FR2124731A5 - - Google Patents

Info

Publication number
FR2124731A5
FR2124731A5 FR7200750A FR7200750A FR2124731A5 FR 2124731 A5 FR2124731 A5 FR 2124731A5 FR 7200750 A FR7200750 A FR 7200750A FR 7200750 A FR7200750 A FR 7200750A FR 2124731 A5 FR2124731 A5 FR 2124731A5
Authority
FR
France
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.)
Expired
Application number
FR7200750A
Other languages
French (fr)
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.)
Scragg & Sons
Original Assignee
Scragg & Sons
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 Scragg & Sons filed Critical Scragg & Sons
Application granted granted Critical
Publication of FR2124731A5 publication Critical patent/FR2124731A5/fr
Expired 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
    • 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
    • H02P23/28—Controlling the motor by varying the switching frequency of switches connected to a DC supply and the motor phases
    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/047—V/F converter, wherein the voltage is controlled proportionally with the frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Multiple Motors (AREA)
FR7200750A 1971-01-27 1972-01-11 Expired FR2124731A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB325171 1971-01-27

Publications (1)

Publication Number Publication Date
FR2124731A5 true FR2124731A5 (de) 1972-09-22

Family

ID=9754812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7200750A Expired FR2124731A5 (de) 1971-01-27 1972-01-11

Country Status (9)

Country Link
JP (1) JPS5047125A (de)
CA (1) CA934001A (de)
CH (1) CH551105A (de)
DE (1) DE2203487B2 (de)
FR (1) FR2124731A5 (de)
GB (1) GB1338644A (de)
IL (1) IL38533A (de)
IT (1) IT946880B (de)
NL (1) NL7201137A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404859A1 (fr) * 1977-09-28 1979-04-27 Uranit Gmbh Procede et installation pour determiner les caracteristiques magnetiques du rotor d'un moteur a hysteresis
FR2546683A1 (fr) * 1983-05-24 1984-11-30 Telemecanique Electrique Procede de regulation de l'alimentation des moteurs electriques et dispositif de mise en oeuvre du procede

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3273469D1 (en) * 1982-08-31 1986-10-30 Telemecanique Electrique Method and device for measuring the slip of a motor
CN1833834A (zh) 2005-03-18 2006-09-20 德昌电机股份有限公司 用于理发器的驱动电路
GB2425413A (en) * 2005-04-23 2006-10-25 Johnson Electric Sa Drive circuit for a hair clipper achieving constant speed

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404859A1 (fr) * 1977-09-28 1979-04-27 Uranit Gmbh Procede et installation pour determiner les caracteristiques magnetiques du rotor d'un moteur a hysteresis
FR2546683A1 (fr) * 1983-05-24 1984-11-30 Telemecanique Electrique Procede de regulation de l'alimentation des moteurs electriques et dispositif de mise en oeuvre du procede
EP0128796A1 (de) * 1983-05-24 1984-12-19 Telemecanique Regelverfahren für die Versorgung der elektrischen Motoren und Anordnung für die Durchführung des Verfahrens

Also Published As

Publication number Publication date
DE2203487A1 (de) 1972-12-21
IL38533A (en) 1974-11-29
AU3774272A (en) 1973-07-12
CA934001A (en) 1973-09-18
IT946880B (it) 1973-05-21
DE2203487B2 (de) 1977-04-14
JPS5047125A (de) 1975-04-26
CH551105A (de) 1974-06-28
GB1338644A (en) 1973-11-28
IL38533A0 (en) 1972-03-28
NL7201137A (de) 1972-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse