ZA91505B - Electrical contactor with controlled closure characteristic - Google Patents

Electrical contactor with controlled closure characteristic

Info

Publication number
ZA91505B
ZA91505B ZA91505A ZA91505A ZA91505B ZA 91505 B ZA91505 B ZA 91505B ZA 91505 A ZA91505 A ZA 91505A ZA 91505 A ZA91505 A ZA 91505A ZA 91505 B ZA91505 B ZA 91505B
Authority
ZA
South Africa
Prior art keywords
electrical contactor
controlled closure
closure characteristic
characteristic
controlled
Prior art date
Application number
ZA91505A
Other languages
English (en)
Inventor
Rick Alan Hurley
Alan Hurley Rick
Bruce Robert Quayle
Robert Quayle Bruce
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA91505B publication Critical patent/ZA91505B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/32—Energising current supplied by semiconductor device
    • H01H47/325—Energising current supplied by semiconductor device by switching regulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Relay Circuits (AREA)
ZA91505A 1990-02-01 1991-01-23 Electrical contactor with controlled closure characteristic ZA91505B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/473,521 US5128825A (en) 1990-02-01 1990-02-01 Electrical contactor with controlled closure characteristic

Publications (1)

Publication Number Publication Date
ZA91505B true ZA91505B (en) 1991-11-27

Family

ID=23879876

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA91505A ZA91505B (en) 1990-02-01 1991-01-23 Electrical contactor with controlled closure characteristic

Country Status (9)

Country Link
US (1) US5128825A (xx)
EP (1) EP0440498B1 (xx)
JP (1) JPH079781B2 (xx)
AU (1) AU640735B2 (xx)
BR (1) BR9100337A (xx)
CA (1) CA2034966A1 (xx)
DE (1) DE69118937T2 (xx)
MX (1) MX173293B (xx)
ZA (1) ZA91505B (xx)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255152A (en) * 1991-08-21 1993-10-19 Eaton Corporation Controller for fixed-time pull-in of a relay
US5539608A (en) * 1993-02-25 1996-07-23 Eaton Corporation Electronic interlock for electromagnetic contactor
JP3496982B2 (ja) * 1994-07-15 2004-02-16 三菱電機株式会社 電磁接触器
US5546268A (en) 1994-07-28 1996-08-13 Eaton Corporation Electromagnetic device with current regulated closure characteristic
US5579194A (en) * 1994-12-13 1996-11-26 Eaton Corporation Motor starter with dual-slope integrator
US5631801A (en) * 1994-12-28 1997-05-20 General Electric Company Fast relay control circuit with reduced bounce and low power consumption
US6538347B1 (en) 1995-05-15 2003-03-25 Mcgraw-Edison Company Electrical switchgear with synchronous control system and actuator
US6291911B1 (en) * 1995-05-15 2001-09-18 Cooper Industries, Inc. Electrical switchgear with synchronous control system and actuator
US6331687B1 (en) 1995-05-15 2001-12-18 Cooper Industries Inc. Control method and device for a switchgear actuator
US5754387A (en) * 1996-06-13 1998-05-19 Eaton Corporation Method of monitoring contactor operation
US5784244A (en) * 1996-09-13 1998-07-21 Cooper Industries, Inc. Current limiting circuit
DE19640659B4 (de) * 1996-10-02 2005-02-24 Fev Motorentechnik Gmbh Verfahren zur Betätigung eines elektromagnetischen Aktuators mit Beeinflussung des Spulenstroms während der Ankerbewegung
US6208497B1 (en) 1997-06-26 2001-03-27 Venture Scientifics, Llc System and method for servo control of nonlinear electromagnetic actuators
US6942469B2 (en) 1997-06-26 2005-09-13 Crystal Investments, Inc. Solenoid cassette pump with servo controlled volume detection
US5986871A (en) * 1997-11-04 1999-11-16 Caterpillar Inc. Method of operating a fuel injector
US6208498B1 (en) * 1997-12-17 2001-03-27 Jatco Transtechnology Ltd. Driving method and driving apparatus of a solenoid and solenoid driving control apparatus
US6982323B1 (en) * 1997-12-23 2006-01-03 Alexion Pharmaceuticals, Inc. Chimeric proteins for diagnosis and treatment of diabetes
ES2199897T3 (es) * 1999-12-15 2004-03-01 First Inertia Switch Limited Dispositivo y procedimiento para la desconexion de baterias.
US7064638B1 (en) * 2000-07-13 2006-06-20 Mitsubishi Denki Kabushiki Kaisha Electrical switch
US7508645B2 (en) * 2004-07-09 2009-03-24 Abb Technology Ag Method and apparatus for operating a magnetic actuator in a power switching device
ES2366189T3 (es) * 2004-11-05 2011-10-18 General Electric Company Contactor eléctrico y procedimiento de control de cierre de contactor asociado.
US8164285B2 (en) * 2008-11-13 2012-04-24 Marvell World Trade Ltd. External disturbance detection system and method for two-phase motor control systems
US8807956B2 (en) 2008-11-13 2014-08-19 Marvell World Trade Ltd. Apparatus and method for controlling speed of a fan via a first control module connected by a cable and/or conductors between a motor and a second control module
US20100265629A1 (en) * 2009-04-16 2010-10-21 Howard Beckerman Relay Coil Drive Circuit
US9837229B2 (en) * 2011-06-24 2017-12-05 Tavrida Electric Holding Ag Method and apparatus for controlling circuit breaker operation
US8605405B2 (en) * 2011-11-21 2013-12-10 Abb Technology Ag Method and circuit for increasing the speed of electromechanical output on a protective relay
US9722513B2 (en) 2014-11-06 2017-08-01 Rockwell Automation Technologies, Inc. Torque-based stepwise motor starting
US10074497B2 (en) * 2014-11-06 2018-09-11 Rockwell Automation Technologies, Inc. Operator coil parameter based electromagnetic switching
US9806642B2 (en) 2014-11-06 2017-10-31 Rockwell Automation Technologies, Inc. Modular multiple single-pole electromagnetic switching system and method
US9806641B2 (en) 2014-11-06 2017-10-31 Rockwell Automation Technologies, Inc. Detection of electric motor short circuits
US9748873B2 (en) 2014-11-06 2017-08-29 Rockwell Automation Technologies, Inc. 5-pole based wye-delta motor starting system and method
US10361051B2 (en) 2014-11-06 2019-07-23 Rockwell Automation Technologies, Inc. Single pole, single current path switching system and method
US10141143B2 (en) 2014-11-06 2018-11-27 Rockwell Automation Technologies, Inc. Wear-balanced electromagnetic motor control switching
US9746521B2 (en) 2014-11-06 2017-08-29 Rockwell Automation Technologies, Inc. 6-pole based wye-delta motor starting system and method
CN109637893B (zh) * 2018-11-16 2020-04-03 北京遥感设备研究所 磁保持继电器控制系统及磁保持继电器系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1804329A1 (de) * 1968-10-22 1970-05-21 Pintsch Bamag Ag Fa Elektrische Schaltungsanordnung fuer die intermittierende Speisung von Elektromagneten
DE2110071A1 (de) * 1971-03-03 1972-09-14 Bbc Brown Boveri & Cie Wechselstromerregtes Schaltgerät
NL7411941A (nl) * 1973-10-25 1975-04-29 Kromschroeder Ag G Schakeling om de aantrekstroom van een elektro- magneet op een vasthoudstroom om te schakelen.
DE2511564A1 (de) * 1975-03-17 1976-09-30 Concordia Fluidtechnik Gmbh Verfahren zum betrieb eines elektromagneten, insbesondere eines magnetventils, und vorrichtung zur durchfuehrung eines solchen verfahrens
DE2601799A1 (de) * 1976-01-20 1977-07-21 Licentia Gmbh Schaltanordnung zur betaetigung eines elektromagnetsystems
US4833565A (en) * 1987-02-19 1989-05-23 Westinghouse Electric Corp. Electromagnetic contactor with algorithm controlled closing system
US4720763A (en) * 1987-02-19 1988-01-19 Westinghouse Electric Corp. Electromagnetic contactor with control circuit for providing acceleration, coast and grab functions
US4720761A (en) * 1987-02-19 1988-01-19 Westinghouse Electric Corp. Electromagnetic contactor with current regulated electromagnetic coil for holding the contacts closed

Also Published As

Publication number Publication date
EP0440498B1 (en) 1996-04-24
DE69118937T2 (de) 1996-10-31
JPH04357638A (ja) 1992-12-10
MX173293B (es) 1994-02-14
AU640735B2 (en) 1993-09-02
CA2034966A1 (en) 1991-08-02
EP0440498A2 (en) 1991-08-07
DE69118937D1 (de) 1996-05-30
US5128825A (en) 1992-07-07
BR9100337A (pt) 1991-10-22
EP0440498A3 (en) 1992-07-22
JPH079781B2 (ja) 1995-02-01
AU7003091A (en) 1991-08-08

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