由于燃氣性能差別較大不同氣體燃料的成分和抗爆震性差別較大直接影響燃氣機的結構、動力性指標和燃料經濟性指標。

　　Due to significant differences in gas performance, the composition and shock resistance of different gas fuels directly affect the structure, power performance indicators, and fuel economy indicators of gas engines.

　　因此燃氣機的性能指標也相差很大燃用以甲烷為主要成分的燃料熱值高且抗爆震性好。

　　Therefore, the performance indicators of gas engines also vary greatly. Fuels mainly composed of methane have high calorific value and good resistance to detonation.

　　燃用非甲烷成分的燃料燃氣機的性能較差。

　　The performance of fuel gas engines that use non methane components is poor.

　　燃用各種燃氣的燃氣機在結構和性能上差異較大各種燃氣機按燃燒氣體燃料的不同可以分為天然氣機、沼氣機、瓦斯機、含氫燃氣發動機等。瓦斯機根據甲烷含量分為高濃度 （甲烷含量大于25％ ）和低濃度瓦斯機 （甲烷含量小于 25％ ）含氫燃氣發動機根據氫氣含量分為高含氫和低含氫燃氣發動機通常含氫量大于 20％的焦爐煤氣機、蘭炭氣機為高含氫燃氣發動機而含氫量小于 20％的油母頁巖氣機、發生爐煤氣機、秸稈氣機則為低含氫燃氣發動機。

　　Gas engines that burn various types of gas have significant differences in structure and performance. Gas engines can be divided into natural gas engines, biogas engines, gas engines, hydrogen containing gas engines, etc. according to the different combustion gas fuels. Gas engines are divided into high concentration (methane content greater than 25%) and low concentration (methane content less than 25%) based on methane content. Hydrogen containing gas engines are divided into high hydrogen and low hydrogen gas engines based on hydrogen content. Coke oven gas engines with hydrogen content greater than 20%, orchid charcoal gas engines are high hydrogen gas engines, while oil shale gas engines with hydrogen content less than 20%, generator gas engines, and straw gas engines are low hydrogen gas engines.

　　燃氣發電機組機的發電效率通常在 30％ ～40％之間比較常見的機型一般可以達到 35％。

　　The power generation efficiency of gas generator sets is usually between 30% and 40%. Common models can reach up to 35%.

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