KR101630511B1 - 컨버터 제어 장치 및 그 동작 방법 - Google Patents
컨버터 제어 장치 및 그 동작 방법 Download PDFInfo
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- KR101630511B1 KR101630511B1 KR1020140058033A KR20140058033A KR101630511B1 KR 101630511 B1 KR101630511 B1 KR 101630511B1 KR 1020140058033 A KR1020140058033 A KR 1020140058033A KR 20140058033 A KR20140058033 A KR 20140058033A KR 101630511 B1 KR101630511 B1 KR 101630511B1
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- 238000010248 power generation Methods 0.000 abstract description 7
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/028—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power
- F03D7/0284—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling wind motor output power in relation to the state of the electric grid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
- F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—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 a high-tension DC link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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]
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inverter Devices (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
도 2는 컨버터에 연계된 풍력 발전 단지를 나타낸다.
도 3은 일반적인 유도전동기의 일정(Constant) V/f 제어 특성 곡선이다.
도 4는 본 발명의 일실시예에 따른 컨버터 제어 장치의 구성을 나타내는 구성 블록도이다.
도 5는 본 발명의 일실시예에 따른 컨버터 제어 장치가 포함된 멀티터미널 직류전송장치를 나타낸다.
도 6은 본 발명의 일실시예에 따른 컨버터의 구성을 나타내는 구성 블록도이다.
도 7은 본 발명의 일실시예에 따른 제어부의 구성을 나타내는 구성 블록도이다.
도 8은 본 발명의 일실시예에 따른 컨버터의 동작 방법을 나타내는 흐름도이다.
도 9 및 도 10은 본 발명의 일실시예에 따른 컨버터의 동작을 나타내는 개념도이다.
도 11는 본 발명의 실시예에 따른 컨버터 제어 장치의 동작 방법을 나타내는 흐름도이다.
도 12는 본 발명의 실시예에 따른 컨버터 제어 장치의 동작을 나타내는 개념도이다.
Claims (5)
- 복수의 컨버터를 제어하는 컨버터 제어 장치에 있어서,
상기 복수의 컨버터가 연결된 전체 계통의 직류 전압을 감지하는 모니터링부;
상기 감지된 전체 계통의 직류 전압을 기초로 상기 복수의 컨버터 각각의 교류 전력과 직류 전력 간의 변환 동작을 제어하는 컨버터 동작 신호를 생성하는 제어부; 및
상기 생성된 컨버터 동작 신호를 상기 복수의 컨버터 각각에 전송하는 통신부를 포함하고,
상기 제어부는
상기 모니터링부에서 감지된 전체 계통의 직류 전압이 기 설정된 범위 내에 포함되면, 상기 복수의 컨버터 중 하나 이상과 연결된 풍력 발전 단지 사이의 교류 계통의 교류 전류의 크기가 기준값 이상인지 판단하고, 판단결과 상기 기준값 이상이면 상기 복수의 컨버터 각각의 출력 교류 전압의 크기가 기 설정된 비율로 증가하도록 제어하는
컨버터 제어 장치. - 제1항에 있어서,
상기 제어부는
상기 교류 전류의 변화량이 기 설정된 기준값 이상인지 판단하여 상기 복수의 컨버터 각각의 출력 교류 전압의 크기가 기 설정된 비율로 증가하도록 제어하는
컨버터 제어 장치. - 제1항에 있어서,
상기 제어부는
상기 컨버터 동작 신호를 수신한 상기 복수의 컨버터 각각이 기 설정된 시간 간격으로 각각 순차적으로 동작하도록 제어하는
컨버터 제어 장치. - 제1항에 있어서,
상기 컨버터 동작 신호는
상기 복수의 컨버터 각각에 대응하는 출력 교류 전압의 주파수, 상기 출력 교류 전압의 크기 중 하나 이상에 대한 설정값을 포함하는
컨버터 제어 장치. - 제1항에 있어서,
상기 통신부는
상기 복수의 컨버터 각각으로부터 상기 교류 계통의 교류 전류의 크기에 대한 신호를 수신하여 상기 제어부에 전달하고,
상기 제어부는
상기 전달된 교류 전류의 크기에 대한 신호를 기초로 상기 컨버터 동작 신호를 생성하는
컨버터 제어 장치.
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WO2017171182A1 (ko) | 2016-03-30 | 2017-10-05 | 두산중공업 주식회사 | 풍력 발전 시스템의 컨버터 구동 장치 및 컨버터 제어 장치, 풍력 발전 시스템의 스위칭 소자 모듈 구동 장치 및 스위칭 소자 모듈 제어 장치 |
KR102485425B1 (ko) | 2016-05-02 | 2023-01-04 | 엘에스일렉트릭(주) | 파워 디바이스 제어 시스템 |
KR101997089B1 (ko) * | 2017-12-14 | 2019-07-05 | 제주대학교 산학협력단 | 풍력발전 시스템 및 그 운용 방법 |
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CN203670098U (zh) * | 2011-02-16 | 2014-06-25 | 株式会社安川电机 | 风力发电用电力转换装置、风力发电装置以及风场 |
DK2528184T3 (da) * | 2011-05-25 | 2014-10-20 | Siemens Ag | Fremgangsmåde og indretning til styring af en jævnstrømstransmissionsforbindelse |
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Non-Patent Citations (2)
Title |
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논문 1(Cuiqing 외. "Analysis of the Control Algorithms of Voltage-Source Converter HVDC". IEEE. 2005.06.)* |
논문 2(Zhu 외. "Future Multi-Terminal HVDC Transmission Systems using Voltage Source Converters". IEEE UPEC 2010. 2010.09.)* |
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