JPS5985091U - 直接デイジタル式直流−３相交流変換装置 - Google Patents

直接デイジタル式直流−３相交流変換装置

Info

Publication number
JPS5985091U
JPS5985091U JP1983159404U JP15940483U JPS5985091U JP S5985091 U JPS5985091 U JP S5985091U JP 1983159404 U JP1983159404 U JP 1983159404U JP 15940483 U JP15940483 U JP 15940483U JP S5985091 U JPS5985091 U JP S5985091U
Authority
JP
Japan
Prior art keywords
phase
waveform
logic
voltage power
responsive
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.)
Pending
Application number
JP1983159404U
Other languages
English (en)
Inventor
チヤ−ルズ・ハリソン・カルバ−トソン
Original Assignee
ウエスチングハウス　エレクトリック　コ−ポレ−ション
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 ウエスチングハウス　エレクトリック　コ−ポレ−ション filed Critical ウエスチングハウス　エレクトリック　コ−ポレ−ション
Publication of JPS5985091U publication Critical patent/JPS5985091U/ja
Pending legal-status Critical Current

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
    • H02M7/505—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 using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/515—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 using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/525—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 using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
    • H02M7/527—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 using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation
    • H02M7/529—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 using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation using digital control
    • 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)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】

Claims (1)

    【実用新案登録請求の範囲】
  1. 交流基準波形を使用せずに直流電圧を５相交流出力に直
    接ディジタル変換する装置であってクロック・パルスを
    発生するバめのパルス発生器装置−と、前記パルス発生
    器装置に接続され前記クロック・パルスにより増分され
    て前記クロック・パルスにより発生される計数値を表わ
    すディジタル出力を発生するアップダウン計数器装置と
    、前記アップタウン計数器装置に動作結合されアップ計
    数モードあるいはダウン計数モードのいずれかに前記ア
    ップダウン計数器装置を定める選択器と、前記アップダ
    ウン計数器装置の前記ディジタル出力に応答して第１、
    第２並びに第３の対の論理制御信号を発生するためのプ
    ログラム可能な読出し専用メモリ装置で前記各対が予め
    プログラムされた交流波形を表すパターンシーケンスで
    、論理「１ｊおよび「０」の組合ｉに対応し、前記交流
    波形は所望の３相交流出力を表す第１、第２並びに第３
    の相の交流波形に夫々に対応するものと、そして前゛　
    　記プログラム可能な読出し専用メモリ装置をその各が
    複数個の電力切換装置からなる第１、第２並−びに第３
    の直流電圧電力段に動作結合するための論理回路装置と
    を備え、前記論理回路装置は前記第１の対の論理制御信
    号に応答して前記第１の直”流電圧電力投の電力切換装
    置の導通を制御し以て−前記第１の相の予めプログラム
    された交流波形に応答したパルス幅変調出力を発生し、
    前記論理回路装置は前記第２の対の論理制御信号に応答
    して一前記第２の直流電圧電力段の電力切換装置の導通
    を制御し、以て前記第２の相の予めプログラムされた交
    流波形に応答したパルス幅変調出力を発生し、前記論理
    回路装置は前記第３の対の論理＄制御　　′信号に応答
    して前記第３め直流電圧電力段の電力切換装置の導通を
    制御し、以て前記第３の相の予めプログラムされた交流
    波形に応答するパルス幅変調出力を発生しそして双方向
    性電気駆動装置は前記第１′、第２並びに第３の直流電
    圧電力段により発せられる３相交流出力により駆動され
    又前記双方向性電気駆動装置は前記選択詰装置によりつ
    くられるアップ計数操作モードに応答して第１の方向に
    駆動されそしてダウン計数操作モードに応　′答して反
    対の方向に駆動されるようにした直接ディジタル式直流
    −３相交流変換装置。゛
JP1983159404U 1976-08-10 1983-10-17 直接デイジタル式直流−３相交流変換装置 Pending JPS5985091U (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/713,177 US4105939A (en) 1976-08-10 1976-08-10 Direct digital technique for generating an AC waveform
US713177 1976-08-10

Publications (1)

Publication Number Publication Date
JPS5985091U true JPS5985091U (ja) 1984-06-08

Family

ID=24865098

Family Applications (2)

Application Number Title Priority Date Filing Date
JP9521577A Pending JPS5348449A (en) 1976-08-10 1977-08-10 Direct digital dcctooac converter
JP1983159404U Pending JPS5985091U (ja) 1976-08-10 1983-10-17 直接デイジタル式直流−３相交流変換装置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP9521577A Pending JPS5348449A (en) 1976-08-10 1977-08-10 Direct digital dcctooac converter

Country Status (5)

Country Link
US (1) US4105939A (ja)
JP (2) JPS5348449A (ja)
CA (1) CA1095983A (ja)
ES (1) ES461490A1 (ja)
GB (1) GB1543479A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195336A (en) * 1978-05-17 1980-03-25 Vsesojuzny Nauchno-Issledovatelsky Institut Vagonostroenia Digital control device for multiphase thyristor-pulse d.c. converter
DE2842278A1 (de) * 1978-09-28 1980-04-03 Siemens Ag Steuersatz fuer einen stromrichter
US4245290A (en) * 1978-12-18 1981-01-13 United Technologies Corporation Sliding notch pulse width modulation (PWM)
US4383245A (en) * 1980-10-31 1983-05-10 Sperry Corporation Digital servomotor drive apparatus
JPS5836176A (ja) * 1981-08-26 1983-03-03 Mayekawa Mfg Co Ltd トランジスタインバ−タ装置
ES8404580A1 (es) * 1982-05-07 1984-05-01 Babcock & Wilcox Co Dispositivo para generar formas de onda trifasicas de impulsos modulados en anchura para controlar motores de induccion.
US4584658A (en) * 1983-06-14 1986-04-22 Westinghouse Electric Corp. Stable sine wave generator
US4754466A (en) * 1986-05-22 1988-06-28 Chrysler Motors Corporation Method for chip selection and counting in a digital pulse width modulated integrated circuit
US4742441A (en) * 1986-11-21 1988-05-03 Heart Interface Corporation High frequency switching power converter
US4819597A (en) * 1988-04-05 1989-04-11 Eaton Corporation Clocked current torque motor control
JP2637564B2 (ja) * 1989-08-03 1997-08-06 三菱電機株式会社 モータコントローラ回路内蔵マイクロコンピュータ
US5055992A (en) * 1990-01-29 1991-10-08 Sundstrand Corporation Control for full-bridge inverter
US5414615A (en) * 1990-11-27 1995-05-09 General Electric Company Pattern generation control for inverter drives
US5168439A (en) * 1990-11-27 1992-12-01 General Electric Company Inverter control method and apparatus
JP2885256B2 (ja) * 1991-12-25 1999-04-19 日本電気株式会社 マイクロコンピュータ
US5400237A (en) * 1992-05-11 1995-03-21 Simmonds Precision Products, Inc. PWM inverter controller with waveform memory
JPH07134191A (ja) * 1993-11-12 1995-05-23 Toshiba Corp 制御棒駆動機構の駆動装置
JPH10173738A (ja) * 1996-12-13 1998-06-26 Fujitsu Ltd 信号発生装置及びこれを具備する電子装置
ATE239321T1 (de) * 1999-05-28 2003-05-15 Peco Ii Inc Verfahren und vorrichtung zum teillastbetrieb zwischen parallelen wechselrichtern in einer wechselstromversorgung
US6396317B1 (en) 1999-05-28 2002-05-28 Peco Ii, Inc., Digital voltage controlled oscillator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA896086A (en) * 1969-05-19 1972-03-21 Kernick Andress Programmed waveform static inverter for digitally generating a-c waveforms comprised of a pattern of equal width voltage pulses
US3624486A (en) * 1970-03-06 1971-11-30 Westinghouse Electric Corp Apparatus for controlling pulse width modulation of inverter circuits
US3649902A (en) * 1970-06-15 1972-03-14 Gen Electric Dc to ac inverter for producing a sine-wave output by pulse width modulation
US3766497A (en) * 1972-01-21 1973-10-16 Power Control Corp Method and apparatus for pulse width modulation with variable frequency modes
JPS4995147A (ja) * 1973-01-18 1974-09-10
JPS50130988A (ja) * 1974-04-05 1975-10-16
US4028609A (en) * 1975-12-22 1977-06-07 Westinghouse Electric Corporation Digital firing pulse generator with pulse suppression

Also Published As

Publication number Publication date
US4105939A (en) 1978-08-08
GB1543479A (en) 1979-04-04
ES461490A1 (es) 1978-12-01
JPS5348449A (en) 1978-05-01
CA1095983A (en) 1981-02-17

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