Photovoltaic power plants are facilities that use solar energy to convert light energy into electrical energy, and are composed of multiple devices. Below is an introduction to the main equipment of photovoltaic power plants.

1、光伏组件

1. Photovoltaic modules

光伏组件是太阳能发电系统的核心和关键的部分，它的作用是将太阳能转化为电能，并将其输送到蓄电池中储存，或者用于推动负载工作。

Photovoltaic modules are the core and crucial part of solar power generation systems, which convert solar energy into electrical energy and transport it to batteries for storage or to drive load operation.

2、光伏逆变器

2. Photovoltaic inverter

逆变器是一种将光伏发电产生的直流电转换为交流电的装置。在光伏系统中，逆变器扮演着维持平衡的重要角色，可以与一般的交流供电设备配合使用。

An inverter is a device that converts direct current generated by photovoltaic power generation into alternating current. In photovoltaic systems, inverters play an important role in maintaining balance and can be used in conjunction with general AC power supply equipment.

3、汇流箱

3. Combiner box

用户可以将一定数量和规格相同的光伏电池串联起来，形成光伏串列，然后将多个光伏串列并联接入光伏汇流箱。在光伏汇流箱内进行汇流后，通过控制器、直流配电柜、光伏逆变器和交流配电柜的配套使用，构建完整的光伏发电系统，并实现与市电的并网。

Users can connect a certain number of photovoltaic cells with the same specifications in series to form a photovoltaic series, and then connect multiple photovoltaic series in parallel to the photovoltaic combiner box. After converging in the photovoltaic combiner box, a complete photovoltaic power generation system is constructed through the matching use of controllers, DC distribution cabinets, photovoltaic inverters, and AC distribution cabinets, and grid connection with the mains is achieved.

4、控制柜

4. Control cabinet

用于控制整个发电过程中的电流输送，并保护设备等。

Used to control the current transmission throughout the entire power generation process and protect equipment.

5、电缆

5. Cable

负责整个发电过程中的电流输送工作。

Responsible for current transmission throughout the entire power generation process.

6、光伏储能电池及器件

6. Photovoltaic energy storage batteries and devices

主要用于减少太阳能光伏发电系统对电力系统的影响，提高系统的稳定性和可靠性。在光伏发电系统中，当太阳能光伏发电系统产生的电能不足以满足负载需求时，储能电池可以及时将多余的电能储存起来，以满足负载的用电需求。同时，在太阳能光伏发电系统中，也会出现日照不足、夜间等情况，此时储能电池可以为负载提供备用电源，避免负载因停电而停止工作。

Mainly used to reduce the impact of solar photovoltaic power generation systems on the power system, and improve the stability and reliability of the system. In photovoltaic power generation systems, when the electricity generated by the solar photovoltaic power generation system is insufficient to meet the load demand, the energy storage battery can timely store the excess electricity to meet the load's electricity demand. At the same time, in solar photovoltaic power generation systems, there may also be situations such as insufficient sunlight and night time. At this time, energy storage batteries can provide backup power for the load to prevent it from stopping working due to power outages.

7、支架

7. Bracket

支架是安装光伏电池板的设备。支架的设计要考虑太阳能的角度和方向，以便光伏电池板能够大程度地接收太阳能。

The bracket is a device for installing photovoltaic panels. The design of the bracket should consider the angle and direction of solar energy, so that the photovoltaic panel can receive solar energy to a large extent.

8、升压变压器与箱式变电站

8. Step-up Transformer and Box Substation

虽然都是变电设备，但它们的结构和用途不同。升压变压器主要用于提高电网的电压质量和容量，而箱式变电站主要用于减小电力系统中的电压波动和电流突变，提高电力系统的供电可靠性和安全性。

Although they are all substation equipment, their structure and purpose are different. Step-up transformers are mainly used to improve the voltage quality and capacity of the power grid, while box type substations are mainly used to reduce voltage fluctuations and current mutations in the power system, improve the reliability and safety of power supply.

9、检测装置

9. Detection device

用于检测光伏系统的性能和故障的设备。检测装置可以帮助维护人员及时发现和解决光伏系统中的问题，确保系统的稳定性和可靠性。

Equipment used to detect the performance and faults of photovoltaic systems. The detection device can help maintenance personnel discover and solve problems in the photovoltaic system in a timely manner, ensuring the stability and reliability of the system.

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