Energie- und Gebäudetechnik
Tel.: 09185 9401-0
Fax. 09185 9401-50
The basic engine is a MAN D26 six-cylinder in-line diesel engine with turbocharger, control unit, and 4-stroke common rail fuel injection system, as well as 4-valve technology with optimised combustion chamber and centrally arranged injection elements. The Burkhardt CHP ECO 180 HG, together with the Burkhardt wood gasifier V 3.90, generates about 180 kW electrical and about 270 kW thermal energy and has a pellet consumption rate of 110 kg/h and 4 l of pilot oil/h.
In a compression-ignition engine (diesel functional principle), the wood-gas/air mixture is not ignitable. In order to be able to benefit from the good efficiency of the diesel engine compared to the petrol engine, pilot oil is injected. This results in a fuel/air mixture in the cylinder which is self-igniting when combined with sufficient compression. Using the common rail injection process (CDI), the combustion can be controlled in such a way that the efficiency level can be further optimised. A rape seed oil raffinate is used as pilot oil. Heating oil or diesel fuel are also suitable. However, the country-specific requirements must be taken into account. The additional consumption of pilot oil contributes fully to the engine output.
An air-cooled synchronous generator is used in both models. The generator has the type of protection IP 23. It is equipped with a double-mounted rotor in order to keep the bearing loads on the drive unit as low as possible. The brushless AREP system by Leroy-Somer is used as field excitation system. The spacious and expandable terminal box enables simple access for maintenance and installation tasks. Housings made of steel, end shields made of grey cast iron, and lifetime-lubricated bearings designed for the special requirements and the vibrational behaviour of the drive unit.
* Total thermal output in combination with the Burkhardt wood gasifier