PRODUCT SHEET. Scription of DSO-2500 bi-axial solar tracker operation DESCRIPTION WHAT ARE THE BENEFITS? HOW DOES THE SOLAR TRACKER WORK?

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1 PRODUCT SHEET Scription of DSO-2500 bi-axial solar tracker operation The most recent product marketed by SOLAR TRACKER POLSKA is a bi-axial solar tracker manufactured based on in-house design developed by the Gwalbert Stefański, the company owner. DESCRIPTION Solar tracker is a device, which enables photovoltaic and thermal systems to actually track the most intensive sunlight, and not, like in case of GPRS system, follow its anticipated intensity. Graph comparative energy production WHAT ARE THE BENEFITS? It yields even up-to 60% more solar energy than in case of stationary equipment. HOW DOES THE SOLAR TRACKER WORK? Solar tracker uses the developed differential system and, therefore, it is able to find optimum position even on a very cloudy sky. Liquid flat plate collectors may also be mounted on the solar tracker. Solar tracker DSO-2500 The follow-up system is a very energy-efficient solution - power consumption does not exceed 2 kw per year. Innovative feature of this solution is the fact that it follows the Sun in two planes within a wide range of rotation angles. Rotation angle in E-W and N-S direction amounts to 140 and 80, respectively. Actuators are two electric cylinders each with 50 W of power, supplied by a DC current from a battery pack with rated voltage of 12 V or from a stabilized network feeder (in-house design).

2 Special bearings guarantee smooth system operation and very long service life. At night, the solar tracker positions itself to the East, anticipating sunrise. Control electronics are arranged in an airtight enclosure made of plastic, which is resistant to severe weather conditions. Steel structure of the solar tracker is designed to resist strong wind and at the same time it is very easy to assemble and dismantle. Equipment may be dismantled to facilitate transportation. Cataphoretic or powder coating of the solar tracker structure guarantees aesthetic appearance and resistance to weather conditions. Trackers are designed to be connected with four, eight or ten photovoltaic modules PV (from 1.0kWp to 3.0kWp). Modules are mounted directly onto the framework using M6 bolts without the need to use expensive moving clamps. The highest manufacturing quality guarantees long service life and operation reliability. Simple design and proven solutions make the solar tracking system very efficient and inexpensive to use. To see examples of complete solar tracking systems - please visit our website: Full offer: Bi-axial solar tracker DSO-2500

3 Bi-axial solar tracker DSO-2500

4 TECHNICAL PARAMETERS OF DSO-2500 SOLAR TRACKER TECHNICAL PARAMETERS DATA Consumption of electric power 2kW/year Number of rotation axes 2 Maximum rotation angle (East-West) 140 Maximum rotation angle (North-South) 80 Maximum dimensions of single panel 999 x 1670 mm Number of panels 10 Maximum weight of single panel 30 kg Power supply to cylinders 13,6 V Power consumption 50 W Materials steel Protection against corrosion galvanized construction Bearings 8 bearings UCPA P204 Weight of DSO kg Height from ground level to panel top 410 cm Framework dimensions 500 x 300 cm (width, height) Values of climate-related loads PN-80/B-02010/Az2006 PN-B-02011:1977/Az2009 Expected lifetime 20 years Operating temperature Height of leg above head level 200 cm it requires a base dimensions: Foundation, anchoring 1,5 x 1,3 x 1,3 m (height, length, width) without reinforcement Follow-up & differential system unmanned, fully automatic operation Wind sensor programmed to 50 km/h Fixing to foundation resin anchors Fi 160 x 180mm SOLAR TRACKER POLSKA is a Polish company active on the market for 1990 year. We engineer and manufacture new systems to generate electric power from renewable sources and improve the existing systems by implementation of our own innovative, frequently tailor-made solutions.

5 DEKLARACJA ZGODNOŚCI Kraków, ul. Żmujdzka 23 jako producent deklaruje, że produkt: Nazwa produktu - DWUOSIOWY STOJAK OBROTOW (solar tracker) Model - DSO-2500 Jest zgodny z wymaganiami następujących dyrektyw Oznaczenie CE: Kompatybilność elektromagnetyczna (EMC) Dyrektywa 89/336 / EWG Dyrektywa urządzeń niskiego napięcia 73/23 / EWG Normy bezpieczeństwa i dyrektywa niskonapięciowa: EC 60065:98 Norma i dyrektywa kompatybilności elektromagnetycznej: EN :97 +A1 :99 +A2 :00 EN :97 Spełnia wymagania zasadnicze zawarte w: PN-80/B-02010/Az:2006 PN-B-02011:1977/Az1:2009 WARTOŚCI OBCIĄŻEŃ KLIMATYCZNYCH BADANIA WYKONAŁO: 1. CENTRUM ROZWOJU TECHNIKI KRAKÓW 2. Firma PULSAR Właściciel firmy Gwalbert Stefański