GB2049321B - Reversible variable frequency oscillator for smooth reversing of ac motor drives - Google Patents

Reversible variable frequency oscillator for smooth reversing of ac motor drives

Info

Publication number
GB2049321B
GB2049321B GB7914832A GB7914832A GB2049321B GB 2049321 B GB2049321 B GB 2049321B GB 7914832 A GB7914832 A GB 7914832A GB 7914832 A GB7914832 A GB 7914832A GB 2049321 B GB2049321 B GB 2049321B
Authority
GB
United Kingdom
Prior art keywords
motor drives
variable frequency
frequency oscillator
reversible variable
smooth reversing
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
GB7914832A
Other versions
GB2049321A (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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to GB7914832A priority Critical patent/GB2049321B/en
Publication of GB2049321A publication Critical patent/GB2049321A/en
Application granted granted Critical
Publication of GB2049321B publication Critical patent/GB2049321B/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
    • 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
    • H02P27/10—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 using bang-bang controllers
    • 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
    • H02P27/045—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 whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
    • 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
    • H02P27/048—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 AC supply for only the rotor circuit or only the stator circuit
    • 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 Motors That Do Not Use Commutators (AREA)
GB7914832A 1979-04-27 1979-04-27 Reversible variable frequency oscillator for smooth reversing of ac motor drives Expired GB2049321B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7914832A GB2049321B (en) 1979-04-27 1979-04-27 Reversible variable frequency oscillator for smooth reversing of ac motor drives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7914832A GB2049321B (en) 1979-04-27 1979-04-27 Reversible variable frequency oscillator for smooth reversing of ac motor drives

Publications (2)

Publication Number Publication Date
GB2049321A GB2049321A (en) 1980-12-17
GB2049321B true GB2049321B (en) 1983-08-03

Family

ID=10504832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7914832A Expired GB2049321B (en) 1979-04-27 1979-04-27 Reversible variable frequency oscillator for smooth reversing of ac motor drives

Country Status (1)

Country Link
GB (1) GB2049321B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255866B (en) * 1991-05-14 1995-08-02 Rotork Controls An actuactor and an electric motor drive system

Also Published As

Publication number Publication date
GB2049321A (en) 1980-12-17

Similar Documents

Publication Publication Date Title
GB2018476B (en) Controlled inverter and ac motor
PT69245A (en) Wave powered motor
GB2137384B (en) Variable frequency divider
DE2967078D1 (en) Induction motor drive apparatus
AU561668B2 (en) 3 phase variable frequency constant torque controller
JPS5571195A (en) Variable speed ac motor drive device
JPS5673930A (en) Frequency synthesizer
GB2020071B (en) Frequency divider
GB2053608B (en) Variable frequency oscillator
JPS55150621A (en) Frequency synthesizer
DE3065753D1 (en) Start/stop oscillator having fixed starting phase
DE3066071D1 (en) Slip frequency control for variable speed induction motors
JPS5690154A (en) Phase controller between driving shaft and driven shaft
GB2043842B (en) Hydrostatic-mechanical drive
AU2375977A (en) To variable frequency static motor drive
GB2021338B (en) Frequency synthesizer
GB2041591B (en) Frequency divider
GB2024546B (en) Frequency synthesisers
JPS55127734A (en) Frequency divider
GB2049321B (en) Reversible variable frequency oscillator for smooth reversing of ac motor drives
GB2107945B (en) Motor variable frequency drive
EP0131102A3 (en) Variable frequency controller
GB2036495B (en) Frequency divider
JPS54125910A (en) Frequency synthesizer controller
JPS52151023A (en) Ultrasonic wave oscillator constant velocity controller

Legal Events

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