DE202004001246U1 - Solar radiation monitor for power installation planning and evaluation has solar cell sensor with self powered supply and radio data transmission - Google Patents
Solar radiation monitor for power installation planning and evaluation has solar cell sensor with self powered supply and radio data transmission Download PDFInfo
- Publication number
- DE202004001246U1 DE202004001246U1 DE202004001246U DE202004001246U DE202004001246U1 DE 202004001246 U1 DE202004001246 U1 DE 202004001246U1 DE 202004001246 U DE202004001246 U DE 202004001246U DE 202004001246 U DE202004001246 U DE 202004001246U DE 202004001246 U1 DE202004001246 U1 DE 202004001246U1
- Authority
- DE
- Germany
- Prior art keywords
- sensor element
- radiation sensor
- combination
- solar
- solar cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4266—Photometry, e.g. photographic exposure meter using electric radiation detectors for measuring solar light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung der im Oberbegriff des Anspruchs 1 angegebnen Gattung.The invention relates to a device the genus specified in the preamble of claim 1.
Bekannte Vorrichtungen dieser Art werden dazu verwendet, die solare Bestrahlungsstärke Gi (global irradiation) an ausgesuchten Messorten oder in Messprogrammen für Photovoltaik (PV) -Anlagen zu bestimmen, um daraus Schlussfolgerungen auf das solare Strahlungsangebot unter zeitlichen und geographischen Kriterien zu ziehen und/oder mit der aktuellen elektrischen Leistung einer bereits installierten PV -Anlage vergleichen zu können.Known devices of this type are used to determine the solar irradiance G i (global irradiation) at selected measurement sites or in measurement programs for photovoltaic (PV) systems, in order to draw conclusions from this on the solar radiation offer based on temporal and geographic criteria and / or to be able to compare with the current electrical output of an already installed PV system.
Damit die mit dem neuen erfindungsgemäßen Vorrichtung erhaltenen Ergebnisse mit anderen, bereits bekannt gemachten Strahlungssensoren vergleichbar sind, werden diese unter Standard Test Bedingungen (Standard Test Conditions – STC) entsprechend kalibriert.So that with the new device according to the invention results obtained with other radiation sensors that have already been made known are comparable, they are under standard test conditions (Standard Test Conditions - STC) calibrated accordingly.
Insbesondere bekannte Strahlungssensoren auf PV-Zellenbasis (Gebrauchsmuster Nr. 299 09 648) benötigen zur exakten Kalibrierung gleichzeitig die Erfassung der PV-Zellen Temperatur, um die Temperaturabhängigkeit des Messwertes unter STC berücksichtigen zu können. Verschiedene auf dem Markt angebotene Strahlungssensoren bieten entsprechende zusätzliche Kalibrierkurven (Nomogramme) an oder berücksichtigen diese Temperaturabweichungen durch zusätzliche Korrekturnetzwerke für eine Temperaturkompensation.In particular, known radiation sensors PV cell base (utility model No. 299 09 648) need for exact calibration at the same time the detection of the PV cell temperature, about the temperature dependence of the measured value under STC to be able to. Offer various radiation sensors available on the market corresponding additional Calibration curves (nomograms) or take these temperature deviations into account by additional Correction networks for one Temperature compensation.
Trotz des ständig wachsenden PV-Marktes stehen bis heute keine Strahlungssensoren zur Verfügung, die die Bestrahlungsstärke Gi im direkten Vergleich mit der Leistung eines PV-Moduls bzw. eines PV-Generators im Punkt maximaler Leistung (maximum power point – MPP) ohne gleichzeitige Temperaturerfassung messen können und zusätzlich die benötigte Betriebsenergie selbst generieren.Despite the constantly growing PV market, there are still no radiation sensors available that measure the irradiance G i in direct comparison with the power of a PV module or a PV generator in terms of maximum power (maximum power point - MPP) without simultaneous temperature detection can measure and also generate the required operating energy yourself.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Schaltungsanordnung zur optimierten Leistungsregelung und zur Bereitstellung der Betriebsenergie für einen Strahlungssensor so auszubilden, dass die Bestrahlungsstärke G; in direktem Vergleich mit der Leistung eines PV-Moduls oder eines PV-Generators im Punkt maximaler Leistung (MPP) gemessen, an marktübliche und in Entwicklung befindliche unterschiedliche Solarzellentechnologien, z.B. monokristallin, multikristallin, amorph-Si, double- und triple- Si, CdTe, CIS, EFG angepasst und je nach Bedarf für unterschiedliche Einbausituationen mit funktechnischen Datentransfer angewendet werden kann.The invention is therefore the object based on a circuit arrangement for optimized power control and to provide the operating energy for a radiation sensor train that the irradiance G; in direct comparison with the performance of a PV module or a PV generator in the point maximum performance (MPP) measured against standard and under development different solar cell technologies, e.g. monocrystalline, multicrystalline, amorphous-Si, double- and triple-Si, CdTe, CIS, EFG adapted and depending on requirements for different installation situations can be used with radio data transfer.
Zur Lösung dieser Aufgabe dienen die kennzeichnenden Merkmale der Ansprüche 1 bis 7.Serve to solve this task the characterizing features of claims 1 to 7.
Die Erfindung bringt den Vorteil mit sich, dass die erfindungsgemäße Vorrichtung so ausgebildet ist, dass keine Korrekturparameter, z.B. die Zellentemperatur, mehr gemessen und in der Messwertaufbereitung berücksichtigt werden müssen. Für den Messvorgang, für die Messwertaufbereitung und funktechnische Abstrahlung ist keine Fremdenergie mehr erforderlich.The invention has the advantage with itself that the device according to the invention is designed so that no correction parameters, e.g. the cell temperature, measured more and taken into account in the processing of measured values Need to become. For the Measuring process, for the processing of measured values and radio transmission is not External energy required more.
Unter Berücksichtigung der elektrischen Leitfähigkeit des Strahlungssensorgehäuses ist die Nutzung des Strahlungssensorelementes als Teil einer solaren Planarantenne, Vorrichtung einer bereits bekannt gemachten erfinderischen Lösung nach DE P 199 38 199, möglich, um den Messwert gleichfalls über Funk an eine zentrale Auswerte- und Visualisierungseinheit zu übertragen.Taking into account the electrical conductivity of the radiation sensor housing is the use of the radiation sensor element as part of a solar Planar antenna, device of an inventive disclosed solution according to DE P 199 38 199, possible around the measured value To be transmitted wirelessly to a central evaluation and visualization unit.
Weitere vorteilhafte Merkmale der Erfindung ergeben sich aus den Unteransprüchen.Other advantageous features of Invention result from the subclaims.
Die Erfindung wird nachfolgend in Verbindung mit der beiliegenden Zeichnung an einem Ausführungsbeispiel näher erläutert. Es zeigt:The invention is hereinafter in Connection with the accompanying drawing of an embodiment explained in more detail. It shows:
Die Funktion der erfindungsgemäßen Vorrichtung
nach den
Beim Ladezyklus trifft die zu messende
Solarstrahlung mit der Bestrahlungsstärke Gi auf
das Strahlungssensorelement
Während
der Messzyklusphase wird die Ladung des Speichers
Optionell wird der analoge Messwert
MWANA/13 nochmals als digitaler Messwert
MWDIG/14 in der Regel- und Steuereinheit
- UU
- Spannung vom Strahlungssensorelementtension from the radiation sensor element
- II
- Strom vom Strahlungssensorelementelectricity from the radiation sensor element
- UL U L
- Ladespannungcharging voltage
- IL I L
- Ladestromcharging current
- UV U V
- Versorgungsspannungsupply voltage
- IV IV
- Versorgungsstromsupply current
- IMIN THE
- Messstrommeasuring current
- MWANA MW ANA
- analoger Messwert analog reading
- MWDIG MW DIG
- digitaler Messwertdigital reading
- MWHF MW HF
- hochfrequentes Messwertsignalhigh frequency Reading Signal
- 11
- StrahlungssensorelementRadiation sensor element
- 22
- GleichspannungswandlerDC converter
- 33
- Sperrdiodeblocking diode
- 44
- SpeicherStorage
- 55
- LadestromkontrolleinheitCharging current control unit
- 66
- Regel- und SteuerelektronikRule- and control electronics
- 77
- MessshuntShunt
- 88th
- Leistungsreglerpower controller
- 99
- GleichspannungswandlerDC converter
- 1010
- DifferenzspannungsanschlussDifferential voltage connection
- 1111
- ZellspannungsanschlussCell voltage connection
- 1212
- VersorgungsspannungsanschlussSupply voltage connection
- 1313
- Messwert ANALOG – AnschlussMeasured value ANALOG - connection
- 1414
- Messwert DIGITAL – AnschlussMeasured value DIGITAL connection
- 1515
- Sendeeinheittransmission unit
- 1616
- Gleichspannung-/ HochfrequenzentkopplungsnetzwerkGleichspannung- / RF decoupling network
- 1717
- Antenneantenna
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202004001246U DE202004001246U1 (en) | 2004-01-27 | 2004-01-27 | Solar radiation monitor for power installation planning and evaluation has solar cell sensor with self powered supply and radio data transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202004001246U DE202004001246U1 (en) | 2004-01-27 | 2004-01-27 | Solar radiation monitor for power installation planning and evaluation has solar cell sensor with self powered supply and radio data transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE202004001246U1 true DE202004001246U1 (en) | 2004-04-08 |
Family
ID=32103753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE202004001246U Expired - Lifetime DE202004001246U1 (en) | 2004-01-27 | 2004-01-27 | Solar radiation monitor for power installation planning and evaluation has solar cell sensor with self powered supply and radio data transmission |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE202004001246U1 (en) |
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| EP1925923A2 (en) | 2006-11-22 | 2008-05-28 | Institut für Solare Energieversorgungstechnik Verein an der Universität Kassel e.V. | Method and device for determining measuring values characteristic for the solar irradiance at the location of a PV generator |
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