Abstract:
Riau Province is one of the largest palm oil producers in
Indonesia. Pome of biogas is one form of renewable energy that
can be utilized through biogas power plants. One of the biogas
power plant in Riau is a Rama-Rama biogas power plant in
Kampar. As a first step to improving power plant efficiency, this
plant has been identified as the location of the largest loss in
power plant by energy analysis. Energy analysis were performed
for a gas engine with multiple cylinder on biogas power plant 835
kW otto cycle. The data from the plant’s record books using for
this analysis. The result, each gas engine cylinder has different
efficiency values. The highest and lowest energy efficiency of gas
engine found in cylinder 11 and cylinder 7, respectively 56,12%
and 56,02%. That different efficiency value occurred due to the
fact that there are large temperature differences between the
combustion process every cylinder and the working fluid.
