GB2507538A - Circuit for monitoring the operation of an electric motor using a low frequency characteristic such as the back EMF ripple - Google Patents

Circuit for monitoring the operation of an electric motor using a low frequency characteristic such as the back EMF ripple Download PDF

Info

Publication number
GB2507538A
GB2507538A GB1219739.8A GB201219739A GB2507538A GB 2507538 A GB2507538 A GB 2507538A GB 201219739 A GB201219739 A GB 201219739A GB 2507538 A GB2507538 A GB 2507538A
Authority
GB
United Kingdom
Prior art keywords
motor
circuit
drive
signal
electric motor
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.)
Withdrawn
Application number
GB1219739.8A
Other languages
English (en)
Other versions
GB201219739D0 (en
Inventor
Simon David Hart
Webster Tony
Kondala Rao Gandu
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.)
Nidec Control Techniques Ltd
Original Assignee
Control Techniques Ltd
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 Control Techniques Ltd filed Critical Control Techniques Ltd
Priority to GB1219739.8A priority Critical patent/GB2507538A/en
Publication of GB201219739D0 publication Critical patent/GB201219739D0/en
Priority to IN2995MU2013 priority patent/IN2013MU02995A/en
Priority to US14/068,464 priority patent/US20140125262A1/en
Priority to CN201310535125.XA priority patent/CN103812395A/zh
Priority to CN201320687263.5U priority patent/CN203617943U/zh
Publication of GB2507538A publication Critical patent/GB2507538A/en
Withdrawn legal-status Critical Current

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
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H02P6/17—Circuit arrangements for detecting position and for generating speed information
    • 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
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
    • H02P6/182—Circuit arrangements for detecting position without separate position detecting elements using back-emf in windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB1219739.8A 2012-11-02 2012-11-02 Circuit for monitoring the operation of an electric motor using a low frequency characteristic such as the back EMF ripple Withdrawn GB2507538A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1219739.8A GB2507538A (en) 2012-11-02 2012-11-02 Circuit for monitoring the operation of an electric motor using a low frequency characteristic such as the back EMF ripple
IN2995MU2013 IN2013MU02995A (https=) 2012-11-02 2013-09-16
US14/068,464 US20140125262A1 (en) 2012-11-02 2013-10-31 Circuit For Monitoring The Operation Of An Electric Motor
CN201310535125.XA CN103812395A (zh) 2012-11-02 2013-11-01 监控电机运行状况的电路及包含该电路的电机驱动电路
CN201320687263.5U CN203617943U (zh) 2012-11-02 2013-11-01 监控电机运行状况的电路及包含该电路的电机驱动电路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1219739.8A GB2507538A (en) 2012-11-02 2012-11-02 Circuit for monitoring the operation of an electric motor using a low frequency characteristic such as the back EMF ripple

Publications (2)

Publication Number Publication Date
GB201219739D0 GB201219739D0 (en) 2012-12-12
GB2507538A true GB2507538A (en) 2014-05-07

Family

ID=47359066

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1219739.8A Withdrawn GB2507538A (en) 2012-11-02 2012-11-02 Circuit for monitoring the operation of an electric motor using a low frequency characteristic such as the back EMF ripple

Country Status (4)

Country Link
US (1) US20140125262A1 (https=)
CN (2) CN103812395A (https=)
GB (1) GB2507538A (https=)
IN (1) IN2013MU02995A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2507538A (en) * 2012-11-02 2014-05-07 Control Tech Ltd Circuit for monitoring the operation of an electric motor using a low frequency characteristic such as the back EMF ripple
DE102017110646A1 (de) 2017-05-16 2018-11-22 Ebm-Papst Mulfingen Gmbh & Co. Kg Synchronmaschine sowie Verfahren zur sensorlosen Drehzahlregelung der Synchronmaschine
AU2021281698B2 (en) * 2020-05-29 2022-11-24 Gordon Lan Systems catching residual energy from an electric coil
CN115498944A (zh) * 2022-09-14 2022-12-20 成都易慧家科技有限公司 用于无离合减速机构外力启闭的保护系统及其保护方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB758755A (en) * 1953-03-09 1956-10-10 Sverre Woldseth Improvements in ship logs
GB903635A (en) * 1958-07-29 1962-08-15 Licentia Gmbh An arrangement for detecting a short circuit of a winding in the armature of a direct-current machine
SU617717A2 (ru) * 1976-09-01 1978-07-30 Ижевский механический институт Тахометр
GB2183846A (en) * 1985-12-05 1987-06-10 Teves Gmbh Alfred Rotational speed sensor
GB2186377A (en) * 1986-02-12 1987-08-12 Konishiroku Photo Ind Motor
WO1997027667A1 (en) * 1996-01-24 1997-07-31 Philips Electronics N.V. Arrangement for supplying drive signals to a plurality of windings of a multi-phase d.c. motor, drive system and disk drive
US6054823A (en) * 1998-05-19 2000-04-25 Telcom Semiconductor, Inc. Verification of fan operation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6366483B1 (en) * 2000-07-24 2002-04-02 Rockwell Automation Technologies, Inc. PWM rectifier having de-coupled power factor and output current control loops
JPWO2007097424A1 (ja) * 2006-02-23 2009-07-16 パナソニック株式会社 モータ駆動装置およびモータ駆動方法
US8368334B2 (en) * 2009-11-18 2013-02-05 Standard Microsystems Corporation Brushless, three phase motor drive
CN201639529U (zh) * 2010-02-26 2010-11-17 深圳拓邦股份有限公司 一种直流无刷电机的接口电路及洗碗机
GB2507538A (en) * 2012-11-02 2014-05-07 Control Tech Ltd Circuit for monitoring the operation of an electric motor using a low frequency characteristic such as the back EMF ripple

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB758755A (en) * 1953-03-09 1956-10-10 Sverre Woldseth Improvements in ship logs
GB903635A (en) * 1958-07-29 1962-08-15 Licentia Gmbh An arrangement for detecting a short circuit of a winding in the armature of a direct-current machine
SU617717A2 (ru) * 1976-09-01 1978-07-30 Ижевский механический институт Тахометр
GB2183846A (en) * 1985-12-05 1987-06-10 Teves Gmbh Alfred Rotational speed sensor
GB2186377A (en) * 1986-02-12 1987-08-12 Konishiroku Photo Ind Motor
WO1997027667A1 (en) * 1996-01-24 1997-07-31 Philips Electronics N.V. Arrangement for supplying drive signals to a plurality of windings of a multi-phase d.c. motor, drive system and disk drive
US6054823A (en) * 1998-05-19 2000-04-25 Telcom Semiconductor, Inc. Verification of fan operation

Also Published As

Publication number Publication date
GB201219739D0 (en) 2012-12-12
CN203617943U (zh) 2014-05-28
CN103812395A (zh) 2014-05-21
IN2013MU02995A (https=) 2015-07-10
US20140125262A1 (en) 2014-05-08

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)