CA995739A - System for phase shifting inverters to obtain a variable modulated waveform - Google Patents

System for phase shifting inverters to obtain a variable modulated waveform

Info

Publication number
CA995739A
CA995739A CA183,754A CA183754A CA995739A CA 995739 A CA995739 A CA 995739A CA 183754 A CA183754 A CA 183754A CA 995739 A CA995739 A CA 995739A
Authority
CA
Canada
Prior art keywords
phase shifting
modulated waveform
variable modulated
inverters
shifting inverters
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
CA183,754A
Other versions
CA183754S (en
Inventor
Boris Mokrytzki
Udo Meier
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake 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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Application granted granted Critical
Publication of CA995739A publication Critical patent/CA995739A/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
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Inverter Devices (AREA)
CA183,754A 1972-10-24 1973-10-18 System for phase shifting inverters to obtain a variable modulated waveform Expired CA995739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29993272A 1972-10-24 1972-10-24

Publications (1)

Publication Number Publication Date
CA995739A true CA995739A (en) 1976-08-24

Family

ID=23156929

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,754A Expired CA995739A (en) 1972-10-24 1973-10-18 System for phase shifting inverters to obtain a variable modulated waveform

Country Status (2)

Country Link
US (1) US3781615A (en)
CA (1) CA995739A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876923A (en) * 1973-11-28 1975-04-08 Reliance Electric Co Inverter paralleling for harmonic reduction
US3937974A (en) * 1974-08-30 1976-02-10 General Electric Company Starter-generator utilizing phase controlled rectifiers to drive a dynamoelectric machine as a brushless DC motor in the starting mode with starter position sense variation with speed
DE2446635A1 (en) * 1974-09-30 1976-04-08 Siemens Ag INVERTER ARRANGEMENT WITH TWO THREE-PHASE CONTROLLED INVERTERS
JPS5837799B2 (en) * 1976-09-29 1983-08-18 三菱電機株式会社 electric motor device
JPS5610094A (en) * 1979-07-03 1981-02-02 Toshiba Corp Controlling device for commutatorless electric motor
US5294875A (en) * 1989-05-25 1994-03-15 Otis Elevator Company Enhanced polyphase motor operation using a solid state inverter
DE69026711T2 (en) * 1989-12-15 1997-01-02 Anritsu Corp INVERTER-CONTROLLED DEVICE FOR TRANSPORTING AND MEASURING OBJECTS
US5304913A (en) * 1990-10-05 1994-04-19 Contraves Goerz Corporation Multiphase pulse width modulator for a multiphase motor
JP2797728B2 (en) * 1991-02-13 1998-09-17 ブラザー工業株式会社 Pulse generator waveform processing circuit
US6570361B1 (en) * 1999-02-22 2003-05-27 Borealis Technical Limited Rotating induction apparatus
US6922037B2 (en) * 1999-02-22 2005-07-26 Borealis Technical Limited Rotating induction apparatus
US6864661B2 (en) * 1999-02-22 2005-03-08 Borealis Technical Limited Rotating induction apparatus
US7425806B2 (en) * 2004-04-12 2008-09-16 York International Corporation System and method for controlling a variable speed drive
JP4113527B2 (en) * 2004-11-25 2008-07-09 トヨタ自動車株式会社 Power output apparatus and vehicle equipped with the same
DE102005043576A1 (en) * 2005-09-12 2007-03-15 Conti Temic Microelectronic Gmbh Method for operating an electrical machine
US8648559B2 (en) * 2011-03-16 2014-02-11 Deere & Company System for controlling rotary electric machines to reduce current ripple on a direct current bus
CN103312187B (en) * 2012-03-09 2016-02-03 台达电子工业股份有限公司 A kind of converter system
US9106162B2 (en) * 2012-08-31 2015-08-11 Ford Global Technologies, Llc Control strategy for an electric machine in a vehicle
JP2014201198A (en) * 2013-04-04 2014-10-27 トヨタ自動車株式会社 Electric power steering device
US11807112B2 (en) * 2016-12-14 2023-11-07 Bendix Commercial Vehicle Systems Llc Front end motor-generator system and hybrid electric vehicle operating method
US10581361B2 (en) * 2017-01-17 2020-03-03 Ford Global Technologies, Llc Multiple inverter system for an electric machine

Also Published As

Publication number Publication date
US3781615A (en) 1973-12-25

Similar Documents

Publication Publication Date Title
CA995739A (en) System for phase shifting inverters to obtain a variable modulated waveform
CA1001305A (en) Coding system for differential phase modulation
CA1025521A (en) Phase jitter compensation
CA984917A (en) Analog phase tracker
CA964535A (en) By-pass system for a vapor generator
CA955660A (en) Microstrip-slot line phase shifter
CA993949A (en) Phase converter
AU1007970A (en) A synthetic phase hologram
CA993964A (en) Digitally controlled phase shifter
CA953819A (en) Two phase encoder system for three frequency modulation
CA1008164A (en) Phase modulation apparatus
AU5413473A (en) A wide frequency range phase shifter device
AU470647B2 (en) Phase demodular
CA984973A (en) Phase jitter special purpose computer
CA999341A (en) System for reproducing carrier wave for n differential phase shift keyed modulated wave
CA946516A (en) Two phase encoder system for three frequency modulation
CA947430A (en) Four phase encoder system for three frequency modulation
AU474600B2 (en) Phase shift tremulant system
AU456335B2 (en) A crystal controlled frequency shift keying synchronous generating system
BE823551A (en) PHASE MODULATOR
AU5752373A (en) Phase shift vibrato system
CA910996A (en) Multiple phase clock signal generator
CA947859A (en) Monochrome-colour converter including a phase modulator
AU452646B2 (en) Monochrone-colour converter including a phase modulator
AU457807B2 (en) Two phase encoder system for three frequency modulation