KR980006703A - 3레벌 전력 변환기의 콘덴서 용량 판정장치 - Google Patents

3레벌 전력 변환기의 콘덴서 용량 판정장치 Download PDF

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Publication number
KR980006703A
KR980006703A KR1019970023138A KR19970023138A KR980006703A KR 980006703 A KR980006703 A KR 980006703A KR 1019970023138 A KR1019970023138 A KR 1019970023138A KR 19970023138 A KR19970023138 A KR 19970023138A KR 980006703 A KR980006703 A KR 980006703A
Authority
KR
South Korea
Prior art keywords
power converter
level power
capacitor
level
alternating voltage
Prior art date
Application number
KR1019970023138A
Other languages
English (en)
Korean (ko)
Inventor
키요시 나카다
키요시 테라사와
슈지 사이토
Original Assignee
가나이 쯔도무
가부시끼가이샤 히다찌 세이사꾸쇼
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 가나이 쯔도무, 가부시끼가이샤 히다찌 세이사꾸쇼 filed Critical 가나이 쯔도무
Publication of KR980006703A publication Critical patent/KR980006703A/ko

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/16Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for capacitors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48Conversion 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
    • H02M7/53Conversion 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
    • H02M7/537Conversion 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Protection Of Static Devices (AREA)
  • Control Of Ac Motors In General (AREA)
KR1019970023138A 1996-06-14 1997-06-04 3레벌 전력 변환기의 콘덴서 용량 판정장치 KR980006703A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15369996A JP3173376B2 (ja) 1996-06-14 1996-06-14 3レベル電力変換器のコンデンサ容量判定装置
JP153699 1996-06-14

Publications (1)

Publication Number Publication Date
KR980006703A true KR980006703A (ko) 1998-03-30

Family

ID=15568190

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970023138A KR980006703A (ko) 1996-06-14 1997-06-04 3레벌 전력 변환기의 콘덴서 용량 판정장치

Country Status (6)

Country Link
JP (1) JP3173376B2 (ja)
KR (1) KR980006703A (ja)
CN (1) CN1169049A (ja)
AU (1) AU690489B2 (ja)
BR (1) BR9703583A (ja)
ZA (1) ZA975118B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6115312Y2 (ja) * 1980-01-22 1986-05-13
FI120280B (fi) 2008-01-21 2009-08-31 Switch High Power Converters O Menetelmä tasajännitevälipiirin kondensaattorien kunnonvalvontaan
DE102013104847A1 (de) * 2013-05-10 2014-11-13 Ebm-Papst Mulfingen Gmbh & Co. Kg "Schutzbeschaltung für Isolationsschäden durch Ausfall von Zwischenkreiskondensatoren"
EP3242391B1 (en) * 2016-05-03 2020-03-04 ABB Schweiz AG Method for monitoring change in capacitance in electric system and electric system
JP7002985B2 (ja) * 2018-04-12 2022-01-20 株式会社東芝 電力変換装置および電力変換装置の制御方法
CN109347354B (zh) * 2018-11-26 2020-06-05 合肥科威尔电源系统股份有限公司 基于三次谐波注入的中点电压纹波抑制装置及方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225912A (en) * 1978-12-22 1980-09-30 United Technologies Corporation Control for an auxiliary commutation circuit
CH667761A5 (de) * 1985-06-28 1988-10-31 Bbc Brown Boveri & Cie Hochspannungs-gleichspannungsquelle.

Also Published As

Publication number Publication date
AU2370697A (en) 1998-01-08
JP3173376B2 (ja) 2001-06-04
BR9703583A (pt) 1998-07-07
JPH104626A (ja) 1998-01-06
CN1169049A (zh) 1997-12-31
ZA975118B (en) 1997-12-31
AU690489B2 (en) 1998-04-23

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