News Editor, Technical and Israeli Market Reporter
Lior Kahana is a News Editor and Technical and Israeli Market Reporter for pv magazine Global. With a focus on the solar energy industry, Lior's articles cover topics such as innovative solar technologies, renewable energy advancements, and market trends. Lior's work has also been featured in pv magazine India and pv magazine USA.
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Lior Kahana's articles predominantly focus on scientific and energy themes, particularly within the solar energy and photovoltaic technology sectors. It is apparent that Lior heavily relies on data and press releases for coverage.
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By: Lior Kahana
Conceived by researchers in Canada, the novel method combines image processing and deep learning techniques to locate the areas of the solar panels covered with snow. It reportedly performed better than three other popular image processing-based segmentation methods.
Researchers have analyzed the viability of floating PV in terms of net present value, internal rate of return, and LCOE. They included 25 European countries in their work, including Germany, the United Kingdom, Spain, and Italy.
Conceived by French scientists, the novel system uses ensemble learning and does not require anything more than a commercially available optimizer. Before it makes a decision, the method combines K nearest neighbors, support vector machine, and decision tree learning. Accuracy is reportedly up to 89%.
Scientists in South Africa have conducted full-scale research on the effect of wind load on PV panel mounting rails for more than 100 days. Compared to standard design codes, they found lower combined wind load coefficients. Maximum loads occurred for an easterly wind direction.
Scientists in Morocco have evaluated how hybrid wind solar plants may be combined with pumped hydro storage to power remote rural areas. The proposed system was found to have an LCOE $0.03831/kWh and a 86% use factor.
Namibia Power Corp. (NamPower) has secured a loan from German state-owned development bank KfW to expand the planned Rosh Pinah project in Namibia from 70 MW to 100 MW. The NAD 1.3 billion ($72.6 million) loan will cover 80% of the solar project’s costs.
The two US-based companies are showcasing their new home energy system with up to 123.2 kWh of storage at RE+ 2024 event in the United States. The new product has four MPPTs, with a max current of 16 A per string.
New research from India shows how bifacial solar modules should be deployed to achieve strong performance in floating PV projects planned on tropical freshwater. Their experimental setup demonstrated that higher efficiency gains are achievable by gauging panel height, water depth, and tilt angle.
Scientists have proposed a new system that uses surplus PV energy in the spring and the autumn to charge up underground thermal energy storage for later use in the summer and winter. They have simulated it on a school facility in Seoul, with a few optional configurations for thermal storage. Power savings were up to 39%.
The novel method uses the YOLOv8 framework, integrating an attention mechanism and a transformer model. It was tested on a dataset of 4,500 electroluminescence images against several other models and its results were up to 17.2% more accurate.
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