燃气发电机作为一种高效的动力设备，在备用电源、移动供电等场景中应用广泛，其组成结构精密且各部分协同工作，确保稳定输出电能。其核心组成主要包括发动机、电机、控制器三大模块，采用四冲程工作原理，按冷却方式可分为水冷式与风冷式两类，不同冷却方式适用于不同的运行环境，水冷式散热更稳定，适合长时间高负荷运转，风冷式结构更紧凑，便于移动场景使用。

　　As an efficient power equipment, gas generators are widely used in backup power sources, mobile power supply and other scenarios. Their precise composition and coordinated operation of various parts ensure stable output of electrical energy. Its core components mainly include three modules: engine, motor, and controller. It adopts a four stroke working principle and can be divided into two types according to cooling methods: water-cooled and air-cooled. Different cooling methods are suitable for different operating environments. Water cooled cooling has more stable heat dissipation and is suitable for long-term high load operation. Air cooled structure is more compact and easy to use in mobile scenarios.

　　从整体构成来看，燃气发电机组属于内燃发电机组的一种，除核心的三大模块外，还包含柴油机、交流同步发电机、控制箱（屏）、联轴器和公共底座等部件，部分机组还配备专用的燃油箱、水箱和消声器。其中，消声器能有效降低运行时的噪音，水箱则为水冷系统提供循环保障，这些部件共同构成了完整的发电系统。

　　From the overall composition, gas generator sets belong to a type of internal combustion generator set. In addition to the three core modules, they also include components such as diesel engines, AC synchronous generators, control boxes (screens), couplings, and common bases. Some units are also equipped with dedicated fuel tanks, water tanks, and mufflers. Among them, the muffler can effectively reduce the noise during operation, and the water tank provides circulation guarantee for the water cooling system. These components together constitute a complete power generation system.

　　每台燃气发电机组都设有三个主要标牌，用于标识关键参数。进口机组的标牌常采用英文标注，尽管不同制造商的出厂编制规则存在差异，但标牌需清晰标明发动机的形式、额定输出功率、额定转速；发电机的额定功率、额定转速、额定电压、额定电流、绝缘等级、功率因数及接线方式；以及发电机组的持续功率、额定电压、额定电流、转速、制造商和出厂日期等核心信息，这些数据是用户正确使用和维护机组的重要依据。

　　Each gas-fired generator set is equipped with three main signs to identify key parameters. The label of imported units is often marked in English. Although there are differences in the factory preparation rules of different manufacturers, the label should clearly indicate the form, rated output power, and rated speed of the engine; The rated power, rated speed, rated voltage, rated current, insulation level, power factor, and wiring method of the generator; And the core information of the generator set, such as continuous power, rated voltage, rated current, speed, manufacturer, and date of manufacture, are important basis for users to correctly use and maintain the unit.

　　在机组的组装形式上，一般中小功率的成套机组多采用一体化设计，即通过公共底座将柴油机、交流同步发电机和控制屏等主要部件整合安装，形成一个紧凑的整体，这种设计便于整体搬运和快速安装。而大功率机组由于体积和重量较大，除柴油机和发电机安装在型钢焊接的公共底座上外，控制屏、燃油箱和水箱等设备需单独设计，以方便运输、移动和现场安装调试。

　　In terms of the assembly form of the unit, generally small and medium-sized complete sets of units adopt integrated design, that is, the main components such as diesel engine, AC synchronous generator, and control panel are integrated and installed through a common base to form a compact whole. This design is convenient for overall handling and fast installation. Due to their large size and weight, high-power units require separate design for equipment such as control panels, fuel tanks, and water tanks, in addition to diesel engines and generators installed on a common base welded with steel sections, to facilitate transportation, movement, and on-site installation and commissioning.

　　在动力传递方面，柴油机的飞轮壳与发电机前端盖轴通过凸肩定位直接连接，形成稳固的一体结构，并采用圆柱形弹性联轴器由飞轮直接驱动发电机旋转。这种连接方式通过螺钉紧密固定，能确保柴油机曲轴与发电机转子的同心度控制在规定范围内，减少运行时的振动和磨损，保障机组长期稳定运行。

　　In terms of power transmission, the flywheel housing of the diesel engine is directly connected to the front cover shaft of the generator through a shoulder positioning, forming a stable integrated structure, and a cylindrical elastic coupling is used to directly drive the generator to rotate by the flywheel. This connection method is tightly fixed by screws, ensuring that the concentricity between the diesel engine crankshaft and the generator rotor is controlled within the specified range, reducing vibration and wear during operation, and ensuring long-term stable operation of the unit.

　　发动机作为燃气发电机的动力源，负责将燃气的化学能转化为机械能，其四冲程工作过程（吸气、压缩、做功、排气）精准配合，为整个机组提供持续动力。电机则将机械能转化为电能，交流同步发电机能保证输出电流的稳定性，满足不同用电设备的需求。控制器作为机组的 “大脑”，实时监控运行参数，如转速、温度、电压等，实现自动启停、故障保护等功能，确保机组在安全范围内高效运转。这些部件的协同作用，使得燃气发电机能够适应多样化的供电需求，成为可靠的动力设备。

　　The engine, as the power source of the gas generator, is responsible for converting the chemical energy of the gas into mechanical energy. Its four stroke working process (suction, compression, work, exhaust) is precisely coordinated to provide continuous power for the entire unit. Electric motors convert mechanical energy into electrical energy, while AC synchronous generators ensure the stability of output current and meet the needs of different electrical equipment. As the "brain" of the unit, the controller monitors operating parameters in real time, such as speed, temperature, voltage, etc., to achieve automatic start stop, fault protection and other functions, ensuring that the unit operates efficiently within a safe range. The synergistic effect of these components enables gas generators to adapt to diverse power supply needs and become reliable power equipment.

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