Jun 25 2010
German Power Generators offers the Micro Wood Pellet Power CHP. This cogeneration unit generates approximately 3 kW electric output to the grid and 10.5 kW thermal outputs.
The CHP (combined heat and power) unit delivers an over all efficiency of 90% and its electrical efficiency is 20%. The flow temperature of this unit is 50–75°C, its optimal return temperature is 30°C, and its maximum return temperature is 60°C. The DIN plus type of pellet fuel utilized in the unit produces approximately 14.9 kW power.
The Stirling engine incorporated in this unit utilizes one cylinder with a capacity of 520 ccm. This engine operates with nitrogen as working gas and operates in the speed range of 500–1000 rpm with a maximum working pressure of 40 bar. The Micro Wood Pellet Power CHP offered by German Power Generators incorporates an inverter with a nominal output of 3.4 kW, a peak capacity of 3.8 kW, an input voltage ranging from 350 to 750 V and a maximum efficiency of 95.7%. The inverter inputs single phase 230 V and 50 Hz power to the grid and the three phase grid control is performed through an inbuilt grid disconnecting device. The control unit incorporated in this model utilizes a graphic touch screen display and a RS232 interface for reading the data.
The pellet container incorporated in this model holds approximately 50 L of pellets and delivers pellets for heating through vacuum delivery. The length x width x height dimensions of this unit is 1160 mm x 760 mm x 1590 mm and weighs 410 kg. The sound emission level of this unit is 49 dB and this unit is available in blue and green colors.