IT1137603B - Unita' di controllo,di tipo digitale per convertitori - Google Patents

Unita' di controllo,di tipo digitale per convertitori

Info

Publication number
IT1137603B
IT1137603B IT22842/81A IT2284281A IT1137603B IT 1137603 B IT1137603 B IT 1137603B IT 22842/81 A IT22842/81 A IT 22842/81A IT 2284281 A IT2284281 A IT 2284281A IT 1137603 B IT1137603 B IT 1137603B
Authority
IT
Italy
Prior art keywords
converters
control unit
digital type
digital
type
Prior art date
Application number
IT22842/81A
Other languages
English (en)
Other versions
IT8122842A0 (it
Inventor
John J Dougherty
Original Assignee
Reliance 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 Reliance Electric Co filed Critical Reliance Electric Co
Publication of IT8122842A0 publication Critical patent/IT8122842A0/it
Application granted granted Critical
Publication of IT1137603B publication Critical patent/IT1137603B/it

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H02M7/487—Neutral point clamped inverters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/0321—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers
    • G06F1/0342—Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers for generating simultaneously two or more related waveforms, e.g. with different phase angles only

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Inverter Devices (AREA)
  • Analogue/Digital Conversion (AREA)
IT22842/81A 1980-07-10 1981-07-09 Unita' di controllo,di tipo digitale per convertitori IT1137603B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/168,460 US4348734A (en) 1980-07-10 1980-07-10 Converter by stored switching pattern

Publications (2)

Publication Number Publication Date
IT8122842A0 IT8122842A0 (it) 1981-07-09
IT1137603B true IT1137603B (it) 1986-09-10

Family

ID=22611574

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22842/81A IT1137603B (it) 1980-07-10 1981-07-09 Unita' di controllo,di tipo digitale per convertitori

Country Status (12)

Country Link
US (1) US4348734A (it)
JP (1) JPS5750104A (it)
AU (1) AU7271481A (it)
BE (1) BE889577A (it)
BR (1) BR8104400A (it)
DE (1) DE3127136A1 (it)
DK (1) DK305281A (it)
FR (1) FR2486732A1 (it)
GB (1) GB2080060A (it)
IT (1) IT1137603B (it)
NL (1) NL8103310A (it)
SE (1) SE8104257L (it)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409534A (en) * 1980-04-09 1983-10-11 General Electric Company Microcomputer-based pulse width modulated inverter fed machine drive system
JPS5783194A (en) * 1980-11-10 1982-05-24 Hitachi Ltd Ac motor controlling device using pulse width modulation inverter
US4491778A (en) * 1981-10-19 1985-01-01 Hughes Tool Company Motor variable frequency drive
US4447786A (en) * 1982-02-12 1984-05-08 Black & Decker Inc. Waveform synthesizer and motor controller
US4489267A (en) * 1982-02-12 1984-12-18 Black & Decker Inc. Waveform synthesizer and motor controller
US4599550A (en) * 1982-05-07 1986-07-08 The Babcock & Wilcox Company Digital generation of 3-phase PWM waveforms for variable speed control of induction motor
US4435824A (en) * 1982-05-20 1984-03-06 Motorola, Inc. Communication system having improved differential phase shift keying modulation
DE3313120A1 (de) * 1983-04-12 1984-10-18 Danfoss As Digitale steuereinrichtung fuer einen wechselrichter
US4584658A (en) * 1983-06-14 1986-04-22 Westinghouse Electric Corp. Stable sine wave generator
JPS6014514U (ja) * 1983-07-06 1985-01-31 エヌエスデイ株式会社 アナログ波形発生装置
JPS6039906A (ja) * 1983-08-15 1985-03-02 Shibaura Eng Works Co Ltd 正弦波発生回路
JPH0634594B2 (ja) * 1983-10-07 1994-05-02 株式会社東芝 電圧形インバ−タ
US4527226A (en) * 1983-11-02 1985-07-02 Sundstrand Corporation Inverter control system for providing an easily filtered output
US4634952A (en) * 1983-11-30 1987-01-06 System Homes Company, Ltd. Inverter
US4587605A (en) * 1984-01-19 1986-05-06 Matsushita Electric Industrial Co., Ltd. Inverter-drive controlling apparatus
JPS6152193A (ja) * 1984-08-22 1986-03-14 Toshiba Corp Ｐｗｍ制御回路
JPS6158476A (ja) * 1984-08-30 1986-03-25 Mitsubishi Electric Corp インバ−タの制御回路
US4635177A (en) * 1984-11-16 1987-01-06 Sundstrand Corporation Control for a neutral point clamped PWM inverter
US4595976A (en) * 1984-12-27 1986-06-17 Sundstrand Corporation Inverter control
SE448038B (sv) * 1985-05-23 1987-01-12 Flaekt Ab Forfarande och anordning for att sa styra inkopplingstiden for vart och ett av tva motstellda, sinsemellan parallellkopplade, strompassage i endast en riktning tillatande, organ att magnetiseringsstrommen genom en trans
US4638417A (en) * 1985-08-16 1987-01-20 Sperry Corporation Power density spectrum controller
CH669873A5 (it) * 1986-06-03 1989-04-14 Rolf Schmidhauser Dipl Ing
JP2535331B2 (ja) * 1986-06-13 1996-09-18 キヤノン株式会社 画像処理装置用の電子制御装置
US5247469A (en) * 1991-05-23 1993-09-21 Proxim, Inc. Digital frequency synthesizer and method with vernier interpolation
JP3901825B2 (ja) * 1998-02-13 2007-04-04 富士通株式会社 波形生成装置及び方法
SG89392A1 (en) * 2000-05-08 2002-06-18 Texas Instruments Inc Silent spin sine wave generator
US6644310B1 (en) * 2000-09-29 2003-11-11 Mallinckrodt Inc. Apparatus and method for providing a breathing gas employing a bi-level flow generator with an AC synchronous motor
US6434020B1 (en) 2001-04-09 2002-08-13 Hydro-Quebec Apparatus and method of operating two switches connecting respectively a load to power source terminals in response to a switch control signal
TW200626852A (en) * 2004-12-17 2006-08-01 Universal Biosensors Pty Ltd Electromagnetic radiation collector
EP2433353A1 (en) * 2009-05-22 2012-03-28 Arçelik Anonim Sirketi Arrangement for starting a single phase induction motor
US9014293B2 (en) 2013-03-15 2015-04-21 Tm Ip Holdings, Llc Transpositional modulation systems and methods
CN106533228B (zh) * 2016-12-01 2019-08-13 阳光电源股份有限公司 五电平逆变电路的pwm控制方法、控制电路以及逆变器
FR3076129B1 (fr) * 2017-12-27 2020-01-10 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede de modulation de largeur d'impulsions
WO2019236746A1 (en) 2018-06-05 2019-12-12 Tm Ip Holdings, Llc Transpositional modulation and demodulation
US11557978B2 (en) * 2020-07-31 2023-01-17 Lear Corporation Converter module with phase shift

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510751A (en) * 1968-02-26 1970-05-05 Trw Inc Naturally sampled quad pulse width modulated inverter
US3657657A (en) * 1970-08-03 1972-04-18 William T Jefferson Digital sine wave generator
US3772681A (en) * 1970-10-14 1973-11-13 Post Office Frequency synthesiser
US4047083A (en) * 1976-03-08 1977-09-06 General Electric Company Adjustable speed A-C motor drive with smooth transition between operational modes and with reduced harmonic distortion
BE845644A (fr) * 1976-08-27 1977-02-28 Acec Onduleur
US4099109A (en) * 1976-10-01 1978-07-04 Westinghouse Electric Corp. Digital apparatus for synthesizing pulse width modulated waveforms and digital pulse width modulated control system
US4095275A (en) * 1977-02-14 1978-06-13 Westinghouse Electric Corp. Pulse width modulated sine cosine generator
DE2746743C2 (de) * 1977-10-18 1986-04-17 Ibm Deutschland Gmbh, 7000 Stuttgart Verfahren und Anordnung zur computergesteuerten Erzeugung von Impulsintervallen
US4204267A (en) * 1978-04-10 1980-05-20 Vsesojuzny Nauchno-Issledovatelsky Institut Vagonostroenia Digital control device for d.c. thyristor-pulse converter
US4202236A (en) * 1978-05-11 1980-05-13 Kimball International, Inc. Chord pattern generator
US4210962A (en) * 1978-06-30 1980-07-01 Systems Control, Inc. Processor for dynamic programming
DE2829793A1 (de) * 1978-07-06 1980-01-17 Siemens Ag Steuersatz fuer einen stromrichter

Also Published As

Publication number Publication date
JPS5750104A (en) 1982-03-24
GB2080060A (en) 1982-01-27
BE889577A (nl) 1982-01-11
US4348734A (en) 1982-09-07
AU7271481A (en) 1982-01-14
DE3127136A1 (de) 1982-04-22
FR2486732A1 (fr) 1982-01-15
NL8103310A (nl) 1982-02-01
BR8104400A (pt) 1982-03-30
SE8104257L (sv) 1982-01-11
DK305281A (da) 1982-01-11
IT8122842A0 (it) 1981-07-09

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