Dr Schenk’s SolarMeasure I-V Curve Tracer offers individual cell electrical characterization

Share on facebook
Facebook
Share on twitter
Twitter
Share on linkedin
LinkedIn
Share on reddit
Reddit
Share on email
Email

Dr Schenk has developed a high-speed, non-destructive measurement of I-V curves of thin-film modules prior to the lamination step. The SolarMeasure I-V Curve Tracer evaluates the characteristics of every individual cell on the complete thin-film panel and detects local variations. These measurements can be taken in-line and the results serve as a GO/NO-GO test of whether a panel should be processed further.

Problem

Indirect metrology tests, e.g. measurement of pinhole density, layer thickness or haze alone cannot predict a solar panel’s final electrical efficiency.

Solution

The I-V Curve Tracer measurements can be correlated with preceding optical inspection data (e.g. local defects, layer thickness, haze) to characterize and improve processes. The I-V Curve Tracer offers stable and homogenous measurements without light power fluctuations across the measurement plane. Unique electrical characterization is achieved through space-resolved, wavelength-resolved and irradiance-resolved measurements. Unlike conventional flasher-tests, this measurement can be performed in-line before the lamination step and can, thus, serve as a GO/NO-GO tester to decide whether a panel is further processed. The I-V curve tracer can also be used as an off-line tool.

Applications

Evaluation of electrical characteristics of every individual cell on the complete thin-film panel.

Platform

The fully automated system is based on a proprietary LED illumination technology which enables an evaluation of the electrical characteristics of the entire thin-film panel, as well as the detection of local variations. The system features a three quadrant four point measurement for optimized determination of the serial and parallel resistance as well as an I-V measurement in a forward direction without light. The system comes fully automated with handling and a flexible, mechanical contacting mechanism to be integrated into a production line or to be used offline as a stand-alone tool. Next to the 2D display of I-V curves per measurement point, the analysis software offers intuitive 3D charts – cell by cell or for a cell row.

Availability

September 2011 onwards.  

28 July 2021
LONGi has launched its Hi-MO N module, the company's first bifacial module with N-type TOPCon cells, designed to deliver ultra- high value and lower LCOE to utility-scale PV power plants. This PV TechTalk Product Series webinar will provide an overview of the module’s technology and how the introduction of n-type technologies will provide efficiency and performance gains for solar project developers.
19 August 2021
The utility-scale PV market is poised for exponential growth and yet the industry still has many fundamental opportunities to improve on standards and best practice. Tracker shade loss has been one of those topics that deserve more attention, but has been typically handled by derate factors rather than trying to accurately forecast the loss over the life of the system. Join Nextracker’s subject matter experts, Aron Dobos and Neelesh Umachandran, and Rounak Kharait, director of solar energy assessments at DNV, for a webinar about why shade modeling matters and recommendations on what the solar industry should do about it.
25 August 2021
Energy Next is a new industry exhibition focusing on the latest renewable energy and energy efficiency technology, which will be held for the first time in 2021 in Sydney, Australia alongside the Clean Energy Council’s Australian Clean Energy Summit, the peak gathering of leaders driving Australia's energy transformation. Organised by the same people behind Australia’s largest clean energy event, All-Energy Australia, Energy Next will give visitors two days of access to key suppliers in the industry, free-to-attend professional development and industry workshops, and networking opportunities to better understand clean energy issues and solutions and learn about the latest developments in this transformational, dynamic sector.
25 August 2021
The Intersolar Summit Brasil Nordeste takes place in Fortaleza, Brazil. It addresses leading local and international experts on solar power and renewable energy in the region. The Summit’s mission is to provide in-depth education, enable high-quality networking opportunities, expand the use of PV technologies at regional and national level and strengthen the local PV industry. The Intersolar Summit Brasil Nordeste is organized by Intersolar South America - Latin America’s largest exhibition and conference for the solar industry: Solar Promotion International GmbH, Pforzheim, Freiburg Management and Marketing International GmbH (FMMI) and Aranda Eventos & Congressos Ltda, São Paulo as co-organizer.
25 August 2021
Join us to hear directly from the CTOs and heads-of-research from the top-20 cell/wafer producers to the PV industry today. The event will focus on predicting the key metrics underpinning the next big shift to n-type with answers to the key questions: When will the transition to n-type happen? Which companies will be first to 10 GW capacity and production? Who will be the key equipment suppliers for the new production lines? Which n-type process flow/architecture will emerge as the front-runner? What will polysilicon purity and wafer thickness levels look like for optimized n-type manufacturing? What will the upstream poly/wafer supply-chain look like in 5 years from now?
26 August 2021
In this webinar, JA Solar will present its product portfolio based on the latest technologies to improve your PV projects, ensuring maximum reliability and performance. During the webinar we will receive insight from JA Solar about its solar technology roadmap and how the manufacturer is providing customers with innovative solutions to suit their needs, while we will also analyse how to determine the best product solution for each solar project.

Read Next

July 27, 2021
Greek industrial group Mytilineos recorded a net profit of €77 million (US$91 million) in H1 2021, however the firm’s renewables division witnessed a drop in revenue year-on-year.
July 27, 2021
Canadian Solar has closed a BRL500 million (US$100 million) financing facility to develop a Brazilian solar portfolio claimed to be the country’s largest, while also giving it the option to hold built solar assets for longer.
July 27, 2021
Community Choice Aggregators (CCA) Central Coast Community Energy (CCCE) and Silicon Valley Clean Energy (SVCE) have signed contracts for 778MW of renewable energy generation and 118.75MW of energy storage in California.
July 27, 2021
More than 140 business leaders have urged the US Congress to pass President Joe Biden’s bipartisan infrastructure bill, telling lawmakers that the bill is “desperately needed” to renew the nation’s infrastructure
July 27, 2021
A round-up of the latest news from the US solar market, featuring Vision Solar’s commitment to hire “hundreds” of sales staff as part of a two-state expansion, Recurrent Energy’s sale of two major assets in Texas and news of 8minute Solar Energy strengthening its legal team.
July 27, 2021
Tesla reported retrofit solar installations of 85MW in Q2 2021, cementing its recovery from a worst-ever performance in the corresponding period last year.

Subscribe to Newsletter

Upcoming Events

Upcoming Webinars
August 19, 2021
At 9am (PT) | 6pm (CEST)
Solar Media Events
August 25, 2021
Solar Media Events
October 6, 2021