KR20130100285A - 영상 덤프 저항에 연결된 중성점을 갖는 hvdc 컨버터 - Google Patents
영상 덤프 저항에 연결된 중성점을 갖는 hvdc 컨버터 Download PDFInfo
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- KR20130100285A KR20130100285A KR1020137006400A KR20137006400A KR20130100285A KR 20130100285 A KR20130100285 A KR 20130100285A KR 1020137006400 A KR1020137006400 A KR 1020137006400A KR 20137006400 A KR20137006400 A KR 20137006400A KR 20130100285 A KR20130100285 A KR 20130100285A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/36—Arrangements for transfer of electric power between AC networks via high-voltage DC [HVDC] links; Arrangements for transfer of electric power between generators and networks via HVDC links
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from AC input or output
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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
- 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
- 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
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
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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
- H02M7/493—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 the static converters being arranged for operation in parallel
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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
- H02M7/66—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal
- H02M7/68—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters
- H02M7/72—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with 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
- H02M7/797—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control having reactive elements actively controlled by bridge converters, e.g. active filters or static compensators [STATCOM]
- H02J3/1857—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control having reactive elements actively controlled by bridge converters, e.g. active filters or static compensators [STATCOM] the bridge converters being multilevel bridge converters or modular multilevel 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0095—Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck
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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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/20—Active power filtering [APF]
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Engineering & Computer Science (AREA)
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Abstract
Description
도 3은 본 발명의 일 실시 형태에 따른 전력 전자 컨버터를 나타낸다.
도 4는 체인 링크 컨버터를 이용하여 50Hz의 사인 전압 파형의 합성을 나타낸다.
도 5a 및 도 5b는 각각, 각 컨버터 림의 AC 단자에서 AC 전압 파형의 양(positive) 및 음(negative)의 반주기 생성을 나타낸다.
도 6은 AC 전압 파형의 계단식 근사치(step-wise approximation)를 나타낸다.
도 7은 초과 실효 전력 제거 절차 동안 전력 전자 컨버터 내의 전력 변화를 나타낸다.
도 8은 AC 상전압 및 AC 상전류에 3차 고조파 성분의 도입 중 AC 상전압 및 AC 상전류의 변화를 나타낸다.
Claims (14)
- 고전압 직류 전력 전송 및 무효 전력 보상에 사용하기 위한 전력 전자 컨버터(30)로서,
상기 전력 전자 컨버터(30)는, 각 위상 소자(32)의 제1 단(first end)(38)이 공통 접합점(common junction)(40)에 연결되는 성형 결선(star connection)을 규정하는 3개의 위상 소자(32)를 포함하고,
상기 전력 전자 컨버터(30)는, 사용시 DC 네트워크(56)에 연결하기 위한 제1 및 제2 DC 단자(50, 52)와, 3개의 AC 단자(54)가 구비된 컨버터 유닛(34)을 더 포함하며,
각 AC 단자(54)는 성형 결선(36)의 각 위상 소자(32)의 제2 단(second end)(58)과 직렬로 연결되고,
상기 컨버터 유닛은 사용시 AC 네트워크(44)와 DC 네트워크(56) 간의 전력 변환이 용이하도록 제어가능한 복수의 스위칭 소자(70, 74)를 포함하며,
상기 전력 전자 컨버터는 제1 및 제2 DC 단자(50, 52) 사이에 연결된 제3 DC 단자(78)를 더 포함하고,
상기 제3 DC 단자(78)는 보조 연결(auxiliary connection)(82)을 규정하기 위해 상기 성형 결선(36)의 공통 접합점(40)에 연결되며,
상기 보조 연결은 상기 공통 접합점(40)과 상기 제3 DC 단자(78) 사이에 연결된 적어도 하나의 덤프 저항(84)을 포함하고,
상기 컨버터 유닛(34)의 스위칭 소자(70, 74)는, 트리플린(triplen) 고조파 주파수에서 덤프 저항에 의해 실효 전력(real power)을 소모하기 위해, 사용시 트리플린 고조파 전압 성분을 갖도록 각 AC 단자에서 상전압(phase voltage)을 변경하도록 제어가능한, 전력 전자 컨버터. - 제 1 항에 있어서,
상기 컨버터 유닛의 스위칭 소자는, 사용시 기본 전압 성분 및 트리플린 고조파 전압 성분을 동시에 포함하도록, 각 AC 단자에서 상전압을 변경하도록 제어가능한, 전력 전자 컨버터. - 제 1 항 또는 제 2 항에 있어서,
각 트리플린 고조파 전압 성분은 같은 크기(magnitude)를 갖는, 전력 전자 컨버터. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 제3 DC 단자와, 각각의 제1 및 제2 DC 단자 사이에서 직렬로 연결된 적어도 하나의 DC 링크 커패시터(16)를 더 포함하는, 전력 전자 컨버터. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
각 위상 소자는 변압기 권선(transformer winding)을 포함하는, 전력 전자 컨버터. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 컨버터 유닛은 3개의 컨버터 림(60)을 더 포함하고,
각 컨버터 림은 AC 단자들 중 각 하나를 포함하며,
각 컨버터 림은 제1 및 제2 DC 단자들 중 각 하나와 AC 단자 사이에서 직렬로 각각 연결되는 제1 및 제2 림부(62, 64)를 규정하고,
각 림부는 체인 링크 컨버터(66)를 포함하며,
각 체인 링크 컨버터(66)는 직렬로 연결된 복수의 모듈을 포함하고,
각 모듈은 적어도 하나의 에너지 저장 소자에 연결된 적어도 하나의 1차 스위칭 소자(70)를 포함하며,
각 체인 링크 컨버터의 상기 1차 스위칭 소자(70)는, 사용시 직렬로 연결된 복수의 모듈이 계단식 가변 전압원(stepped variable voltage source)을 규정하도록 동작가능한, 전력 전자 컨버터. - 제 6 항에 있어서,
각 림부는 각 체인 링크 컨버터와 직렬로 연결된 적어도 하나의 2차 스위칭 소자(74)를 더 포함하며,
각 림부의 2차 스위칭 소자(74)는 사용시, 각 체인 링크 컨버터가 회로 안팎으로 스위칭되도록 제어가능한, 전력 전자 컨버터. - 제 6 항 또는 제 7 항에 있어서,
각 체인 링크 컨버터(66)의 각 모듈은, 영전압 또는 양전압을 제공하여 두 방향으로 전류를 흐르게 할 수 있는, 2상한 유니폴라 모듈(2-quadrant unipolar module)을 규정하기 위해 에너지 저장 소자와 병렬로 연결된 한 세트의 직렬 연결된 1차 스위칭 소자를 포함하는, 전력 전자 컨버터. - 제 6 항 또는 제 7 항에 있어서,
각 체인 링크 컨버터(66)의 각 모듈은, 음전압, 영전압 또는 양전압을 제공하여 두 방향으로 전류를 흐르게 할 수 있는, 4상한 유니폴라 모듈(4-quadrant unipolar module)을 규정하기 위해 에너지 저장 소자와 병렬로 연결된 2 세트의 직렬 연결된 1차 스위칭 소자를 포함하는, 전력 전자 컨버터. - 제 6 항 내지 제 9 항 중 어느 한 항에 있어서,
각 모듈의 에너지 저장 소자는, 커패시터, 연료전지, 광전지(photovoltaic cell), 배터리 또는 연관된 정류기를 갖는 보조 AC 발전기인, 전력 전자 컨버터. - 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
각 스위칭 소자는 적어도 하나의 반도체 소자(semiconductor device)를 포함하는, 전력 전자 컨버터. - 제 11 항에 있어서,
상기 적어도 하나의 반도체 소자는, 절연 게이트 바이폴라 트랜지스터(insulated gate bipolar transistor), 게이트 턴오프 사이리스터(gate turn-off thyristor), 전계 효과 트랜지스터(field effect transistor), 절연 게이트 정류 사이리스터(insulated gate commutated thyristor), IEGT(injection enhanced gate transistor) 또는 통합 게이트 정류 사이리스터(integrated gate commutated thyristor)인, 전력 전자 컨버터. - 제 11 항 또는 제 12 항에 있어서,
각 스위칭 소자는 각각의 반도체 소자와 병렬로 연결된 역병렬 다이오드(anti-parallel diode)를 더 포함하는, 전력 전자 컨버터. - 제 1 항 내지 제 13 항 중 어느 한 항에 있어서,
3개의 1차 권선(primary winding)을 더 포함하되,
상기 성형 결선의 각 위상 소자는 1차 권선들의 각 하나와 서로 연결되고,
각 1차 권선의 제1 단은 다른 1차 권선의 제2 단에 연결되어, 1차 권선들의 상호 접속이 폐루프를 규정하며, 사용시 3상 AC 네트워크의 각 위상에 접속하기 위해 2개의 1차 권선들 간에 각 접합점(junction)이 존재하는, 전력 전자 컨버터.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2010/062316 WO2012025142A1 (en) | 2010-08-24 | 2010-08-24 | Hvdc converter with neutral-point connected zero-sequence dump resistor |
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| Publication Number | Publication Date |
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| KR20130100285A true KR20130100285A (ko) | 2013-09-10 |
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| Country | Link |
|---|---|
| US (1) | US8854843B2 (ko) |
| EP (1) | EP2609678A1 (ko) |
| KR (1) | KR20130100285A (ko) |
| CN (1) | CN103190070B (ko) |
| CA (1) | CA2808884A1 (ko) |
| WO (1) | WO2012025142A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025014145A1 (ko) * | 2023-07-07 | 2025-01-16 | 효성중공업 주식회사 | Hvdc 시스템 |
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| WO2010116806A1 (ja) * | 2009-03-30 | 2010-10-14 | 株式会社日立製作所 | 電力変換装置 |
| KR101594013B1 (ko) | 2009-06-15 | 2016-02-26 | 제네럴 일렉트릭 테크놀러지 게엠베하 | 컨버터 |
| WO2011012171A1 (en) | 2009-07-31 | 2011-02-03 | Areva T&D Uk Limited | Configurable hybrid converter circuit |
| US8861231B2 (en) | 2010-02-09 | 2014-10-14 | Alstom Technology Ltd | Converter |
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- 2010-08-24 US US13/818,654 patent/US8854843B2/en not_active Expired - Fee Related
- 2010-08-24 WO PCT/EP2010/062316 patent/WO2012025142A1/en not_active Ceased
- 2010-08-24 EP EP10745637.8A patent/EP2609678A1/en not_active Withdrawn
- 2010-08-24 CN CN201080068732.4A patent/CN103190070B/zh not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025014145A1 (ko) * | 2023-07-07 | 2025-01-16 | 효성중공업 주식회사 | Hvdc 시스템 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012025142A1 (en) | 2012-03-01 |
| EP2609678A1 (en) | 2013-07-03 |
| US20140146583A1 (en) | 2014-05-29 |
| CN103190070B (zh) | 2015-08-19 |
| CA2808884A1 (en) | 2012-03-01 |
| US8854843B2 (en) | 2014-10-07 |
| CN103190070A (zh) | 2013-07-03 |
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