IT8121811U1 - Dispositivo per la variazione della velocità nei motori elettrici asincroni - Google Patents

Dispositivo per la variazione della velocità nei motori elettrici asincroni

Info

Publication number
IT8121811U1
IT8121811U1 ITMI1981U21811U IT2181181U IT8121811U1 IT 8121811 U1 IT8121811 U1 IT 8121811U1 IT MI1981U21811 U ITMI1981U21811 U IT MI1981U21811U IT 2181181 U IT2181181 U IT 2181181U IT 8121811 U1 IT8121811 U1 IT 8121811U1
Authority
IT
Italy
Prior art keywords
varying
speed
electric motors
asynchronous electric
asynchronous
Prior art date
Application number
ITMI1981U21811U
Other languages
English (en)
Italian (it)
Other versions
IT8121811V0 (it
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
Priority to ITMI1981U21811U priority Critical patent/IT8121811U1/it
Publication of IT8121811V0 publication Critical patent/IT8121811V0/it
Priority to GB8213909A priority patent/GB2100476B/en
Priority to FR8208990A priority patent/FR2506540A1/fr
Publication of IT8121811U1 publication Critical patent/IT8121811U1/it

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)
ITMI1981U21811U 1981-05-19 1981-05-19 Dispositivo per la variazione della velocità nei motori elettrici asincroni IT8121811U1 (it)

Priority Applications (3)

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
GB8213909A GB2100476B (en) 1981-05-19 1982-05-13 Asynchronous motor speed control
FR8208990A FR2506540A1 (fr) 1981-05-19 1982-05-19 Dispositif pour varier la vitesse des moteurs asynchrones

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
IT8121811V0 IT8121811V0 (it) 1981-05-19
IT8121811U1 true IT8121811U1 (it) 1982-11-19

Family

ID=11187174

Family Applications (1)

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

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
GB2100476B (en) 1985-02-20
IT8121811V0 (it) 1981-05-19
GB2100476A (en) 1982-12-22
FR2506540A1 (fr) 1982-11-26
FR2506540B3 (enExample) 1984-03-30

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