KR20070116280A - 전력 변환기 시스템 및 출력 전압 공급 방법 - Google Patents
전력 변환기 시스템 및 출력 전압 공급 방법 Download PDFInfo
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- KR20070116280A KR20070116280A KR1020077024973A KR20077024973A KR20070116280A KR 20070116280 A KR20070116280 A KR 20070116280A KR 1020077024973 A KR1020077024973 A KR 1020077024973A KR 20077024973 A KR20077024973 A KR 20077024973A KR 20070116280 A KR20070116280 A KR 20070116280A
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- power converter
- converter system
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- 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
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- 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
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- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (19)
- 출력 전압을 공급하고 정상 모드 및 장애 모드에서 동작하도록 적용되는 전력 변환기 시스템으로서,복수의 브릿지와,복수의 트랜스포머 - 각 브릿지는 상응하는 트랜스포머의 1차 권선(primary winding)에 연결되고 상기 트랜스포머의 2차 권선(secondary winding)은 서로 연결됨 - 와,복수의 dc 링크 캐패시터 - 각 dc 링크 캐패시터는 상응하는 브릿지 양단에 연결됨 - 와,상기 정상 모드에서는 각각의 정상 위상 시프트를 갖는 각 브릿지를 스위칭하고, 상기 장애 모드에서는 상기 브릿지들 중 적어도 하나의 결함 브릿지를 바이패싱하고 상기 브릿지들 중 조정된 각각의 위상 시프트를 갖는 나머지 브릿지들을 스위칭하여 상기 출력 전압을 생성하도록 적용되는 컨트롤러를 포함하는전력 변환기 시스템.
- 제 1 항에 있어서,각각이 상응하는 dc 링크 캐패시터 양단에 연결된 복수의 스위칭 회로를 더 포함하는전력 변환기 시스템.
- 제 2 항에 있어서,상기 컨트롤러는 상기 장애 모드 동안 각 결함 브릿지에 상응하는 스위칭 회로를 제어하여 상응하는 dc 링크 캐패시터를 방전시키도록 구성되는전력 변환기 시스템.
- 제 3 항에 있어서,상기 컨트롤러는 상기 장애 모드 동안 방전되지 않은 상기 dc 링크 캐패시터 상의 dc 전력을 동적으로 밸런싱하도록 구성되는전력 변환기 시스템.
- 제 1 항에 있어서,상기 컨트롤러는 상기 장애 모드 동안 상기 출력 전압 내의 고조파 성분(harmonic component)을 최소화하도록 구성되는전력 변환기 시스템.
- 제 5 항에 있어서,상기 위상 시프트는 브릿지의 총 개수에 기초하여 조정되는전력 변환기 시스템.
- 제 5 항에 있어서,상기 위상 시프트는 상기 바이패싱된 브릿지의 총 개수에 기초하여 조정되는전력 변환기 시스템.
- 제 5 항에 있어서,인접한 브릿지들의 상기 위상 시프트 간의 차는 60을 브릿지의 총 개수와 바이패싱된 브릿지의 총 개수의 차로 나눈 값과 동일한전력 변환기 시스템.
- 제 1 항에 있어서,상기 전력 변환기 시스템의 상기 출력 전압은 상기 정상 모드 및 상기 장애 모드 동안 실질적으로 동일한전력 변환기 시스템.
- 제 1 항에 있어서,적어도 하나의 트랜스포머의 상기 2차 권선을 통해 부하에 연결된 직접 연결 브릿지와,상기 직접 연결 브릿지 양단에 연결된 직접 연결 dc 링크와,상기 직접 연결 dc 링크 양단에 연결된 직접 연결 스위칭 회로를 더 포함하 는전력 변환기 시스템.
- 전력 변환기 시스템을 사용하여 출력 전압을 공급하는 방법으로서,상기 전력 변환기 시스템은 브릿지, 트랜스포머 및 dc 링크 캐패시터를 포함하되, 각 브릿지는 각 트랜스포머에 연결되고 각 dc 링크 캐패시터는 상기 브릿지 양단에 연결되며,상기 방법은,각각의 정상 위상 시프트를 갖는 상기 각 브릿지를 스위칭함으로써 정상 모드에서 동작하는 단계와,상기 출력 전압을 발생시키도록 상기 복수의 브릿지들 중 적어도 하나는 바이패싱되고, 상기 나머지 브릿지들은 각각이 조정된 위상 시프트를 갖고 스위칭되도록 구성된 장애 모드에서 동작하는 단계를 포함하는출력 전압 공급 방법.
- 제 11 항에 있어서,상기 바이패싱된 브릿지 양단에 연결된 상기 dc 링크 캐패시터를 방전하는 단계를 더 포함하는출력 전압 공급 방법.
- 제 11 항에 있어서,상기 장애 모드에서 동작할 때, 상기 복수의 dc 링크 캐패시터의 dc 전력을 동적으로 밸런싱하는 단계를 더 포함하는출력 전압 공급 방법.
- 제 11 항에 있어서,상기 정상 모드와 상기 장애 모드 중에 출력 전압을 실질적으로 동일하게 유지하는 단계를 더 포함하는출력 전압 공급 방법.
- 출력 전압을 공급하고 정상 모드와 장애 모드에서 동작하도록 적용되는 전력 변환기 시스템으로서,복수의 브릿지와,각각이 상응하는 ac 콘택터를 통해 각 브릿지에 연결되는 복수의 트랜스포머 - 상기 트랜스포머의 2차 권선은 서로 연결됨 - 와,복수의 dc 링크 캐패시터 - 각 dc 링크 캐패시터는 상응하는 브릿지 양단에 연결됨 - 와,상기 정상 모드에서는 각각의 정상 위상 시프트를 갖는 각 브릿지를 스위칭하고, 상기 장애 모드에서는 상기 출력 전압 내의 고조파 성분을 최소화하도록 각 각의 조정된 위상 시프트를 갖는 상기 브릿지 중 적어도 하나를 스위칭하는 컨트롤러를 포함하는전력 변환기 시스템.
- 제 15 항에 있어서,각각이 상응하는 dc 링크 캐패시터 양단에 연결된 복수의 스위칭 회로를 더 포함하되,상기 컨트롤러는 상기 전력 변환기 시스템이 상기 장애 모드 내에서 동작할 때 특정 스위칭 회로가 상응하는 dc 링크 캐패시터를 방전시키도록 구성되는전력 변환기 시스템.
- 제 16 항에 있어서,상기 장애 모드 중에, 상기 컨트롤러는 상기 스위칭 회로가 상기 상응하는 dc 링크 캐패시터를 바이패싱하고 상기 상응하는 트랜스포머를 바이패싱하도록 상기 ac 컨택터를 활성화하도록 구성되는전력 변환기 시스템.
- 제 17 항에 있어서,상기 컨트롤러는 상기 장애 모드 중에 상기 방전되지 않은 dc 링크 상의 dc 전력을 동적으로 밸런싱하도록 구성되는전력 변환기 시스템.
- 제 15 항에 있어서,상기 전력 변환기 시스템의 상기 출력 전압은 상기 정상 모드와 상기 장애 모드 중에 실질적으로 동일한전력 변환기 시스템.
Applications Claiming Priority (2)
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US11/095,227 | 2005-03-30 | ||
US11/095,227 US7359223B2 (en) | 2005-03-30 | 2005-03-30 | Power converter system and method |
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KR20070116280A true KR20070116280A (ko) | 2007-12-07 |
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KR1020077024973A Ceased KR20070116280A (ko) | 2005-03-30 | 2006-03-15 | 전력 변환기 시스템 및 출력 전압 공급 방법 |
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US (1) | US7359223B2 (ko) |
EP (1) | EP1875594A1 (ko) |
KR (1) | KR20070116280A (ko) |
CA (1) | CA2606369C (ko) |
RU (1) | RU2398345C2 (ko) |
WO (1) | WO2006107548A1 (ko) |
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RU2231903C2 (ru) * | 2002-09-24 | 2004-06-27 | Мустафа Георгий Маркович | Высоковольтный преобразователь напряжения |
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WO2006107548A1 (en) | 2006-10-12 |
RU2007139906A (ru) | 2009-05-20 |
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