KR100892220B1 - 근사기법을 이용한 태양광 발전의 mppt 제어시스템 - Google Patents
근사기법을 이용한 태양광 발전의 mppt 제어시스템 Download PDFInfo
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- KR100892220B1 KR100892220B1 KR1020070066083A KR20070066083A KR100892220B1 KR 100892220 B1 KR100892220 B1 KR 100892220B1 KR 1020070066083 A KR1020070066083 A KR 1020070066083A KR 20070066083 A KR20070066083 A KR 20070066083A KR 100892220 B1 KR100892220 B1 KR 100892220B1
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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 포함하며, 상기 MPPT 제어를 하기 수학식 1에 의해 계산된 I-V 곡선을 전압에 대한 변화율을 계산하기위해 전압으로 미분한 하기 수학식 3과 I-V 곡선의 초기치와 최종치로부터 결정되는 선형 전류 방정식을 전압으로 미분한 하기 수학식 4를 비교하여 하기 수학식 5의 조건을 만족할 때 최대 출력점이 되는 근사기법을 이용하는 것을 특징으로 하는 태양광 발전의 MPPT 제어시스템[수학식] 1[수학식] 3[수학식] 4[수학식] 5
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KR1020070066083A KR100892220B1 (ko) | 2007-07-02 | 2007-07-02 | 근사기법을 이용한 태양광 발전의 mppt 제어시스템 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101950985A (zh) * | 2010-11-01 | 2011-01-19 | 上海兆能电力电子技术有限公司 | 单相并网光伏逆变器输出谐波及直流分量的抑制方法 |
KR101175888B1 (ko) | 2009-10-26 | 2012-08-21 | 동아전기부품 주식회사 | 차량용 태양광 발전 시스템 및 차량용 태양광 발전시스템의 최대전력점 추종제어방법 |
CN103414210A (zh) * | 2013-07-31 | 2013-11-27 | 广西大学 | 一种基于sopc的光伏并网装置 |
CN109088472A (zh) * | 2018-08-22 | 2018-12-25 | 江苏优为视界科技有限公司 | 一种基于mppt光伏半导体激光器发光系统 |
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KR100983035B1 (ko) | 2008-06-23 | 2010-09-17 | 삼성전기주식회사 | 최대 전력 추종 기능을 갖는 전원 장치 |
KR100997990B1 (ko) | 2008-06-24 | 2010-12-03 | 삼성전기주식회사 | 최대 전력 추종 기능을 갖는 전원 장치 |
KR101629040B1 (ko) * | 2011-12-19 | 2016-06-10 | 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 |
CN103631309B (zh) * | 2013-11-15 | 2015-11-04 | 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 |
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CN107482749B (zh) * | 2017-08-07 | 2020-07-03 | 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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- 2007-07-02 KR KR1020070066083A patent/KR100892220B1/ko active IP Right Grant
Patent Citations (3)
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JPH02209A (ja) * | 1987-12-11 | 1990-01-05 | Merck & Co Inc | カルビドパ/レボドパの制御放出配合剤 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101175888B1 (ko) | 2009-10-26 | 2012-08-21 | 동아전기부품 주식회사 | 차량용 태양광 발전 시스템 및 차량용 태양광 발전시스템의 최대전력점 추종제어방법 |
CN101950985A (zh) * | 2010-11-01 | 2011-01-19 | 上海兆能电力电子技术有限公司 | 单相并网光伏逆变器输出谐波及直流分量的抑制方法 |
CN103414210A (zh) * | 2013-07-31 | 2013-11-27 | 广西大学 | 一种基于sopc的光伏并网装置 |
CN103414210B (zh) * | 2013-07-31 | 2016-12-28 | 广西大学 | 一种基于sopc的光伏并网装置 |
CN109088472A (zh) * | 2018-08-22 | 2018-12-25 | 江苏优为视界科技有限公司 | 一种基于mppt光伏半导体激光器发光系统 |
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