KR20070078092A - 근사기법을 이용한 태양광 발전의 mppt 제어시스템 - Google Patents
근사기법을 이용한 태양광 발전의 mppt 제어시스템 Download PDFInfo
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- KR20070078092A KR20070078092A KR1020070066083A KR20070066083A KR20070078092A KR 20070078092 A KR20070078092 A KR 20070078092A KR 1020070066083 A KR1020070066083 A KR 1020070066083A KR 20070066083 A KR20070066083 A KR 20070066083A KR 20070078092 A KR20070078092 A KR 20070078092A
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
Description
Claims (2)
- 태양광 발전의 MPPT 제어시스템에 있어서, 태양광으로부터 DC전압()을 출력하는 PV 어레이, 근사기법을 이용하여 지령 DC 전압()을 출력하는 MPPT 제어, MPPT 제어와 PV 어레이의 출력을 비교하여 그 오차(-)를 입력받아 DC 전류(ir)를 출력하는 PI 제어기, 상전압(Va,Vb,Vc)를 입력받아 위상을 출력하는 PLL, DC 전류(ir)와 위상의 곱을 입력받아 지령 상전류()를 출력하는 필터, 상전류()와 지령 상전류()를 비교하여 그 변화분()을 입력받아 PI 제어기와 PWM 제어기를 통해 계통에 전력을 공급하는 인버터를 포함하는 구성을 특징으로 하는 태양광 발전의 MPPT 제어시스템
- 제 1항에 있어서, MPPT 제어를 수학식 3에 의해 계산된 I-V 곡선을 한번 미분하여 계산되는 직선과 I-V 곡선의 초기치와 최종치로부터 결정되는 수학식 4의 선형 전류 방정식을 비교하여 수학식 5의 조건을 만족할 때 최대 출력점이 되는 근사기법을 이용하는 것을 특징으로 하는 태양광 발전의 MPPT 제어시스템
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KR1020070066083A KR100892220B1 (ko) | 2007-07-02 | 2007-07-02 | 근사기법을 이용한 태양광 발전의 mppt 제어시스템 |
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KR1020070066083A KR100892220B1 (ko) | 2007-07-02 | 2007-07-02 | 근사기법을 이용한 태양광 발전의 mppt 제어시스템 |
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KR20070078092A true KR20070078092A (ko) | 2007-07-30 |
KR100892220B1 KR100892220B1 (ko) | 2009-04-07 |
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Cited By (8)
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US7940032B2 (en) | 2008-06-24 | 2011-05-10 | Samsung Electro-Mechanics Co., Ltd. | Power supply having maximum power point tracking function |
US8305058B2 (en) | 2008-06-23 | 2012-11-06 | Samsung Electro-Mechanics Co., Ltd. | Power supply having an improved maximum power point tracking function |
CN102832840A (zh) * | 2012-08-16 | 2012-12-19 | 卧龙电气集团股份有限公司 | 光伏并网逆变器复合控制方法 |
KR20130070131A (ko) * | 2011-12-19 | 2013-06-27 | 엘에스산전 주식회사 | 최대 출력점 추종 방법 |
CN103631309A (zh) * | 2013-11-15 | 2014-03-12 | 江苏兆伏新能源有限公司 | 单级式光伏逆变器的mppt控制方法 |
CN104935043A (zh) * | 2015-06-17 | 2015-09-23 | 广东美的制冷设备有限公司 | 光伏供电装置、光伏空调系统和汽车 |
CN107482749A (zh) * | 2017-08-07 | 2017-12-15 | 清华大学 | 太阳能能源系统 |
CN108111601A (zh) * | 2017-12-20 | 2018-06-01 | 湖南红太阳新能源科技有限公司 | 一种光伏电站数据采集方法及系统 |
Families Citing this family (4)
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KR101175888B1 (ko) | 2009-10-26 | 2012-08-21 | 동아전기부품 주식회사 | 차량용 태양광 발전 시스템 및 차량용 태양광 발전시스템의 최대전력점 추종제어방법 |
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US4832957A (en) * | 1987-12-11 | 1989-05-23 | Merck & Co., Inc. | Controlled release combination of carbidopa/levodopa |
JP3352334B2 (ja) * | 1996-08-30 | 2002-12-03 | キヤノン株式会社 | 太陽電池の電力制御装置 |
KR20070043746A (ko) * | 2007-04-02 | 2007-04-25 | 송종환 | 태양광 발전시스템의 최대전력점 추적 제어방법 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8305058B2 (en) | 2008-06-23 | 2012-11-06 | Samsung Electro-Mechanics Co., Ltd. | Power supply having an improved maximum power point tracking function |
US7940032B2 (en) | 2008-06-24 | 2011-05-10 | Samsung Electro-Mechanics Co., Ltd. | Power supply having maximum power point tracking function |
KR20130070131A (ko) * | 2011-12-19 | 2013-06-27 | 엘에스산전 주식회사 | 최대 출력점 추종 방법 |
CN102832840A (zh) * | 2012-08-16 | 2012-12-19 | 卧龙电气集团股份有限公司 | 光伏并网逆变器复合控制方法 |
CN103631309A (zh) * | 2013-11-15 | 2014-03-12 | 江苏兆伏新能源有限公司 | 单级式光伏逆变器的mppt控制方法 |
CN104935043A (zh) * | 2015-06-17 | 2015-09-23 | 广东美的制冷设备有限公司 | 光伏供电装置、光伏空调系统和汽车 |
CN104935043B (zh) * | 2015-06-17 | 2017-12-29 | 广东美的制冷设备有限公司 | 光伏供电装置、光伏空调系统和汽车 |
CN107482749A (zh) * | 2017-08-07 | 2017-12-15 | 清华大学 | 太阳能能源系统 |
CN108111601A (zh) * | 2017-12-20 | 2018-06-01 | 湖南红太阳新能源科技有限公司 | 一种光伏电站数据采集方法及系统 |
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