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IT1218315B - PROCEDURE AND ELECTRONIC OVERLOAD PROTECTION DEVICE FOR THE CONTROL OF THE ACTUAL CURRENT IN DIRECT CURRENT MACHINES - Google Patents

PROCEDURE AND ELECTRONIC OVERLOAD PROTECTION DEVICE FOR THE CONTROL OF THE ACTUAL CURRENT IN DIRECT CURRENT MACHINES

Info

Publication number
IT1218315B
IT1218315B IT20165/82A IT2016582A IT1218315B IT 1218315 B IT1218315 B IT 1218315B IT 20165/82 A IT20165/82 A IT 20165/82A IT 2016582 A IT2016582 A IT 2016582A IT 1218315 B IT1218315 B IT 1218315B
Authority
IT
Italy
Prior art keywords
procedure
control
protection device
overload protection
direct current
Prior art date
Application number
IT20165/82A
Other languages
Italian (it)
Other versions
IT8220165A0 (en
Inventor
Manfred Schoenen
Hans Hagen Heine
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 IT8220165A0 publication Critical patent/IT8220165A0/en
Application granted granted Critical
Publication of IT1218315B publication Critical patent/IT1218315B/en

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fuses (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control Of Voltage And Current In General (AREA)
IT20165/82A 1981-05-25 1982-03-15 PROCEDURE AND ELECTRONIC OVERLOAD PROTECTION DEVICE FOR THE CONTROL OF THE ACTUAL CURRENT IN DIRECT CURRENT MACHINES IT1218315B (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
IT8220165A0 IT8220165A0 (en) 1982-03-15
IT1218315B true IT1218315B (en) 1990-04-12

Family

ID=6133693

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20165/82A IT1218315B (en) 1981-05-25 1982-03-15 PROCEDURE AND ELECTRONIC OVERLOAD PROTECTION DEVICE FOR THE CONTROL OF THE ACTUAL CURRENT IN DIRECT CURRENT 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) ES510277A0 (en)
FR (1) FR2506535A1 (en)
GB (1) GB2101430B (en)
IT (1) IT1218315B (en)
RO (1) RO83801B (en)

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 (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
DE102007013551A1 (en) 2007-03-19 2008-09-25 Siemens Ag Method for automatically setting a protective device having an overcurrent release, in particular a low-voltage circuit breaker
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

Also Published As

Publication number Publication date
CS233724B2 (en) 1985-03-14
GB2101430A (en) 1983-01-12
GB2101430B (en) 1985-01-09
IT8220165A0 (en) 1982-03-15
RO83801B (en) 1984-04-30
JPS57199492A (en) 1982-12-07
FR2506535A1 (en) 1982-11-26
DE3121779A1 (en) 1982-12-23
DD202082A5 (en) 1983-08-24
BE893263A (en) 1982-09-16
DE3121779C2 (en) 1984-02-02
ES8303708A1 (en) 1983-02-01
RO83801A (en) 1984-04-02
ES510277A0 (en) 1983-02-01

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