SE9703952L - Belastningsvakt - Google Patents

Belastningsvakt

Info

Publication number
SE9703952L
SE9703952L SE9703952A SE9703952A SE9703952L SE 9703952 L SE9703952 L SE 9703952L SE 9703952 A SE9703952 A SE 9703952A SE 9703952 A SE9703952 A SE 9703952A SE 9703952 L SE9703952 L SE 9703952L
Authority
SE
Sweden
Prior art keywords
load
cpu
motor
limit
current motor
Prior art date
Application number
SE9703952A
Other languages
Unknown language ( )
English (en)
Other versions
SE516155C2 (sv
SE9703952D0 (sv
Inventor
Lars-Olof Olofsson
Martin Ranger
Per Zellman
Original Assignee
Emotron Ab
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 Emotron Ab filed Critical Emotron Ab
Priority to SE9703952A priority Critical patent/SE516155C2/sv
Publication of SE9703952D0 publication Critical patent/SE9703952D0/sv
Priority to DE69836918T priority patent/DE69836918T2/de
Priority to AU97696/98A priority patent/AU9769698A/en
Priority to EP98951858A priority patent/EP1027759B1/en
Priority to PCT/SE1998/001909 priority patent/WO1999025049A1/sv
Publication of SE9703952L publication Critical patent/SE9703952L/sv
Priority to US09/559,146 priority patent/US6879260B1/en
Publication of SE516155C2 publication Critical patent/SE516155C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • 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
    • H02H7/085—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 against excessive load

Landscapes

  • Control Of Electric Motors In General (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
SE9703952A 1997-10-28 1997-10-28 Belastningsvakt SE516155C2 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9703952A SE516155C2 (sv) 1997-10-28 1997-10-28 Belastningsvakt
DE69836918T DE69836918T2 (de) 1997-10-28 1998-10-22 Lastanzeiger
AU97696/98A AU9769698A (en) 1997-10-28 1998-10-22 Load indicator
EP98951858A EP1027759B1 (en) 1997-10-28 1998-10-22 Load indicator
PCT/SE1998/001909 WO1999025049A1 (sv) 1997-10-28 1998-10-22 Load indicator
US09/559,146 US6879260B1 (en) 1997-10-28 2000-04-27 Load indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9703952A SE516155C2 (sv) 1997-10-28 1997-10-28 Belastningsvakt

Publications (3)

Publication Number Publication Date
SE9703952D0 SE9703952D0 (sv) 1997-10-28
SE9703952L true SE9703952L (sv) 1999-04-29
SE516155C2 SE516155C2 (sv) 2001-11-26

Family

ID=20408790

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9703952A SE516155C2 (sv) 1997-10-28 1997-10-28 Belastningsvakt

Country Status (6)

Country Link
US (1) US6879260B1 (sv)
EP (1) EP1027759B1 (sv)
AU (1) AU9769698A (sv)
DE (1) DE69836918T2 (sv)
SE (1) SE516155C2 (sv)
WO (1) WO1999025049A1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1875782B1 (en) * 2005-04-18 2010-10-20 Freescale Semiconductor Inc. Current driver circuit and method of operation therefor
US7855517B2 (en) 2005-04-18 2010-12-21 Freescale Semiconductor, Inc. Current driver circuit and method of operation therefor
EP1772960B1 (en) * 2005-10-07 2009-03-04 Emotron AB Load monitor
US8421639B2 (en) * 2008-11-21 2013-04-16 Veris Industries, Llc Branch current monitor with an alarm
SE538929C2 (sv) * 2015-06-18 2017-02-21 Scania Cv Ab A method of monitoring an electric motor
US10403116B2 (en) 2017-06-20 2019-09-03 General Electric Company Electrical signature analysis of electrical rotating machines

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1602051A (en) * 1977-04-27 1981-11-04 Matsushita Electric Ind Co Ltd Motor speed adjusting apparatus
US4195291A (en) * 1978-04-24 1980-03-25 Ward Industries, Inc. Digital controlled rotation sensor
US4249117A (en) * 1979-05-01 1981-02-03 Black And Decker, Inc. Anti-kickback power tool control
SE417754B (sv) 1980-01-29 1981-04-06 Elfi Innovationer Belastningsindikator for vexelstromsmotorer
US4539562A (en) * 1982-12-30 1985-09-03 The Scott & Fetzer Company Load current monitoring device for detecting predetermined degree of change in load impedance
DE3776377D1 (de) * 1986-03-10 1992-03-12 Siemens Ag Einrichtung zum betriebsmaessigen elektronischen verarbeiten von betriebsdaten eines elektromotors.
DE3634731A1 (de) * 1986-10-11 1988-04-21 Horst W M Kramer Verfahren zur begrenzung oder unterbrechung des stromes einer antriebsvorrichtung beim erreichen oder ueberschreiten eines oberen stromgrenzwertes und schutzschaltung zur durchfuehrung des verfahrens
DE4230873A1 (de) * 1992-09-16 1994-03-17 Leica Mikroskopie & Syst Verfahren und Vorrichtung zur elektronischen Überlastüberwachung an elektromotorischen Antrieben
US5512883A (en) * 1992-11-03 1996-04-30 Lane, Jr.; William E. Method and device for monitoring the operation of a motor
JPH0759376A (ja) * 1993-06-04 1995-03-03 Tokai Rika Co Ltd モータ電流検出回路
US6078263A (en) * 1996-02-20 2000-06-20 Rs Parts Distributors, Inc. Method and apparatus for ensuring safe operation of electric overhead door
US5867357A (en) * 1997-06-19 1999-02-02 Eaton Corporation Dynamic protection circuit for a motor type load

Also Published As

Publication number Publication date
US6879260B1 (en) 2005-04-12
SE516155C2 (sv) 2001-11-26
WO1999025049A1 (sv) 1999-05-20
DE69836918T2 (de) 2007-06-21
AU9769698A (en) 1999-05-31
EP1027759B1 (en) 2007-01-17
SE9703952D0 (sv) 1997-10-28
DE69836918D1 (de) 2007-03-08
EP1027759A1 (en) 2000-08-16

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Legal Events

Date Code Title Description
NUG Patent has lapsed