KR890005960A - 전원장치 - Google Patents

전원장치 Download PDF

Info

Publication number
KR890005960A
KR890005960A KR1019880011983A KR880011983A KR890005960A KR 890005960 A KR890005960 A KR 890005960A KR 1019880011983 A KR1019880011983 A KR 1019880011983A KR 880011983 A KR880011983 A KR 880011983A KR 890005960 A KR890005960 A KR 890005960A
Authority
KR
South Korea
Prior art keywords
circuit
voltage
output
power supply
detection
Prior art date
Application number
KR1019880011983A
Other languages
English (en)
Other versions
KR920004007B1 (ko
Inventor
야스오 노도아라
쯔네히로 엔노
고오지로오 야마시따
모또오 후따미
기시시께루
Original Assignee
이다 가쓰시게
가부시기 가이샤 히다찌세이사꾸쇼
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
Priority claimed from JP62229580A external-priority patent/JP2510618B2/ja
Priority claimed from JP62270461A external-priority patent/JPH01114372A/ja
Application filed by 이다 가쓰시게, 가부시기 가이샤 히다찌세이사꾸쇼 filed Critical 이다 가쓰시게
Publication of KR890005960A publication Critical patent/KR890005960A/ko
Application granted granted Critical
Publication of KR920004007B1 publication Critical patent/KR920004007B1/ko

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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
    • H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
    • H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
    • H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
    • 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
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc 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 triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of ac power input into dc 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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M7/219—Conversion of ac power input into dc 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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
    • 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
    • H02M7/53—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 triode or transistor type requiring continuous application of a control signal
    • H02M7/537—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53873—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with digital control
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Inverter Devices (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

내용 없음

Description

전원장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도는 본 발명의 제3실시예의 회로구성도.
제8도는 본 발명의 제4실시예의 회로 구성도.
제10도는 전력을 3상교류 전원에서 입력하는 제5실시예에 따른 전원장치의 회로구성도.

Claims (11)

  1. 교류전원을 직류로 변환하는 정류회로(3)와, 그 정류회로에 의해 직류전원으로 변환한 후에 평활한 직류출력전압(Ed)을 얻기 위한 평활회로(5)와 인덕턴스(2)에 의해 실행되는 에너지 축적을 이용하거나 스위칭소자(4)에 의해 스위칭동작을 이용하여 역률을 개선한 역률개선회로로 이루어진 전원장치에 있어서, 상기 정류회로에 의하여 직류전원으로 변환된 검출 및 증록용전원전류 검출 및 증폭회로(7)와, 상기 스위칭소자의 전류반송비 지령치를 작성하기 위한 전류반송비 지령준비수단(8)과, 상기 전원검출 및 증폭회로의 출력이 양의 부호를 갖는 경우에 최대전류반송비를 제공하는 전류반송비 지령치에서 상기 전원전류 검출 및 증폭회로의 출력을 감산하는 전류반송비 지령준비수단과, 상기 전원전류검출 및 증폭회로의 출력이 음의 부호를 갖는 경우에 출력을 합하는 전류반송비 지령준비 수단을 이러한 방식으로 전류반송비 지령치를 출력하는 전류 반송비지령준비수단으로 이루어진 것을 특징으로하는 전원장치.
  2. 제1항에 있어서, 최대전류반송비가 1인 것을 특징으로하는 전원장치.
  3. 제1항에 있어서, 출력전압을 부하(6)로 제어하는 상기 직류출력전압(Ed)과 적류전압지령(Ed)간의 편차가 영이되도록 하는 방식으로 상기 전원전류검출 및 증폭회로의 증폭도(K)를 변화함으로서 직류출력전압을 제어하는 직류전압제어수단(16)으로 이루어진 것을 특징으로하는 전원장치.
  4. 제1항에 있어서, 인버터(17)와 모터(18)가 상기 평활회로의 출력단으로 접속되도록 모터속도제어기(16, 20, 21)를 구비하고, 출력단전압을 상기 모터속도제어기로 입력하고 상기 평활회로의 출력단전압을 검출하는 직류 전압검출회로(24)와 상기 모터속도제어기가 속도지령(23)이 영으로된 것과 상기 모니터의 속도(22)간의 편차로 직류전압지령을 준비하여 상기 모터의 속도를 제어하고, 상기 직류전압검출회로에서 모터속도 제어기로 입력하는 직류 출력전압(Ed)과 직류전압지령이 영으로된 것과의 사이의 편차로 상기 전원전류검출 및 증폭회로의 증폭도(K)를 변화시키는 것을 특징으로하는 전원장치.
  5. 제1항에 있어서, 인버터(17)와 모터(18)가 상기 평활회로의 출력단에 접속되도록 모터속도제어기(16, 20, 21)를 구비하고, 모터속도 제어기가 상기 모터의 속도(22)와 영으로된 속도지령(23)간의 편차로 상기 전원전류검출 및 증폭회로의 중폭도(K)의 변화에 의해 상기 모터의 속도를 제어하는 것을 특징으로하는 전원장치.
  6. 교류전원을 직류로 변환하기 위한 정류회로(3)와, 그 정류회로에 의해 직류전원으로 변환한 후에 평활한 직류출력전압(Ed)을 얻기 위한 평활회로(5)와, 인덕턴스(2)에 의해 실행되는 에너지축적을 이용하거나 스위칭소자(4)에 의해 스위칭동작을 이용하여 역률을 개선하기 위한 역률개선회로에 있어서, 상기 정류회로에 의하여 직류전원으로 변환된 검출 및 증폭용 전원전류 검출 및 증폭회로(7)와, 상기 평활회로에 의하여 평활한 직류전압으로 리플성분을 검출 및 증폭하기 위한 직류전압 리플검출 및 증폭회로(17)와, 상기 스위칭소자의 전류반송비 지령치를 준비하기 위한 전류반송비지령준비수단(8)과, 상기 전원검출 및 증폭회로의 출력이 양의 부호를 갖는 경우에 최대전류반송비를 제공하는 전류반송비 지령치에서 상기 전원전류검출 및 증폭회로의 출력을 감산하는 전류반송비 지령준비수단과, 상기 전원전류검출 및 증폭회로의 출력이 음의 부호를 갖는 경우에 출력을 합하는 전류반송비 지령준비수단과, 상기 직류전압리플검출 및 증폭회로의 출력리플성분이 반전되지 않는 경우에 상기 직류전압 리플검출 및 증폭회로의 출력이 최대전류반송비를 제공하는 전류반송비 지령치의 출력을 합하고, 상기 직류전압 리플검출 및 증폭회로의 출력리플성분이 반전되는 경우에 상기 직류전압리플검출 및 증폭회로의 출력이 그 출력으로부터 감산되는 방식으로 전류반송비 지령치를출력하는 전류반송비지령준비수단으로 이루어진 것을 특징으로하는 전원장치.
  7. 제6항에 있어서, 최대전류반송비가 1인 것을 특징으로하는 전원장치.
  8. 제6항에 있어서, 출력전압을 부하(6)로 제어하는 상기 직류출력전압(Ed)과 직류전압지령(Ed)간의 편차가 영이되도록 하는 방식으로 상기 전원전류검출 및 증폭회로의 중폭도(K)를 변화함으로서 직류출력전압을 제어하는 직류전압제어수단(16)으로 이루어지는 것을 특징으로하는 전원장치.
  9. 제6항에 있어서, 인버터(17)와 모터(18)가 상기 평활회로의 출력단으로 접속되도록 모터속도제어기(16, 20, 21)를 구비하고, 출력단전압을 검출하는 직류전압검출회로(24)와, 상기 모터속도제어기가 속도지령(23)이 영으로 된 것과 상기 모터의 속도(22)간의 편차로 직류전압지령(Ed)을 준비하여 상기 모터의 속도를 제어하고, 상기 직류전압검출회로에서 모터속도제어기로 입력하는 직류출력전압(Ed)과 직류전압지령이 영으로 된 것과의 사이의 편차로 상기 전원전류검출 및 증폭회로의 증폭도(K)를 변화시키는 것을 특징으로하는 전원장치.
  10. 제6항에 있어서, 인버터(17)와 모터(18)가 상기 평활회로의 출력단에 접속되도록 모터속도제어기(16, 20, 21)를 구비하고, 모터속도 제어기가 상기 모터의 속도(22)와 영으로된 속도지령(23)간의 편차로 상기 전원전류 검출 및 증폭회로의 증폭도(K)의 변화에 의해 상기 모터의 속도를 제어하는 것을 특징으로 하는 전원장치.
  11. 제6항에 있어서, 상기 직류전압리플검출 및 증폭회로가 직류전압의 평균치를 처리하기 위한 필터회로(17-1)와, 상기 펄터회로의 출력과 직류출력전압에 응답하여 리플성분만을 처리하기 위한 연산 증폭회로(17-2)로 이루어진 것을 특징으로하는 전원장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880011983A 1987-09-16 1988-09-16 전원장치 KR920004007B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP229580 1987-09-16
JP62229580A JP2510618B2 (ja) 1987-09-16 1987-09-16 電源装置
JP62-229580 1987-09-16
JP270461 1987-10-28
JP62270461A JPH01114372A (ja) 1987-10-28 1987-10-28 電源装置

Publications (2)

Publication Number Publication Date
KR890005960A true KR890005960A (ko) 1989-05-18
KR920004007B1 KR920004007B1 (ko) 1992-05-21

Family

ID=26528880

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880011983A KR920004007B1 (ko) 1987-09-16 1988-09-16 전원장치

Country Status (4)

Country Link
US (1) US5050057A (ko)
EP (1) EP0307719B1 (ko)
KR (1) KR920004007B1 (ko)
DE (1) DE3868803D1 (ko)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969076A (en) * 1989-08-14 1990-11-06 General Electric Company Load compensating gain control for a series resonant inverter
US5420778A (en) * 1990-08-09 1995-05-30 System Homes Company, Ltd. Independent real time control of output frequency and voltage of PWM inverter
FR2675000A1 (fr) * 1991-04-05 1992-10-09 Artus Procede et dispositif pour attenuer l'effet du radioparasitage par conduction sur le reseau alternatif polyphase.
US5387848A (en) * 1992-03-05 1995-02-07 Philips Electronics North America Corporation Fluorescent lamp ballast with regulated feedback signal for improved power factor
US5313142A (en) * 1992-03-05 1994-05-17 North American Philips Corporation Compact fluorescent lamp with improved power factor
DE4213096A1 (de) * 1992-04-21 1993-10-28 Ind Automation Mikroelektronik Spannungswandler
US5224025A (en) * 1992-04-21 1993-06-29 Wisconsin Alumni Research Foundation Forward converter with two active switches and unity power factor capability
US5631812A (en) * 1992-10-06 1997-05-20 Fanuc Ltd. Motor drive control method
GB2301240A (en) * 1995-05-25 1996-11-27 Smiths Industries Plc Rectifier circuit
US6084786A (en) * 1999-01-29 2000-07-04 Hamilton Sundstrand Corporation Converter system with power factor and DC ripple control
WO2001073933A1 (fr) * 2000-03-27 2001-10-04 Mitsubishi Denki Kabushiki Kaisha Convertisseur a une seule phase, convertisseur et dispositif pour cycle de refrigeration
EP1501186B1 (en) * 2003-07-18 2018-08-22 III Holdings 10, LLC Motor driving apparatus
US20070171690A1 (en) * 2006-01-26 2007-07-26 Silicon Laboratories, Inc. Active diode bridge system and method
WO2008043039A2 (en) * 2006-10-04 2008-04-10 The Regents Of The University Of California Unified control of single and three-phase power converters
JP5471537B2 (ja) 2010-02-05 2014-04-16 三菱電機株式会社 直流電源装置
US9444287B2 (en) * 2010-04-12 2016-09-13 Toshiba Mitsubishi-Electric Industrial Systems Corporation Power conversion device with ripple filtering
US8711592B2 (en) * 2011-06-21 2014-04-29 Elster Solutions, Llc Linear transformer power supply
US9496782B2 (en) * 2011-12-22 2016-11-15 B/E Aerospace, Inc. Digitally-controlled power factor correction circuits, methods and articles of manufacture
JP2013158219A (ja) * 2012-01-31 2013-08-15 Nippon Densan Corp モータユニット
CN108011534B (zh) * 2017-11-20 2019-07-19 浙江电牛电气有限公司 三相电控制系统及变流器、逆变器和电力补偿装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704023A (en) * 1979-03-12 1987-11-03 Vivitar Corporation Camera to flash adapter
DE3044359C2 (de) * 1979-11-30 1983-02-24 Hitachi, Ltd., Tokyo Stromversorgungsanordnung
JPS56117578A (en) * 1980-02-20 1981-09-16 Toshiba Corp Controller for current of current type inverter
US4384321A (en) * 1980-04-29 1983-05-17 California Institute Of Technology Unity power factor switching regulator
GB2085204B (en) * 1980-10-06 1984-03-07 Gec Elliott Automation Ltd Motor control system
US4386394A (en) * 1981-05-20 1983-05-31 General Electric Company Single phase and three phase AC to DC converters
US4412277A (en) * 1982-09-03 1983-10-25 Rockwell International Corporation AC-DC Converter having an improved power factor
JPH0789743B2 (ja) * 1983-04-26 1995-09-27 株式会社東芝 整流電源回路
JPS60194766A (ja) * 1984-03-15 1985-10-03 Mitsubishi Electric Corp 電力変換装置
US4591963A (en) * 1984-04-23 1986-05-27 At&T Bell Laboratories Technique for reducing line current harmonics at input to power supply acting as nonlinear load
DE3541307C1 (en) * 1985-11-22 1987-02-05 Philips Patentverwaltung DC power supply generator e.g. for gas discharge lamp - obtains regulated DC voltage from mains supply giving sinusoidal input to filter and rectifier
US4730243A (en) * 1985-12-23 1988-03-08 Sundstrand Corporation EMI reduction circuit
JPH0638711B2 (ja) * 1986-03-28 1994-05-18 三菱電機株式会社 インバ−タ用直流電源装置
JPH0783605B2 (ja) * 1986-05-26 1995-09-06 株式会社日立製作所 整流回路の制御装置
US4761725A (en) * 1986-08-01 1988-08-02 Unisys Corporation Digitally controlled A.C. to D.C. power conditioner
US4816982A (en) * 1987-11-23 1989-03-28 Viteq Corporation AC to DC power converter with integrated line current control for improving power factor

Also Published As

Publication number Publication date
US5050057A (en) 1991-09-17
KR920004007B1 (ko) 1992-05-21
EP0307719B1 (en) 1992-03-04
EP0307719A2 (en) 1989-03-22
EP0307719A3 (en) 1989-08-30
DE3868803D1 (de) 1992-04-09

Similar Documents

Publication Publication Date Title
KR890005960A (ko) 전원장치
KR910003900A (ko) 전압형 pwm 콘버터/인버터 시스템 및 그 제어 방법
KR920019053A (ko) 펄스폭 변조(pwm)콘버터의 제어방법 및 장치
EP1191661A3 (en) Uninterruptible power system
KR890011769A (ko) 교류 엘리베이터의 제어장치
KR970075368A (ko) 선형 압축기 구동장치
JPS6430190A (en) Load propriety detection circuit for induction heating cooker
KR870009532A (ko) 인버터용 직류전원장치
KR890009052A (ko) 전력변환장치의 제어회로
JPS5636046A (en) Detecting device for relative humidity
JPH0851774A (ja) スイッチング電源回路
JPS57122686A (en) Parallel operation controller for dc motor
KR890001259A (ko) 유도 모터 드라이브용 크로스 타이
JP2000037072A (ja) 電力変換回路
JPH062477Y2 (ja) 電力変換器の制御装置
JPS54139024A (en) Transistor inverter
JPS5513432A (en) Output voltage control unit for inverter
JP3185162B2 (ja) インバータの自動電圧制御方法
JPH0767286B2 (ja) 定電圧、定周波電源装置
JP2547346B2 (ja) インバータの制御装置
KR890008934Y1 (ko) 삼상유도전동기의 정토크 제어회로
SU145934A1 (ru) Устройство дл преобразовани переменного напр жени в посто нное
JPH0249399U (ko)
JPH09233844A (ja) 電力変換装置の制御回路
JPS5713974A (en) Controller for effective electric power of self-excited inverter

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20050502

Year of fee payment: 14

LAPS Lapse due to unpaid annual fee