NO141874C - SPEED CONTROL DEVICE AND TURNING DIRECTION FOR A THREE-PHASE SYNCHRON MOTOR - Google Patents

SPEED CONTROL DEVICE AND TURNING DIRECTION FOR A THREE-PHASE SYNCHRON MOTOR

Info

Publication number
NO141874C
NO141874C NO780194A NO780194A NO141874C NO 141874 C NO141874 C NO 141874C NO 780194 A NO780194 A NO 780194A NO 780194 A NO780194 A NO 780194A NO 141874 C NO141874 C NO 141874C
Authority
NO
Norway
Prior art keywords
phase
control device
speed control
turning direction
synchron
Prior art date
Application number
NO780194A
Other languages
Norwegian (no)
Other versions
NO780194L (en
NO141874B (en
Inventor
Kaj Nielsen
Nils Hansson Nygaard
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Publication of NO780194L publication Critical patent/NO780194L/en
Publication of NO141874B publication Critical patent/NO141874B/en
Publication of NO141874C publication Critical patent/NO141874C/en

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
    • H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Control Of Ac Motors In General (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Motor And Converter Starters (AREA)
NO780194A 1977-01-27 1978-01-19 SPEED CONTROL DEVICE AND TURNING DIRECTION FOR A THREE-PHASE SYNCHRON MOTOR NO141874C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2703309A DE2703309C2 (en) 1977-01-27 1977-01-27 Arrangement for controlling the speed and direction of rotation of a three-phase asynchronous motor

Publications (3)

Publication Number Publication Date
NO780194L NO780194L (en) 1978-07-28
NO141874B NO141874B (en) 1980-02-11
NO141874C true NO141874C (en) 1980-05-21

Family

ID=5999682

Family Applications (1)

Application Number Title Priority Date Filing Date
NO780194A NO141874C (en) 1977-01-27 1978-01-19 SPEED CONTROL DEVICE AND TURNING DIRECTION FOR A THREE-PHASE SYNCHRON MOTOR

Country Status (9)

Country Link
JP (1) JPS5393320A (en)
AU (1) AU519621B2 (en)
CH (1) CH622137A5 (en)
DE (1) DE2703309C2 (en)
DK (1) DK580377A (en)
FR (1) FR2379191A1 (en)
GB (1) GB1590241A (en)
NO (1) NO141874C (en)
SE (1) SE426003B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300077A (en) * 1979-12-17 1981-11-10 Astro Dynamics, Inc. Trans-synchronous motor apparatus and method
JPH0773426B2 (en) * 1984-11-09 1995-08-02 株式会社東芝 Power converter control device
DE4013967A1 (en) * 1990-04-30 1991-11-07 Retronic Prozess Systemtechnik CIRCUIT ARRANGEMENT FOR AN ASYNCHRONOUS MOTOR

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK130099B (en) * 1968-03-16 1974-12-16 Danfoss As Control circuit for an AC motor.
US3691439A (en) * 1971-01-28 1972-09-12 Danfoss As Control arrangement for a three phase motor with intermediate d.c. regulation
US3670224A (en) * 1971-02-18 1972-06-13 Danfoss As Speed and voltage control means for an alternating-current motor, particularly a polyphase induction motor

Also Published As

Publication number Publication date
CH622137A5 (en) 1981-03-13
GB1590241A (en) 1981-05-28
AU519621B2 (en) 1981-12-17
NO780194L (en) 1978-07-28
NO141874B (en) 1980-02-11
DE2703309B1 (en) 1978-07-20
JPS5393320A (en) 1978-08-16
FR2379191B1 (en) 1984-07-13
AU3276678A (en) 1979-08-02
DE2703309C2 (en) 1979-03-22
JPS567400B2 (en) 1981-02-17
FR2379191A1 (en) 1978-08-25
SE426003B (en) 1982-11-29
SE7800956L (en) 1978-07-28
DK580377A (en) 1978-07-28

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