CA2008688A1 - Methode de detection de l'ecart entre a la vitesse d'un moteur et la frequence de l'alimentation en energie electrique, et appareil connexe - Google Patents

Methode de detection de l'ecart entre a la vitesse d'un moteur et la frequence de l'alimentation en energie electrique, et appareil connexe

Info

Publication number
CA2008688A1
CA2008688A1 CA2008688A CA2008688A CA2008688A1 CA 2008688 A1 CA2008688 A1 CA 2008688A1 CA 2008688 A CA2008688 A CA 2008688A CA 2008688 A CA2008688 A CA 2008688A CA 2008688 A1 CA2008688 A1 CA 2008688A1
Authority
CA
Canada
Prior art keywords
motor
frequency
speed
hoist
power supply
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.)
Granted
Application number
CA2008688A
Other languages
English (en)
Other versions
CA2008688C (fr
Inventor
David C. Wycoff
Keith O. Jurkowski
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.)
Yaskawa Electric Corp
Harnischfeger Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2008688A1 publication Critical patent/CA2008688A1/fr
Application granted granted Critical
Publication of CA2008688C publication Critical patent/CA2008688C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/08—Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/90—Specific system operational feature
    • Y10S388/903—Protective, e.g. voltage or current limit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Stopping Of Electric Motors (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control And Safety Of Cranes (AREA)
CA002008688A 1989-01-31 1990-01-26 Methode de detection de l'ecart entre a la vitesse d'un moteur et la frequence de l'alimentation en energie electrique, et appareil connexe Expired - Fee Related CA2008688C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/304,527 1989-01-31
US07/304,527 US4965847A (en) 1989-01-31 1989-01-31 Method and apparatus for detecting deviation of motor speed from frequency of power supply

Publications (2)

Publication Number Publication Date
CA2008688A1 true CA2008688A1 (fr) 1990-07-31
CA2008688C CA2008688C (fr) 1995-12-12

Family

ID=23176910

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002008688A Expired - Fee Related CA2008688C (fr) 1989-01-31 1990-01-26 Methode de detection de l'ecart entre a la vitesse d'un moteur et la frequence de l'alimentation en energie electrique, et appareil connexe

Country Status (3)

Country Link
US (1) US4965847A (fr)
CA (1) CA2008688C (fr)
MX (1) MX174604B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023116097A1 (fr) * 2021-12-21 2023-06-29 段采标 Procédé d'obtention de détection tactile mécanique et dispositif électronique

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5166589A (en) * 1989-11-03 1992-11-24 Paul Wurth S. A. Level probe for a shaft furnace
US5179336A (en) * 1991-07-08 1993-01-12 Harnischfeger Corporation Method for decreasing the speed of an alternating current motor
JP2588653B2 (ja) * 1991-08-30 1997-03-05 三菱電機株式会社 可変速巻上機
US5319292A (en) * 1992-06-26 1994-06-07 Harnischfeger Corporation Method and apparatus for preventing motoring while braking
JPH06153571A (ja) * 1992-10-29 1994-05-31 Toshiba Corp コンテナクレーン制御装置
US5331267A (en) * 1993-02-11 1994-07-19 Harnischfeger Corporation Method for determining motor speed of an induction motor for a hoist
US5343134A (en) * 1993-05-03 1994-08-30 Harnischfeger Corporation Method for checking brake torque
US5444344A (en) * 1993-09-01 1995-08-22 Beloit Technologies, Inc. System for controlling variable frequency driver for AC motor including selectable speed signals
US5548198A (en) * 1994-09-30 1996-08-20 Harnischfeger Corporation Shared inverter electrical drive system
US6262555B1 (en) * 1998-10-02 2001-07-17 Robicon Corporation Apparatus and method to generate braking torque in an AC drive
US6430463B1 (en) * 2000-02-29 2002-08-06 O.E. Electronics, Inc. Torque control
US6720751B2 (en) * 2000-09-29 2004-04-13 Mhe Technologies, Inc. Material handling system and method of operating the same
JP2003088178A (ja) * 2001-09-12 2003-03-20 Sumitomo Heavy Ind Ltd インバータ付きギヤモータ
ATE409294T1 (de) * 2002-04-10 2008-10-15 Luk Lamellen & Kupplungsbau Getriebesteuerung und verfahren zum kompensieren von streckenveränderungen bei einer getriebesteuerung eines automatisierten getriebes eines fahrzeuges
US7190146B1 (en) * 2003-08-18 2007-03-13 Magnetek, Inc. Control system and method for an overhead bridge crane
JP4699923B2 (ja) * 2006-03-13 2011-06-15 株式会社日立産機システム 誘導電動機の駆動装置および方法
US7653102B2 (en) * 2007-01-25 2010-01-26 Avago Technologies Fiber Ip (Singapore) Pte. Ltd. Method and apparatus for controlling output power levels of a laser used for optical data transmission based on data rate-speed optical feedback
US9385637B2 (en) * 2014-05-21 2016-07-05 Hamilton Sundstrand Corporation Brake controller
TWM553893U (zh) * 2017-09-14 2018-01-01 Comeup Ind Inc 動力絞車過電流(過載)安全裝置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896356A (en) * 1973-01-24 1975-07-22 Gen Electric Method and control system for improved stability of an induction motor via independent voltage, synchronous frequency, and slip frequency control at an operating point
JPS525566A (en) * 1975-07-02 1977-01-17 Citizen Watch Co Ltd Electric clock
DE2753729A1 (de) * 1976-12-03 1978-06-08 Clarke Chapman Ltd Vertaeu-windevorrichtung mit einer in normalbetrieb durch einen ueber ein mehrphasiges wechselstromnetz gespeisten mehrphasigen wechselstrommotor betriebenen wickeltrommel
US4605883A (en) * 1982-02-05 1986-08-12 Sunbeam Corporation Motor speed control circuit
JPS58154380A (ja) * 1982-03-09 1983-09-13 Mitsubishi Electric Corp 交流エレベ−タの制御装置
US4509004A (en) * 1982-07-06 1985-04-02 Shepard Jr Francis H Apparatus for variable speed drive of an induction motor from a fixed frequency AC source
DE3426746C1 (de) * 1984-07-20 1986-02-13 Mannesmann AG, 4000 Düsseldorf Hebezeug mit UEberlastsicherung
JPH0724467B2 (ja) * 1984-12-27 1995-03-15 三菱電機株式会社 エレベ−タの制御装置
US4622500A (en) * 1985-07-11 1986-11-11 The Machlett Laboratories, Inc. Electric motor controller
JPS62233082A (ja) * 1986-04-03 1987-10-13 Mitsubishi Electric Corp 交流エレベ−タ−の速度制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023116097A1 (fr) * 2021-12-21 2023-06-29 段采标 Procédé d'obtention de détection tactile mécanique et dispositif électronique

Also Published As

Publication number Publication date
MX174604B (es) 1994-05-30
CA2008688C (fr) 1995-12-12
US4965847A (en) 1990-10-23

Similar Documents

Publication Publication Date Title
CA2008688A1 (fr) Methode de detection de l'ecart entre a la vitesse d'un moteur et la frequence de l'alimentation en energie electrique, et appareil connexe
CA2008512A1 (fr) Moyen et dispositif servant a determiner le couple necessaire pour maitenir une charge immobile
EP0139010A4 (fr) Procede de regulation d'acceleration et de deceleration.
CA2008685A1 (fr) Methode pour detecter les surcharges mecaniques imposees un treuil, et appareil connexe
AU632626B2 (en) Procedure and apparatus for the control of a hoisting motor
CA2080112A1 (fr) Methode pour estimer la velocite d'un vehicule et methode et systeme de commande de frein
JPS6468229A (en) Automatic compensator for tool torque
AU2126997A (en) Speed and power control of an engine by modulation of the load torque
CA2008686A1 (fr) Methode pour augmenter la vitesse d'un moteur a courant alternatif
GB2217046B (en) Apparatus for performing group control on elevators utilizing distributed control, and method of controlling the same
CA2093893A1 (fr) Appareil de commande de moteur electrique et methode permettant de reduire le patinage
EP0386792A3 (fr) Système de commande de glissement pour un véhicule
CA2035812A1 (fr) Dispositif de commande
AU590181B2 (en) Method of discharging sewage by vacuum and control apparatus for carrying the method into effect
CA2110208A1 (fr) Methode servant a evaluer l'inertie d'un systeme a deux masses durant la regulation de la vitesse, et systeme connexe
EP0228799A3 (fr) Procédé pour contrôler une opération de moulage par injection et dispositif à cet effet
ES2152714T3 (es) Procedimiento y dispositivo para transmitir informaciones de indicaciones de cambio de velocidad.
EP0371505A3 (fr) Appareil de propulsion linéaire
AU3111893A (en) Method and apparatus for controlling train positioners using motor energy to determine the mass of the train and the mass of the train to determine maximum deceleration
JPS5451110A (en) Railway vehicle controller
CA2057753A1 (fr) Methode de generation de signaux de reference de vitesse d'un moteur de grue
JPS6450779A (en) Controller for motor for main shaft
JPS6483830A (en) Antiskid device for vehicle
JPS57206292A (en) Controlling device for variable speed motor
EP0258931A3 (fr) Méthode pour déterminer la position relative d'un objet posé sur le fond de l'eau et d'un objet sous-marin

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed