GB2100476B - Asynchronous motor speed control - Google Patents

Asynchronous motor speed control

Info

Publication number
GB2100476B
GB2100476B GB8213909A GB8213909A GB2100476B GB 2100476 B GB2100476 B GB 2100476B GB 8213909 A GB8213909 A GB 8213909A GB 8213909 A GB8213909 A GB 8213909A GB 2100476 B GB2100476 B GB 2100476B
Authority
GB
United Kingdom
Prior art keywords
speed control
motor speed
asynchronous motor
asynchronous
control
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.)
Expired
Application number
GB8213909A
Other languages
English (en)
Other versions
GB2100476A (en
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.)
SISME SpA
Original Assignee
SISME SpA
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 SISME SpA filed Critical SISME SpA
Publication of GB2100476A publication Critical patent/GB2100476A/en
Application granted granted Critical
Publication of GB2100476B publication Critical patent/GB2100476B/en
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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control Of Multiple Motors (AREA)
GB8213909A 1981-05-19 1982-05-13 Asynchronous motor speed control Expired GB2100476B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI1981U21811U IT8121811U1 (it) 1981-05-19 1981-05-19 Dispositivo per la variazione della velocità nei motori elettrici asincroni

Publications (2)

Publication Number Publication Date
GB2100476A GB2100476A (en) 1982-12-22
GB2100476B true GB2100476B (en) 1985-02-20

Family

ID=11187174

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8213909A Expired GB2100476B (en) 1981-05-19 1982-05-13 Asynchronous motor speed control

Country Status (3)

Country Link
FR (1) FR2506540A1 (enExample)
GB (1) GB2100476B (enExample)
IT (1) IT8121811U1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5876318A (ja) * 1981-10-30 1983-05-09 Mitsubishi Heavy Ind Ltd 空調機の風量制御方法および装置
FR2551567B1 (fr) * 1983-09-06 1985-12-13 Electricite De France Interface de commande et de regulation de temperature et d'hygrometrie
GB2270579B (en) * 1992-09-14 1996-08-28 Yu Feng Enterprise Co Ltd Improved micro-computer operated control device for air-conditioning system

Also Published As

Publication number Publication date
IT8121811U1 (it) 1982-11-19
IT8121811V0 (it) 1981-05-19
GB2100476A (en) 1982-12-22
FR2506540A1 (fr) 1982-11-26
FR2506540B3 (enExample) 1984-03-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee