ATE524405T1 - Überlastschutzsystem für eine elektromagnetische hebevorrichtung - Google Patents

Überlastschutzsystem für eine elektromagnetische hebevorrichtung

Info

Publication number
ATE524405T1
ATE524405T1 AT08725284T AT08725284T ATE524405T1 AT E524405 T1 ATE524405 T1 AT E524405T1 AT 08725284 T AT08725284 T AT 08725284T AT 08725284 T AT08725284 T AT 08725284T AT E524405 T1 ATE524405 T1 AT E524405T1
Authority
AT
Austria
Prior art keywords
current
lift system
current level
overload
electromagnetic lift
Prior art date
Application number
AT08725284T
Other languages
English (en)
Inventor
Xiaojun Zhang
Timothy L Cooper
James I Portscheller
Naga Raja R Mosam
Jr Michael L Ferguson
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Application granted granted Critical
Publication of ATE524405T1 publication Critical patent/ATE524405T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
    • B66C1/06—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means electromagnetic
    • B66C1/08—Circuits therefor
    • 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
    • H02H3/08—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 responsive to excess current
    • H02H3/093—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 responsive to excess current with timing means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Control Of Eletrric Generators (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control And Safety Of Cranes (AREA)
  • Control Of Electric Motors In General (AREA)
AT08725284T 2007-02-28 2008-02-07 Überlastschutzsystem für eine elektromagnetische hebevorrichtung ATE524405T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/712,097 US7564662B2 (en) 2007-02-28 2007-02-28 Overload protection system for an electromagnetic lift
PCT/US2008/001634 WO2008105998A1 (en) 2007-02-28 2008-02-07 Overload protection system for an electromagnetic lift

Publications (1)

Publication Number Publication Date
ATE524405T1 true ATE524405T1 (de) 2011-09-15

Family

ID=39433924

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08725284T ATE524405T1 (de) 2007-02-28 2008-02-07 Überlastschutzsystem für eine elektromagnetische hebevorrichtung

Country Status (6)

Country Link
US (1) US7564662B2 (de)
EP (1) EP2132128B1 (de)
JP (1) JP5409394B2 (de)
AT (1) ATE524405T1 (de)
ES (1) ES2369165T3 (de)
WO (1) WO2008105998A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5253747B2 (ja) * 2007-03-12 2013-07-31 住友重機械工業株式会社 リフティングマグネット制御システム
US7992850B2 (en) * 2007-03-29 2011-08-09 Caterpillar Inc. System and method for controlling electromagnet lift power for material handlers
US9815205B2 (en) * 2007-07-27 2017-11-14 Safe-T-Arm, Llc Method and system for assisted object handling in dangerous environments
US20140334907A1 (en) * 2007-07-27 2014-11-13 Safe-T-Arm, Llc Method and system for assisted object handling in dangerous environments
US8831787B2 (en) * 2007-11-26 2014-09-09 Safeworks, Llc Power sensor
US20100188241A1 (en) * 2009-01-23 2010-07-29 Chieh-Te Chen Current detection and precaution alarm device
US8972032B2 (en) * 2009-06-25 2015-03-03 GM Global Technology Operations LLC Method for overload protection of SMA device
US8744603B2 (en) * 2009-06-26 2014-06-03 GM Global Technology Operations LLC Method for position feedback based control for overload protection
DE102010036941B4 (de) * 2010-08-11 2012-09-13 Sauer-Danfoss Gmbh & Co. Ohg Verfahren und Vorrichtung zur Ermittlung des Zustands eines elektrisch angesteuerten Ventils
US8861147B2 (en) 2012-04-25 2014-10-14 The Boeing Company Fault protection for aircraft power systems
US9407083B1 (en) 2012-04-26 2016-08-02 The Boeing Company Combined subtransient current suppression and overvoltage transient protection
US20130286513A1 (en) * 2012-04-26 2013-10-31 The Boeing Company Subtransient Current Suppression
US9425729B2 (en) 2013-03-15 2016-08-23 Honda Motor Co., Ltd. Motor control devices and methods
US9958838B2 (en) * 2014-10-23 2018-05-01 Halliburton Energy Services, Inc. Optimizing power delivered to an electrical actuator
JP6743559B2 (ja) 2016-08-02 2020-08-19 コベルコ建機株式会社 リフティングマグネットの制御装置
US20210072303A1 (en) * 2017-06-16 2021-03-11 Florida Power & Light Company Power distribution fault location estimation using transient analysis
ES2964415T3 (es) 2018-01-29 2024-04-05 Magswitch Tech Inc Dispositivo de elevación magnético que tiene zapatas de polos con proyecciones espaciadas
CN113030636B (zh) * 2021-02-26 2022-04-08 国网河南省电力公司电力科学研究院 一种主动干预型消弧装置测试系统

Family Cites Families (20)

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US4200832A (en) 1975-04-10 1980-04-29 General Electric Company Overload detecting scheme for an electric propulsion system for traction vehicles
GB2149597B (en) 1980-09-11 1985-11-13 Electro Matic Prod Co Battery charge system
JP2659981B2 (ja) * 1988-02-03 1997-09-30 富士重工業株式会社 発動発電機の負荷検出装置
US5168208A (en) 1988-05-09 1992-12-01 Onan Corporation Microprocessor based integrated generator set controller apparatus and method
US5206776A (en) 1990-12-17 1993-04-27 B. A. Bodenheimer And Co., Inc. Protection system for ac generators
US5453673A (en) 1993-05-27 1995-09-26 Yang; Tai-Her DC motor with auxiliary exciting power supply for switching-on series (or compound) start of shunt normal operation according to the load
NZ271262A (en) * 1993-08-24 1998-02-26 Metal Manufactures Ltd Switchgear control module operates in accordance with load condition
US5497332A (en) 1993-10-01 1996-03-05 Automatic Terminal Information Systems, Inc. Method and apparatus for metering and monitoring AC generators
US5528445A (en) 1994-09-23 1996-06-18 General Electric Company Automatic fault current protection for a locomotive propulsion system
JPH09194178A (ja) * 1996-01-10 1997-07-29 Shinko Electric Co Ltd リフティングマグネット電源装置
US5903130A (en) 1996-11-01 1999-05-11 Lucas Aerospace Power Equipment Corporation Fail-safe regulator biasing circuit
US5959416A (en) * 1997-03-07 1999-09-28 Caterpillar Inc. Method and apparatus for controlling a lifting magnet of a materials handling machine
US6701221B1 (en) 2000-10-24 2004-03-02 Kohler Co. Method and apparatus for preventing excessive heat generation in a alternator of a generator set
JP2002211873A (ja) 2001-01-12 2002-07-31 Shin Caterpillar Mitsubishi Ltd リフティングマグネット付作業機械
JP2002348087A (ja) 2001-05-28 2002-12-04 Kobelco Contstruction Machinery Ltd 作業機械
JP2003034498A (ja) * 2001-07-23 2003-02-07 Hitachi Constr Mach Co Ltd 高所作業車の過負荷検出装置
JP3536838B2 (ja) * 2002-01-11 2004-06-14 日産自動車株式会社 車両の駆動力制御装置
US6798627B2 (en) 2002-02-05 2004-09-28 Onan Corporation Engine generator set systems and methods providing load power fault protection
JP4207630B2 (ja) * 2003-03-31 2009-01-14 コベルコ建機株式会社 自走式リフティングマグネット作業機械
US7663849B2 (en) * 2006-08-17 2010-02-16 Hamilton Sundstrand Corporation Permanent magnet generator protection scheme

Also Published As

Publication number Publication date
WO2008105998A1 (en) 2008-09-04
EP2132128A1 (de) 2009-12-16
ES2369165T3 (es) 2011-11-28
JP5409394B2 (ja) 2014-02-05
JP2010520130A (ja) 2010-06-10
US20080204948A1 (en) 2008-08-28
US7564662B2 (en) 2009-07-21
EP2132128B1 (de) 2011-09-14

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Legal Events

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