIVES
US4291355A (en) * 1979-07-30 1981-09-22 General Electric Company Programmable overload circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8319465B2 (en) 2007-03-19 2012-11-27 Siemens Aktiengesellschaft Method for the automatic adjustment of a protective device having an excess-current release, particularly a low-voltage circuit breaker

Also Published As

Publication number Publication date
IT8220165A0 (en) 1982-03-15
FR2506535A1 (en) 1982-11-26
RO83801A (en) 1984-04-02
CS233724B2 (en) 1985-03-14
IT1218315B (en) 1990-04-12
RO83801B (en) 1984-04-30
GB2101430A (en) 1983-01-12
ES510277A0 (en) 1983-02-01
JPS57199492A (en) 1982-12-07
DE3121779C2 (en) 1984-02-02
BE893263A (en) 1982-09-16
DD202082A5 (en) 1983-08-24
ES8303708A1 (en) 1983-02-01
DE3121779A1 (en) 1982-12-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee