KR101471612B1 - 광학렌즈 기반 태양위치 추적정밀도 측정시스템 - Google Patents
광학렌즈 기반 태양위치 추적정밀도 측정시스템 Download PDFInfo
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- KR101471612B1 KR101471612B1 KR1020130076502A KR20130076502A KR101471612B1 KR 101471612 B1 KR101471612 B1 KR 101471612B1 KR 1020130076502 A KR1020130076502 A KR 1020130076502A KR 20130076502 A KR20130076502 A KR 20130076502A KR 101471612 B1 KR101471612 B1 KR 101471612B1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
- G01S3/782—Systems for determining direction or deviation from predetermined direction
- G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
- G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
- G01S3/7861—Solar tracking systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/20—Arrangements for controlling solar heat collectors for tracking
- F24S2050/25—Calibration means; Methods for initial positioning of solar concentrators or solar receivers
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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
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- Sustainable Development (AREA)
- Electromagnetism (AREA)
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
도 2는 일반적인 센서를 이용한 태양위치 추적기 제어블록다이어그램이다.
도 3은 표준화된 IEC/TS 62727에서 제시한 태양위치 추적기 정밀도 측정 개념도이다.
도 4는 거리가 1,000mm 인 경우에서의 오차각 검출사례이다.
도 5는 본 발명의 일실시예에 따른 광학렌즈 기반 태양위치 추적정밀도 측정시스템의 전체 구성도이다.
도 6은 볼록렌즈의 초점과 빛의 경로를 나타낸 예시도이다.
도 7은 시뮬레이션 결과도이며, 도 8은 본 발명의 일실시예에 따른 광학렌즈 기반 태양위치 추적정밀도 측정시스템을 나타낸 예시도이다.
도 9는 태양위치 추적정밀도 측정에 따른 평가 분석방법의 접근방법을 나타낸 예시도이다.
도 10은 본 발명의 일실시예에 따른 광학렌즈 기반 태양위치 추적정밀도 측정시스템의 포컬에어리어 타겟면에 광감응소자를 적용한 예시도이다.
도 11은 본 발명의 일실시예에 따른 광학렌즈 기반 태양위치 추적정밀도 측정시스템의 태양위치측정수단 블록도이다.
추적방식분류 | 신호발생방법 | 장점 | 단점 |
자연형 방식 | 전자회로/구동모터없이 추적 | 구조 간단, 적은 유지보수 비용 | -정확한 추적불가능-정확한 추적불가능 |
천문계산에 의한 방법 | 천문학적으로 태양위치계산 및 태양전지 모듈구동 | -정확한 추적가능 -청명도가 낮아도 추적가능 |
-최초설치시 방위설정필요 -고급프로세서 |
광센서방식에 의한 위치 추적 | 태양위치검출 센서사용 및 센서신호에 따라 모터구동 | -구조가 간단 -직관적 알고리즘 |
-산란 태양광에 의한 오동작 우려 |
천문계산/센서복합 방식 |
프로그램방식과 센서방식의 복합 방식 | -계산및센서방식의단점보완 -높은 정밀도 |
-구조복잡 -높은가격 |
110 : 접안렌즈
120 : 제1볼록렌즈
130 : 제2볼록렌즈
140 : 제3렌즈
150 : 제4볼록렌즈
200 : 태양위치측정수단
Claims (6)
- 태양위치 추적정밀도 측정시스템에 있어서,
입사되는 태양빛을 굴절시키는 접안렌즈(110)와,
상기 접안렌즈의 후측에 형성되는 제1볼록렌즈(120)와,
제1볼록렌즈의 후측에 형성되는 제2볼록렌즈(130)와,
상기 제2볼록렌즈의 후측에 형성되는 제3렌즈(140)와,
상기 제3렌즈의 후측에 형성되는 제4볼록렌즈(150)를 포함하여 구성되는 광학렌즈수단(100)과;
광감응소자를 이용하여 메트릭스 구조의 타켓면을 형성하고 있는 센싱부(210)와,
임의의 포인트에 포컬에어리어가 형성되면 전기적인 신호가 변화되는 셀의 좌표를 검출하기 위한 좌표정보검출부(220)와,
생성된 좌표 정보를 디스플레이부로 송출하는 좌표정보송출부(230)와,
상기 좌표정보송출부에서 송출된 좌표 정보를 디스플레이시키는 디스플레이부(240)와,
태양위치 추적기의 오차율을 산출하기 위한 오차율산출부(250)를 포함하여 구성되는 태양위치측정수단(200);을 포함하여 구성되는 것을 특징으로 하며,
상기 광학렌즈수단(100)을 통해 입사각보다 출사각이 크게 나타나는 것을 특징으로 하며,
상기 광감응소자는 실리콘, 화합물반도체, CIGS와 같은 태양전지 셀, CdS, 포토다이오드, 포토트랜지스터와 같은 포토센서 중 어느 하나로 적용되는 것을 특징으로 하며,
상기 제1볼록렌즈(120)와, 제2볼록렌즈(130) 및 제4볼록렌즈(150)는,
수차를 줄이기 위하여 초저분산유리(apochromatic lens)를 사용하는 것을 특징으로 하며,
상기 태양위치측정수단(200)은,
렌즈의 비축광선을 이용한 cos 포인팅 오차각을 크게 하여 입사각의 오차분을 찾아 검출하는 것으로서, 빛의 분산에 의한 부정확성을 제거하고 cos 오차각을 확대하여 태양위치 추적장치의 오차를 측정하는 것을 특징으로 하는 광학렌즈 기반 태양위치 추적정밀도 측정시스템.
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Priority Applications (3)
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KR1020130076502A KR101471612B1 (ko) | 2013-07-01 | 2013-07-01 | 광학렌즈 기반 태양위치 추적정밀도 측정시스템 |
PCT/KR2013/010381 WO2015002351A1 (ko) | 2013-07-01 | 2013-11-15 | 광학렌즈 기반 태양위치 추적정밀도 측정시스템 |
US14/900,756 US10006982B2 (en) | 2013-07-01 | 2013-11-15 | Solar position tracking accuracy measurement system based on optical lens |
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KR1020130076502A KR101471612B1 (ko) | 2013-07-01 | 2013-07-01 | 광학렌즈 기반 태양위치 추적정밀도 측정시스템 |
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US (1) | US10006982B2 (ko) |
KR (1) | KR101471612B1 (ko) |
WO (1) | WO2015002351A1 (ko) |
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