What is a bypass diode in a photovoltaic panel? What is it used for? A bypass diode, often also referred to as a protection diode or bypass diode, is an important component in the design of photovoltaic panels. It serves to protect the photovoltaic cells and ensures better module performance under partial shading conditions. Principle of the bypass diode Under normal sunlight and no shading, current flows through the...
Until now, in order to build a photovoltaic installation with a capacity of more than 50 kWp, the developer had to obtain a building permit. The procedure was often lengthy and expensive, which increased the costs from the investment. On 17 August 2023, an amendment to the Renewable Energy Sources Act came into force, which introduces significant changes. From now on, installations with a capacity of up to 150...
Most photovoltaic panels are made from silicon wafers. Silicon is a very valuable resource for our planet as it is available in abundance. The manufacturing process of photovoltaic cells is described in detail in a previous article. How are photovoltaic panels made? Solar panels are made from six main components. They are assembled in advanced manufacturing facilities with extreme precision,...
Sollab Photovoltaics a Recommended Installer 2023/2024 by SolarEdge! As long-standing installers of SolarEdge systems, we have become Recommended Installers 2023/2024! We would like to thank you for recognising our professionalism and assure you that we will continue to pursue a policy of high quality service! SolarEdge Technologies, Inc. is a global leader in smart solar energy solutions. SolarEdge provides innovative technologies that increase efficiency,...
How are photovoltaic cells made? Photovoltaic panels use photovoltaic cells, which are made from silicon crystalline wafers. Silicon wafers can be polycrystalline or monocrystalline and are manufactured using several different production methods. Currently, the most efficient type of cells are monocrystalline cells, which are manufactured using the Czochralski process. The Czochralski process is widely used...
On 17 April, an official announcement was made about the start date of the next edition of the renewable energy subsidy programme - MY GENERATION 5.0! When will the call for applications for the My Current 5.0 programme start? The call for applications has been scheduled for 22 April 2023, which is Earth Day. My electricity - about the programme The aim of the programme is to support investment in...
Heat pump compressor The compressor in heat pumps plays a key role. Heat extracted from the air, ground or water is accumulated and can be used to heat our building. The compressor is the most important component that is responsible for the correct functioning of the building heating. The compressor in heat pumps is largely responsible for the efficiency of the heat pump. The compressor is one of the components in a heat pump that...
CALEFFI is a European leader in the manufacture of top quality control and measurement fittings used for domestic and industrial applications in the heating, air-conditioning, sanitary and renewable energy sectors Heat pump protection The growth in popularity of heat pumps, including monoblock heat pumps, has contributed to the increasing popularity of the Caleffi 108 series anti-freeze valve. Its main...
From 13 to 17 March 2023, we had the pleasure of taking part in the ISH trade fair in Frankfurt am Main. This is the leading event for the plumbing and sanitary industry. The ISH trade fair is the largest international event in the air conditioning, ventilation, heating, also plumbing and sanitary installation industry. Manufacturers of bathroom and plumbing equipment will present innovative solutions and the latest design. In the technology segment, the...
How do I choose a heat pump? The right choice of heat pump makes it possible to provide heat comfort in all weather conditions in an environmentally friendly and cost-effective manner. The right choice of unit is not easy, as many factors need to be taken into account, such as an accurate determination of the building's heating requirements. The best solution is to have this task carried out by specialists who will analyse all the factors. However, it is worth knowing ...
In 2022 compared to 2021, sales of heat pumps in Poland increased by 120%. As many as 137% - increased the number of air-to-water heat pumps sold. There has already been a huge increase in interest in the installation of air-to-water heat pumps for five years. The total number of air-to-water heat pumps installed last year was 188,200 units. What...
UPDATE FEBRUARY 2023 RES Grant 1.02.2023. - 30.06.2026 An investor who is the owner or manager of a multi-family building may apply for the RES Grant. The RES Grant is available to an investor implementing a project involving the purchase, installation, construction or modernisation of a renewable energy source installation - it amounts to 50 per cent of the cost of this project. When submitting an application, one must include: 1. documentation...
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