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Micro powerplant WAVE 120 obtained Ecodesign


The project of the Wave 120 micro powerplant development, taking place in the University Centre for Energy Efficient Building CTU in Prague got remarkably close to the phase of its real market introduction. Official measurement confirmed that the device reached parameters necessary to obtain the so called Ecodesign and could be installed in almost all of the European Union.

The WAVE 120 micro powerplant meets all requirements of the EU Commission directive for biomass cogeneration units. Ecodesign is a set of parameters (especially energy efficiency) the supplier (manufacturer or importer) of a product connected with energy consumption must meet when introducing it to the EU market, or putting it to operation. The goal of the legislation is to support the spreading of most efficient technologies and thus lower the energy consumption during the phase of product use.

The WAVE micro cogeneration device could be imagined simply as a fully automatic biomass boiler with ancillary electricity production. While common boilers consume electricity for their operation, the WAVE unit produces electricity for its own operation and it is able to supply the excess electricity to the connected building, or supply network.

The whole concept is known as combined production of electricity and heat (CHP) or cogeneration, respective micro cogeneration in small scale. The advantage of CHP is the fact that part of the heat energy released by burning biomass is used for transformation into a qualitatively superior form – electric energy. The electricity production is realised using an organic Rankine Cycle (ORC), which is cooled by heating water meant for heating.

The development of the WAVE 120 micro powerplant was supported by the Technology Agency of Czech Republic within the project Cogeneration ORC unit with heat power of 120 kW on wood chips in container embodiment.