燃气发电机组一般分为汽轮机发电和内燃机发电，一般燃气发电机组采用往复活塞式内燃机效率，国外颜巴赫、瓦克夏等品牌发电效率一般在38-40%，国内济柴品牌做的，一般在35-38%。

The gas generator set is generally divided into steam turbine power generation and internal combustion engine power generation. Generally, the reciprocating piston internal combustion engine is used for the gas generator set with the highest efficiency. The power generation efficiency of foreign brands such as Yanbach and Waksha is generally 38-40%, while the domestic brands of Jichai do the best, generally 35-38%.

采用燃气轮机发电，一般一次燃烧带动燃气轮机发电的效率为28-30%；二次蒸汽发电效率在15-20%。

Gas turbine is used for power generation. Generally, the efficiency of gas turbine power generation driven by primary combustion is 28-30%; The efficiency of secondary steam power generation is 15-20%.

由此可见，燃气发电机组发电效率通常在30%-40%之间，常见的机型一般可以达到35%。燃气内燃机的优点是发电效率比较高，其次是设备集成度高，安装快捷。对于气体中的粉尘要求不高，基本不需要水，设备的单位千瓦造价也比较低。

It can be seen that the power generation efficiency of gas generating units is usually between 30% and 40%, and the common models can generally reach 35%. The advantages of gas internal combustion engine are high power generation efficiency, high equipment integration and fast installation. The requirement for dust in the gas is not high, and water is basically not needed, and the unit kilowatt cost of the equipment is also relatively low.、

燃气发电机组常见的额定发电效率，如果是进口燃气发电机组一般为38%—42%之间，国产机组实际发电效率为30%—35%之间。

The common rated power generation efficiency of gas generator sets is between 38% and 42% for imported gas generator sets, and between 30% and 35% for domestic units.

除了需要了解燃气发电机组的耗气量，还需要确定如下几个问题：

In addition to knowing the gas consumption of the gas generator unit, the following issues need to be determined:

① 每度电的能量等同于3.6MJ。

① The energy per kilowatt-hour is equivalent to 3.6MJ.

② 使用的天然气的热值为多少，一般为8300大卡—8500大卡之间（折合为34.7—35.6MJ），但是近年来燃气公司都在使用技术手段降低热值，天然气热值拟定为35MJ每立方。

② The calorific value of natural gas used is generally between 8300 kcal and 8500 kcal (equivalent to 34.7-35.6 MJ), but in recent years, gas companies have been using technical means to reduce the calorific value, and the calorific value of natural gas is proposed to be 35 MJ per cubic meter.

③ 确定发电机组发电效率（当发电功率为700KW时），拟定为40%

③ Determine the generating efficiency of the generator unit (when the generating power is 700KW), which is proposed to be 40%

计算如下：

The calculation is as follows:

700÷（35÷3.6×40%）≈180m

700÷（35÷3.6 × 40%）≈180m

有了燃气发电机组上面的小总结，希望对广大客户有所帮助，如果有什么不理解的或者寻求帮助的请点击我们的网站：http://www.huannengpower.com或者来电咨询，我们会尽全力为您解决

With the above summary of gas generator set, I hope it can help our customers. If you don't understand or ask for help, please click our website: http://www.huannengpower.com Or call for consultation, and we will do our best to solve it for you