KR20140118394A - 멀티 레벨 인버터 - Google Patents
멀티 레벨 인버터 Download PDFInfo
- Publication number
- KR20140118394A KR20140118394A KR1020130034214A KR20130034214A KR20140118394A KR 20140118394 A KR20140118394 A KR 20140118394A KR 1020130034214 A KR1020130034214 A KR 1020130034214A KR 20130034214 A KR20130034214 A KR 20130034214A KR 20140118394 A KR20140118394 A KR 20140118394A
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- South Korea
- Prior art keywords
- unit
- voltage
- rectifying
- input
- inverter
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- 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.)
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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
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency 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
- H02H7/08—Emergency 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
- H02H7/0833—Emergency 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 for electric motors with control arrangements
- H02H7/0838—Emergency 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 for electric motors with control arrangements with H-bridge circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
- H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers
-
- 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
- H02M7/49—Combination of the output voltage waveforms of a plurality of converters
-
- 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
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
-
- 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
- H02P27/14—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 with three or more levels of voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
Description
도2는 도1에 도시된 단위전력셀의 내부 회로도.
도3은 본 실시예에 따른 인버터 시스템의 단위전력셀을 나타내는 회로도.
도4은 도3에 도시된 단위전력셀의 동작을 나타내기 위한 회로도.
도5는 도3에 도시된 인버터 시스템의 단위전력셀의 동작을 나타내는 파형도.
Claims (7)
- 입력단을 통해 제공되는 AC 입력전압을 DC 전압으로 정류하는 정류부;
상기 정류부에서 정류된 DC 전압을 평활시키는 평활부;
상기 평활된 DC 전압을 예정된 AC 전압으로 변환시키기 위한 인버터부;
상기 정류부에 상기 DC 전압이 제공되지 않는 경우 상기 인버터부의 출력단을 단락시키기 위한 단락제어부; 및
상기 평활부에서 제공되는 DC 전압을 상기 단락제어부로 제공하며, 상기 평활부에 평화된 DC 전압이 상기 정류부로 제공되지 않는 경우 상기 입력단에 인가된 AC 입력전압을 정류하여 상기 단락제어부로 제공하는 보조정류회로
를 구비하는 인버터.
- 제 1 항에 있어서,
상기 보조정류회로는
상기 정류부와 대칭되는 회로구조를 가지고 있는 것을 특징으로 하는 인버터.
- 제 1 항에 있어서,
상기 보조정류회로는
상기 입력단에 인가된 AC 입력전압을 정류하여 상기 단락제어부로 제공하기 위한 다수의 제1 다이오드; 및
상기 평활부에서 제공되는 전압이 상기 단락제어부로 전달되도록 하는 다수의 제2 다이오드를 구비하는 것을 특징으로 하는 인버터.
- 제 3 항에 있어서,
상기 다수의 제1 다이오드는
짝수개의 다이오드가 2개씩 직렬연결되어, 입력되는 AC 입력전압의 각 상을 공통노드로 입력받는 것을 특징으로 하는 인버터.
- 제 4 항에 있어서,
상기 제2 다이오드는
상기 평활부의 제1 노드와 상기 단락제어부의 전원입력노드인 제1 노드를 연결하는 제2-1 다이오드; 및
상기 평활부의 제2 노드와 상기 단락제어부의 전원입력노드인 제2 노드를 연결하는 제2-2 다이오드를 구비하고, 상기 제2-1 다이오드와 제2-2 다이오드는 서로 역방향인 것을 특징으로 하는 인버터.
- 제 1 항에 있어서,
상기 보조정류회로는
다수의 제1 다이오드와 상기 단락제어부 사이에 전류흐름의 제한을 위한 저항을 더 구비하는 것을 특징으로 하는 인버터.
- 제 1 항에 있어서,
상기 정류부, 상기 평활부, 상기 인버터부 및 상기 보조정류회로를 구비한 단위전력셀을 다수 구비하여 멀티레벨 출력전압을 제공할 수 있는 인버터.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130034214A KR20140118394A (ko) | 2013-03-29 | 2013-03-29 | 멀티 레벨 인버터 |
US14/188,445 US9444388B2 (en) | 2013-03-29 | 2014-02-24 | Medium voltage inverter system |
EP14158250.2A EP2814162B1 (en) | 2013-03-29 | 2014-03-07 | Medium voltage inverter system |
ES14158250T ES2752769T3 (es) | 2013-03-29 | 2014-03-07 | Sistema inversor de medio voltaje |
JP2014049862A JP2014200169A (ja) | 2013-03-29 | 2014-03-13 | 高圧インバータシステム |
CN201410124555.7A CN104079199B (zh) | 2013-03-29 | 2014-03-28 | 中压逆变器系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130034214A KR20140118394A (ko) | 2013-03-29 | 2013-03-29 | 멀티 레벨 인버터 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20140118394A true KR20140118394A (ko) | 2014-10-08 |
Family
ID=50236028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020130034214A Ceased KR20140118394A (ko) | 2013-03-29 | 2013-03-29 | 멀티 레벨 인버터 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9444388B2 (ko) |
EP (1) | EP2814162B1 (ko) |
JP (1) | JP2014200169A (ko) |
KR (1) | KR20140118394A (ko) |
CN (1) | CN104079199B (ko) |
ES (1) | ES2752769T3 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180110540A (ko) * | 2017-03-29 | 2018-10-10 | 엘에스산전 주식회사 | 인버터 제어 장치 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150140966A (ko) * | 2014-06-09 | 2015-12-17 | 엘에스산전 주식회사 | 바이패스 운전 기능을 갖는 직렬형 h-브릿지 인버터 |
US9787210B2 (en) * | 2015-01-14 | 2017-10-10 | Rockwell Automation Technologies, Inc. | Precharging apparatus and power converter |
CN105356443B (zh) * | 2015-12-02 | 2019-04-23 | 浙江绿动电机科技有限公司 | 电动工具及其断电保护系统 |
CN108242884B (zh) * | 2016-12-23 | 2020-03-10 | 北京天诚同创电气有限公司 | 单路mppt并网用的光伏逆变器系统及其短路保护方法 |
DE102017202208A1 (de) | 2017-02-13 | 2018-08-16 | Siemens Aktiengesellschaft | Versorgungseinrichtung für ein elektrisches Modul mit Sicherungselement |
US11025052B2 (en) | 2018-01-22 | 2021-06-01 | Rockwell Automation Technologies, Inc. | SCR based AC precharge protection |
KR102105405B1 (ko) | 2018-03-21 | 2020-04-28 | 엘에스일렉트릭(주) | 고압 인버터 초기충전 시스템 및 그 제어방법 |
CN111313796B (zh) * | 2019-12-13 | 2025-04-11 | 珠海格力电器股份有限公司 | 可切换驱动模式的驱动电路、方法、变频器及设备 |
CN113726177A (zh) * | 2021-08-03 | 2021-11-30 | 华为数字能源技术有限公司 | 功率单元和固态变压器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3419420A1 (de) * | 1984-05-24 | 1985-11-28 | Siemens AG, 1000 Berlin und 8000 München | Unterbrechungsfreie stromversorgung |
JPS6358899A (ja) | 1986-08-29 | 1988-03-14 | 株式会社日立製作所 | 部品の取付け固定装置 |
JPH0619334Y2 (ja) * | 1986-10-06 | 1994-05-18 | 富士電機株式会社 | インバ−タ装置の制御回路電源装置 |
JPH1014132A (ja) | 1996-06-27 | 1998-01-16 | Sansha Electric Mfg Co Ltd | 無停電電源装置 |
JP3489022B2 (ja) * | 1999-03-18 | 2004-01-19 | 株式会社安川電機 | ダイナミックブレーキ回路と半導体インバータ装置 |
DE10018774B4 (de) * | 2000-04-15 | 2005-08-25 | Koenig & Bauer Ag | Verfahren und Schaltungsanordnung zum lagegeregelten Stillsetzen von rotierenden Bauteilen bei wellenlosen Antrieben bei Spannungsausfall |
US8093764B2 (en) | 2007-09-13 | 2012-01-10 | Siemens Industry, Inc. | Method and system for bypassing a power cell of a power supply |
US8441147B2 (en) | 2006-09-28 | 2013-05-14 | Siemens Industry, Inc. | Device and system for bypassing a power cell of a power supply |
JP2009038848A (ja) | 2007-07-31 | 2009-02-19 | Panasonic Corp | 電源回路 |
JP4706987B2 (ja) * | 2009-07-15 | 2011-06-22 | ダイキン工業株式会社 | 電力変換回路 |
JP2011193589A (ja) | 2010-03-12 | 2011-09-29 | Fuji Electric Co Ltd | 電力変換装置 |
-
2013
- 2013-03-29 KR KR1020130034214A patent/KR20140118394A/ko not_active Ceased
-
2014
- 2014-02-24 US US14/188,445 patent/US9444388B2/en not_active Expired - Fee Related
- 2014-03-07 ES ES14158250T patent/ES2752769T3/es active Active
- 2014-03-07 EP EP14158250.2A patent/EP2814162B1/en active Active
- 2014-03-13 JP JP2014049862A patent/JP2014200169A/ja active Pending
- 2014-03-28 CN CN201410124555.7A patent/CN104079199B/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180110540A (ko) * | 2017-03-29 | 2018-10-10 | 엘에스산전 주식회사 | 인버터 제어 장치 |
Also Published As
Publication number | Publication date |
---|---|
EP2814162A3 (en) | 2015-10-21 |
CN104079199A (zh) | 2014-10-01 |
EP2814162A2 (en) | 2014-12-17 |
US20140292246A1 (en) | 2014-10-02 |
CN104079199B (zh) | 2017-10-13 |
EP2814162B1 (en) | 2019-08-14 |
ES2752769T3 (es) | 2020-04-06 |
JP2014200169A (ja) | 2014-10-23 |
US9444388B2 (en) | 2016-09-13 |
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20130329 |
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