KR20040058151A - 최대전력추적 태양광 발전시스템 - Google Patents
최대전력추적 태양광 발전시스템 Download PDFInfo
- Publication number
- KR20040058151A KR20040058151A KR1020040043104A KR20040043104A KR20040058151A KR 20040058151 A KR20040058151 A KR 20040058151A KR 1020040043104 A KR1020040043104 A KR 1020040043104A KR 20040043104 A KR20040043104 A KR 20040043104A KR 20040058151 A KR20040058151 A KR 20040058151A
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- South Korea
- Prior art keywords
- power
- instantaneous
- voltage
- tracking
- current
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- 238000010248 power generation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000008707 rearrangement Effects 0.000 description 3
- 238000003491 array Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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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- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
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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 (4)
- 태양전지 어레이가 있는 발전장치, 발전된 전기를 충전하는 컨버터장치, 충전된 전기를 보관하는 배터리가 있는 저장장치와, 그리고 상기 발전장치, 컨버터장치, 저장장치를 제어하는 제어장치를 포함하여 구성되는 태양광 발전시스템에 있어서,상기 컨버터장치는,상기 제어장치에 의해 생성된 PWM신호를 전달받아 충전전압을 조절시키는 PWM단계와;상기 제어장치에 의해 상기 태양전지와 배터리로부터 전류와 전압을 검출하여, 검출 순간의 전력값과 그 전의 전력값의 차이를 비교하여 최대출력점에 해당되는지 판단하여 충전전류를 조절시키는 최대전력추적단계;를 포함하여 작동되는 것을 특징으로 하는 최대전력추적 태양광 발전시스템.
- 제 1항에 있어서, 상기 최대전력추적단계는,태양전지 어레이의 순간파라미터(순간전압V(n), 순간전류I(n))를 검출하는 검출단계와;상기 검출부에서 측정된 순간파라미터(순간전압V(n), 순간전류I(n))와 측정값 직전의 순간파라미터(순간전압V(n-1), 순간전류I(n-1))와의 차이(ΔV, ΔI)를 계산하는 연산단계와;상기 측정된 순간파라미터(V(n), I(n))와 측정값 직전의 순간파라미터(V(n-1), I(n-1))의 값에 의한 전력차이(ΔP=P(n)-P(n-1), P(n)=V(n)ㆍI(n), P(n-1)=V(n-1)ㆍI(n-1))가 영(zero)이 되는 전압과 전류를 추적하는 추적단계;로 구성됨을 특징으로 하는 최대전력추적 태양광 발전시스템.
- 제 1항에 있어서, 상기 최대전력추적단계는,상기 전력차이(ΔP=P(n)-P(n-1))가 영(zero)이 되는 순간의 전력값을 업데이트하여 저장하고, 다음 제어루프가 수행되도록 형성되는 단계를 더 포함하여 구성되는 것을 특징으로 하는 최대전력추적 태양광 발전시스템.
- 제 1항에 있어서, 상기 최대전력추적단계는,상기 전력차이(ΔP=P(n)-P(n-1))가 영(zero)이 아니면, 영이 되도록 상기 컨버터장치의 스위치의 튜티비가 조절되도록 형성되는 단계를 더 포함하여 구성되는 것을 특징으로 하는 최대전력추적 태양광 발전시스템.
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KR1020040043104A KR100542156B1 (ko) | 2004-06-11 | 2004-06-11 | 최대전력추적 태양광 발전시스템 |
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KR1020040043104A KR100542156B1 (ko) | 2004-06-11 | 2004-06-11 | 최대전력추적 태양광 발전시스템 |
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KR20040058151A true KR20040058151A (ko) | 2004-07-03 |
KR100542156B1 KR100542156B1 (ko) | 2006-01-12 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100732616B1 (ko) * | 2006-04-12 | 2007-06-27 | 한영준 | 태양전지판 출력전압 미분 특성을 이용한 태양광 추적장치및 그 제어방법 |
KR100755954B1 (ko) * | 2005-12-29 | 2007-09-06 | 학교법인 정석학원 | 디지털 최대 전력 추적기를 구비한 태양 전지 시스템 및 그제어 방법 |
KR100763135B1 (ko) * | 2006-01-27 | 2007-10-02 | 엘에스산전 주식회사 | 태양광 발전 시스템 및 그 제어방법 |
WO2007129808A1 (en) * | 2006-05-09 | 2007-11-15 | Chang Won National University Business Administration | The control apparatus and method of senseless mppt control for photovoltaic power generation system |
WO2008013353A1 (en) * | 2006-07-26 | 2008-01-31 | Chang Won National University Business Administration | An controlling apparatus of a power converter of single-phase current for photovoltaic generation system |
KR100887620B1 (ko) * | 2007-11-06 | 2009-03-11 | 이현호 | 광전효과를 이용하는 소형 충전장치 |
KR101256433B1 (ko) * | 2012-12-06 | 2013-04-23 | 주식회사 광명전기 | Pv 전류를 이용한 최대 전력점 추적 방식의 태양광 발전 시스템 |
US8461798B2 (en) | 2009-12-11 | 2013-06-11 | Electronics And Telecommunications Research Institute | Apparatus and method for extracting maximum power from solar cell by changing the duty cycle of a pulse width modulation signal |
KR101663991B1 (ko) * | 2015-08-12 | 2016-10-11 | 주식회사 경일그린텍 | 하이브리드 충전장치 |
CN106208912A (zh) * | 2016-08-12 | 2016-12-07 | 北京航天光华电子技术有限公司 | 一种风光互补控制系统及方法 |
CN107017701A (zh) * | 2017-06-12 | 2017-08-04 | 中山市中泰能科技有限公司 | 一种太阳能不间断电源管理系统 |
CN113110666A (zh) * | 2021-03-05 | 2021-07-13 | 上海空间电源研究所 | 一种基于空间热离子发电装置的电源系统及控制方法 |
-
2004
- 2004-06-11 KR KR1020040043104A patent/KR100542156B1/ko active IP Right Grant
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100755954B1 (ko) * | 2005-12-29 | 2007-09-06 | 학교법인 정석학원 | 디지털 최대 전력 추적기를 구비한 태양 전지 시스템 및 그제어 방법 |
KR100763135B1 (ko) * | 2006-01-27 | 2007-10-02 | 엘에스산전 주식회사 | 태양광 발전 시스템 및 그 제어방법 |
KR100732616B1 (ko) * | 2006-04-12 | 2007-06-27 | 한영준 | 태양전지판 출력전압 미분 특성을 이용한 태양광 추적장치및 그 제어방법 |
WO2007129808A1 (en) * | 2006-05-09 | 2007-11-15 | Chang Won National University Business Administration | The control apparatus and method of senseless mppt control for photovoltaic power generation system |
US7834485B2 (en) | 2006-07-26 | 2010-11-16 | Chang Won National University Business Administration | Controlling apparatus of a power converter of single-phase current for photovoltaic generation system |
WO2008013353A1 (en) * | 2006-07-26 | 2008-01-31 | Chang Won National University Business Administration | An controlling apparatus of a power converter of single-phase current for photovoltaic generation system |
KR100887620B1 (ko) * | 2007-11-06 | 2009-03-11 | 이현호 | 광전효과를 이용하는 소형 충전장치 |
US8461798B2 (en) | 2009-12-11 | 2013-06-11 | Electronics And Telecommunications Research Institute | Apparatus and method for extracting maximum power from solar cell by changing the duty cycle of a pulse width modulation signal |
KR101311528B1 (ko) * | 2009-12-11 | 2013-09-25 | 한국전자통신연구원 | 태양전지의 최대전력 추출 장치 및 방법 |
KR101256433B1 (ko) * | 2012-12-06 | 2013-04-23 | 주식회사 광명전기 | Pv 전류를 이용한 최대 전력점 추적 방식의 태양광 발전 시스템 |
KR101663991B1 (ko) * | 2015-08-12 | 2016-10-11 | 주식회사 경일그린텍 | 하이브리드 충전장치 |
CN106208912A (zh) * | 2016-08-12 | 2016-12-07 | 北京航天光华电子技术有限公司 | 一种风光互补控制系统及方法 |
CN107017701A (zh) * | 2017-06-12 | 2017-08-04 | 中山市中泰能科技有限公司 | 一种太阳能不间断电源管理系统 |
CN113110666A (zh) * | 2021-03-05 | 2021-07-13 | 上海空间电源研究所 | 一种基于空间热离子发电装置的电源系统及控制方法 |
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