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Bifacial photovoltaic (PV) modules are able to utilize light from both sides and can therefore signifi cantly increase the electric yield of PV power plants. The yield gain compared to monofacial modules is mainly determined by the conversion efficiency for solar irradiance incident on the rear side of a bifacial PV module, and the amount and quality of solar irradiance incident on the rear side.

The share of photovoltaics in global energy supply is increasing rapidly. The dynamic PV module market is driven by high cost pressure and short innovation cycles. A large number of cell manufacturers and material suppliers for backsheets, encapsulants and other providers offer increasingly efficient and competetive products. The assurance of module quality is becoming outstandingly important for investors and manufacturers.

Wärmepumpen und Kältemaschinen sind eine ökonomisch und ökologisch attraktive Lösung, um den Heizungs-, Kühl- oder Warmwasserbedarf im Wohnbereich, Gewerbesektor oder in der Industrie zu decken. Für die Energiewende ist die Wärmepumpentechnologie von großer Bedeutung, da Heiz- und Kühlsysteme dadurch verstärkt mit erneuerbarem Strom betrieben werden können. Die Vielfalt der möglichen Energiequellen (z.B. Luft, Erdreich, Abwärme), der Anwendungsbereiche und Einbindungsvarianten haben eine Vielzahl verschiedener Produkte hervorgebracht und ein starkes Marktwachstum zur Folge gehabt.

Multiple factors affect the reliability and long-term performance of photovoltaic modules. The quality and characteristics of the used materials, the interaction of the components, the manufacturing process and, of course, the local climate at the operating site play a significant role. 

At Fraunhofer ISE we use high-resolution analytical methods to assess degradation indicators and mechanisms. These methods serve as powerful tools that  complement the current-voltage (IV) measurements.

In our accredited calibration laboratory CalLab PV Modules, we combine comprehensive scientific know-how with modern measurement technology. Among our  clients are renowned module manufacturers, EPCs (engineering, procurement, construction) and investors with the highest demands on quality. Many years of experience and our excellent reputation in the field of PV module calibration and performance testing ensure reliable measurement results.

Photovoltaics have become an important pillar in the world-wide energy supply. Recently, the application of PV technology has especially gained importance in countries with challenging climates e.g. in the Middle East and North Africa. Due to the constant cost pressure on module production, a standardized quality assurance of PV modules remains crucial to ensure safe and reliable products.

Reference cells produced by Fraunhofer ISE are cutting-edge equipment for manufacturers of PV modules, laboratories and EPC contractors (Engineering, Procurement and Construction) worldwide.

Based on many years of experience in the area of service life analysis, TestLab PV Modules was founded at Fraunhofer ISE in 2006 and accredited in accordance with ISO/ IEC 17025. Highgrade and innovative testing facilities enable a comprehensive range of services and meet highest quality demands.

In the past few years, Potential Induced Degradation (PID) has been recognized as a failure mechanism that can cause substantial power loss in different PV module types and decrease the power plant performance ratio. In some cases, corrosive PID also becomes visible in module appearance.

The precise measurement of solar cells and modules is of crucial importance in solar technology. As one of the world’s leading laboratories, CalLab PV Cells, the photovoltaic calibration laboratory at Fraunhofer ISE, provides comprehensive measurement services in this field since 30 years.

Der Anspruch auf visuellen und thermischen Komfort, energetische Aspekte sowie die optimale Ausnutzung des Tageslichts stellen heute hohe Anforderungen an moderne Fassaden. Dies ist von Gebäudeplanern, Architekten, Bauherren und Herstellern von Fassadenelementen bei der Planung von Gebäudehüllen oder Verbesserung von Produkten zu berücksichtigen.

The professional quality assurance services of Fraunhofer ISE have been contributing to high performance and optimal yields of PV power plants over the last two decades. In every phase of a PV power plant project – from development up to long-term operation – our customers benefit from our longstanding experience. Our independent reports increase the confidence of all stakeholders of a PV power plant. International project developers, EPCs (Engineering, Procurement, Construction) as well as banks and investors trust in our services. Our experts look forward to supporting your projects.

Renewable Power Generating Units (PGUs) play a crucial role in a stable and reliable electrical power grid. Their efficiency, quality and compliance with standards are decisive for their acceptance by investors and grid operators. The TestLab Power Electronics is accredited to DIN EN ISO / IEC 17025 and offers a wide range of testing services to its customers.

PV power plants have become a competitive option for electricity generation in many regions with high solar irradiationlevels like the sun belt region. For reliable operation in challenging climates with elevated UV doses, PV modules have to be engineered and qualifi ed carefully. UV irradiation is well known to be a crucial degradation factor, strongly depending on the radiation spectrum. Fraunhofer ISE has investigated natural UV spectra at different locations, lamp spectra and associated aging effects in detail.

With its long-term experience, Fraunhofer ISE offers a wide array of services including the quality assurance of PV systems, battery system technology and battery storage integration in commercial PV applications as well as in hybrid PV diesel mini-grids.Our support ranges from the identification and analyses of load profiles and the design of the entire power system through to the implementation and operation phase of the facility.

Auf Basis seiner langjährigen Erfahrung bietet das Fraunhofer ISE in den Bereichen der Qualitätssicherung von PV-Kraftwerken, der Batteriesystemtechnik und der Integration von Batteriesystemen in PV-Anlagen sowie der Simulation von Energiesystemen ein umfangreiches Leistungsspektrum für Planer, Projektentwickler und Investoren an. Wir begleiten sie dabei von der Planung über die Umsetzung bis zum Betrieb der Anlage.

Das TestLab Solar Thermal Systems prüft solarthermische Komponenten und Komplettsysteme. Darüber hinaus unterstützen wir unsere Kunden bei der Entwicklung ihrer Produkte. Unsere Akkreditierung und die Zusammenarbeit mit europäischen und internationalen Zertifizierern sichert eine hohe Qualität unserer Leistungen.

Mit dem SmartEnergyLab verfügt das Fraunhofer ISE über ein hochmodernes Entwicklungs- und Testlabor. Es ist mit innovativen Komponenten für die regenerative Strom- und Wärmeerzeugung sowie mit Speicherkomponenten ausgestattet. Damit bietet es eine praxisnahe Testumgebung für Strom- und Wärmesysteme.

We offer calibrated measurements of III-V multi-junction cells for space and terrestrial concentrator applications as well as of single-junction concentrator solar cells.

The precise measurement of solar cells and modules is of crucial importance in solar technology. As one of the world’s leading laboratories, CalLab PV Cells, the photovoltaic calibration laboratory at Fraunhofer ISE, provides comprehensive measurement services in this field since 30 years.

We offer calibrated measurements of III-V multi-junction cells for space and terrestrial concentrator applications as well as of single-junction concentrator solar cells.

Bifacial photovoltaic (PV) modules are able to utilize light from both sides and can therefore signifi cantly increase the electric yield of PV power plants. The yield gain compared to monofacial modules is mainly determined by the conversion efficiency for solar irradiance incident on the rear side of a bifacial PV module, and the amount and quality of solar irradiance incident on the rear side.

In our accredited calibration laboratory CalLab PV Modules, we combine comprehensive scientific know-how with modern measurement technology. Among our  clients are renowned module manufacturers, EPCs (engineering, procurement, construction) and investors with the highest demands on quality. Many years of experience and our excellent reputation in the field of PV module calibration and performance testing ensure reliable measurement results.

Reference cells produced by Fraunhofer ISE are cutting-edge equipment for manufacturers of PV modules, laboratories and EPC contractors (Engineering, Procurement and Construction) worldwide.

The share of photovoltaics in global energy supply is increasing rapidly. The dynamic PV module market is driven by high cost pressure and short innovation cycles. A large number of cell manufacturers and material suppliers for backsheets, encapsulants and other providers offer increasingly efficient and competetive products. The assurance of module quality is becoming outstandingly important for investors and manufacturers.

Multiple factors affect the reliability and long-term performance of photovoltaic modules. The quality and characteristics of the used materials, the interaction of the components, the manufacturing process and, of course, the local climate at the operating site play a significant role. 

At Fraunhofer ISE we use high-resolution analytical methods to assess degradation indicators and mechanisms. These methods serve as powerful tools that  complement the current-voltage (IV) measurements.

Photovoltaics have become an important pillar in the world-wide energy supply. Recently, the application of PV technology has especially gained importance in countries with challenging climates e.g. in the Middle East and North Africa. Due to the constant cost pressure on module production, a standardized quality assurance of PV modules remains crucial to ensure safe and reliable products.

In the past few years, Potential Induced Degradation (PID) has been recognized as a failure mechanism that can cause substantial power loss in different PV module types and decrease the power plant performance ratio. In some cases, corrosive PID also becomes visible in module appearance.

PV power plants have become a competitive option for electricity generation in many regions with high solar irradiationlevels like the sun belt region. For reliable operation in challenging climates with elevated UV doses, PV modules have to be engineered and qualifi ed carefully. UV irradiation is well known to be a crucial degradation factor, strongly depending on the radiation spectrum. Fraunhofer ISE has investigated natural UV spectra at different locations, lamp spectra and associated aging effects in detail.

Das TestLab Solar Thermal Systems prüft solarthermische Komponenten und Komplettsysteme. Darüber hinaus unterstützen wir unsere Kunden bei der Entwicklung ihrer Produkte. Unsere Akkreditierung und die Zusammenarbeit mit europäischen und internationalen Zertifizierern sichert eine hohe Qualität unserer Leistungen.

Der Anspruch auf visuellen und thermischen Komfort, energetische Aspekte sowie die optimale Ausnutzung des Tageslichts stellen heute hohe Anforderungen an moderne Fassaden. Dies ist von Gebäudeplanern, Architekten, Bauherren und Herstellern von Fassadenelementen bei der Planung von Gebäudehüllen oder Verbesserung von Produkten zu berücksichtigen.

Renewable Power Generating Units (PGUs) play a crucial role in a stable and reliable electrical power grid. Their efficiency, quality and compliance with standards are decisive for their acceptance by investors and grid operators. The TestLab Power Electronics is accredited to DIN EN ISO / IEC 17025 and offers a wide range of testing services to its customers.