分布式光伏发电系统的结构组成主要包括光伏组件、逆变器、电池储能系统、监测系统等几个部分。

The structural components of a distributed photovoltaic power generation system mainly include photovoltaic modules, inverters, battery energy storage systems, monitoring systems, and other parts.

光伏组件：光伏组件是分布式光伏发电系统中基本的部件，用于将太阳能光线转换为电能。光伏组件一般由太阳能电池片、强化玻璃、背板、边框等组成，其组件类型包括多晶硅、单晶硅、非晶硅等。

Photovoltaic modules: Photovoltaic modules are the basic components in distributed photovoltaic power generation systems, used to convert solar light into electrical energy. Photovoltaic modules are generally composed of solar cells, reinforced glass, backplates, frames, etc. The types of modules include polycrystalline silicon, monocrystalline silicon, amorphous silicon, etc.

逆变器：逆变器是分布式光伏发电系统中的核心部件，将光伏组件产生的直流电转换为电网所需的交流电，并将电网的供电调整为适合光伏组件的直流电输出，以提高分布式光伏发电的效率。

Inverters: Inverters are the core components of distributed photovoltaic power generation systems, which convert the direct current generated by photovoltaic modules into the alternating current required by the grid, and adjust the power supply of the grid to the DC output suitable for photovoltaic modules to improve the efficiency of distributed photovoltaic power generation.

电池储能系统：电池储能系统是分布式光伏发电系统中的储能部件，用于储存组件输出的电能，供给夜间或需求峰值的用电场景。目前较为成熟的电池储能技术主要包括锂离子电池、铅酸电池、钠硫电池等。

Battery Energy Storage System: A battery energy storage system is an energy storage component in a distributed photovoltaic power generation system, used to store the electrical energy output by the components and supply electricity for nighttime or peak demand scenarios. At present, mature battery energy storage technologies mainly include lithium-ion batteries, lead-acid batteries, sodium sulfur batteries, etc.

监测系统：监测系统用于监测整个分布式光伏发电系统的性能指标，包括光伏组件的发电效率、逆变器的转换效率、电池储能系统的充放电效率等，以确保系统的安全和有效运行。

Monitoring system: The monitoring system is used to monitor the performance indicators of the entire distributed photovoltaic power generation system, including the generation efficiency of photovoltaic modules, the conversion efficiency of inverters, and the charging and discharging efficiency of battery energy storage systems, to ensure the safe and effective operation of the system.

支撑架：支撑架是分布式光伏发电的安装组件，可分为分立支撑架和一体支撑架。分立支撑架适用于屋顶光伏电站，一体式支架适用于农业光伏、户外太阳能路灯等。

Support frame: The support frame is the installation component of distributed photovoltaic power generation, which can be divided into discrete support frames and integrated support frames. The discrete support frame is suitable for rooftop photovoltaic power stations, while the integrated support frame is suitable for agricultural photovoltaics, outdoor solar street lights, etc.