KR940012782A - 인버터 장치의 전류 억제 방법 - Google Patents

인버터 장치의 전류 억제 방법 Download PDF

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Publication number
KR940012782A
KR940012782A KR1019920020601A KR920020601A KR940012782A KR 940012782 A KR940012782 A KR 940012782A KR 1019920020601 A KR1019920020601 A KR 1019920020601A KR 920020601 A KR920020601 A KR 920020601A KR 940012782 A KR940012782 A KR 940012782A
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KR
South Korea
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current
instantaneous
index
value
ipeak
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KR1019920020601A
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English (en)
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KR0132510B1 (ko
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장서건
Original Assignee
성기설
금성계전 주식회사
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Application filed by 성기설, 금성계전 주식회사 filed Critical 성기설
Priority to KR1019920020601A priority Critical patent/KR0132510B1/ko
Priority to DE4337501A priority patent/DE4337501A1/de
Publication of KR940012782A publication Critical patent/KR940012782A/ko
Application granted granted Critical
Publication of KR0132510B1 publication Critical patent/KR0132510B1/ko

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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
    • 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
    • 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
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/0077—Characterised by the use of a particular software algorithm

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

Abstract

본 발명은 인버터장치에서 과전류에 의한 인버터의 트립을 방지하는 전류 억제 방법에 관한것으로 제어 cpu가 현재 인버터의 출력 전류를 A/D 콘버터를 통해 읽어서 억제기준 전류보다 커진 경우 인덱스값을 낮추도를 PWM 발생부로 입력되는 인덱스값을 제어함으로써 인버터의 출력 전압을 조정하여 전류의 억제를 달성할 수 있는 방법에 관한 것이다.
본발명에 의하면 전류 파형의 왜곡을 방지하고 파우어 소자의 파괴를 방지할수 있다.

Description

인버터 장치의 전류 억제 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제7도는 본발명 인버터 장치의 회로도,
제8도는 본 발명의 동작 흐름도,
제9도는 본 발명의 전류 억제를 위한 제1실시예의 동작 흐름도,
제10도는 본 발명의 전류 억제를 위한 제2실시예의 동작흐름도.

Claims (2)

  1. cpu에서 A/D콘버터를 통하여 실전류 ia, ic 순시값을 읽어 id, ig를 계산하므로 전류 순시치 ipeak를 계산하는 단계와, 전류 순시치 ipeak와 억제 기준 전류를 초과하면 인덱스를 Δi씩 감소시키고 억제 기준 전류를 초과하지 않으면 인덱스를 Δi씩 증가시키는 단계와, 상기 인덱스를 Δi씩 증가시킨 상태에서 인덱스와 정상 인덱스의 크기를 정상 인덱스값이 크면 인덱스값을 출력하고 정상 인덱스값이 작으면 정상인덱스 값을 인덱스 값으로 하여 출력하는 단게를 포함한 것을 특징으로 하는 인버터 장치의 전류 억제방법.
  2. 실전류 ia, ic 순시값을 읽는 단계와, ia, ic 순시값에서 3상 전류를 2상으로 변화시킨 값인 id, ig를 계산하여 전류 순시치 ipeak를 계산하는 단계와, 상기 전류 순시치 ipeak의 에러양과 억제 기준 전류를 비례 적분 제어하여 전류 순시치 ipeak가 억제기준 전류를 초과하면 정상 인덱스보다 감소된 인덱스 값을 출력하고 전류 순시치 ipeak가 억제 기준 전류보다 작으면 정상 인덱스 값을 출력하는 단계로 된 것을 특징으로하는 인버터 장치의 전류 억제 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920020601A 1992-11-04 1992-11-04 인버터 장치의 전류 억제 방법 KR0132510B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019920020601A KR0132510B1 (ko) 1992-11-04 1992-11-04 인버터 장치의 전류 억제 방법
DE4337501A DE4337501A1 (de) 1992-11-04 1993-11-03 Verfahren und Einrichtung zum Steuern der Menge der Ströme eines Umrichters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920020601A KR0132510B1 (ko) 1992-11-04 1992-11-04 인버터 장치의 전류 억제 방법

Publications (2)

Publication Number Publication Date
KR940012782A true KR940012782A (ko) 1994-06-24
KR0132510B1 KR0132510B1 (ko) 1998-04-20

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Application Number Title Priority Date Filing Date
KR1019920020601A KR0132510B1 (ko) 1992-11-04 1992-11-04 인버터 장치의 전류 억제 방법

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Country Link
KR (1) KR0132510B1 (ko)
DE (1) DE4337501A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100481781B1 (ko) * 1997-01-20 2005-07-11 주식회사 엘지이아이 드럼세탁기의안전제어장치및그제어방법
KR100504462B1 (ko) * 1998-11-04 2005-09-26 엘지전자 주식회사 세탁기의 전류 제한 장치 및 그 전류 제한 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221906A1 (de) * 1982-06-08 1983-12-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur steuerung einer asynchronmaschine
DE3529591A1 (de) * 1985-08-19 1987-02-26 Siemens Ag Verfahren und vorrichtung zum betrieb eines wechselrichters
JPH02254987A (ja) * 1989-03-24 1990-10-15 Okuma Mach Works Ltd 誘導電動機の制御方式及びその装置

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Publication number Publication date
KR0132510B1 (ko) 1998-04-20
DE4337501A1 (de) 1994-05-05

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