屋頂光伏發電又叫屋頂太陽能光伏發電，是一種光生伏打系統，其具有它的電產生的太陽能電池板安裝在住宅或商業建筑或結構的屋頂。這種系統的各種組件包括光伏模塊、安裝系統、電纜、太陽能逆變器和其他電氣附件。

Rooftop photovoltaic power generation, also known as rooftop solar photovoltaic power generation, is a photovoltaic system that generates electricity by installing solar panels on the roofs of residential or commercial buildings or structures. The various components of this system include photovoltaic modules, installation systems, cables, solar inverters, and other electrical accessories.

與容量在兆瓦范圍內的地面安裝光伏電站相比，屋頂安裝系統體積小。住宅建筑物上的屋頂光伏系統通常具有約5至20 千瓦（kW）的容量，而安裝在商業建筑物上的屋頂光伏系統通常會達到100千瓦或更高。

Compared to ground mounted photovoltaic power stations with a capacity within the megawatt range, rooftop mounted systems have a smaller volume. Roof photovoltaic systems on residential buildings typically have a capacity of approximately 5 to 20 kilowatts (kW), while roof photovoltaic systems installed on commercial buildings typically reach 100 kilowatts or higher.

一、屋頂光伏發電系統的組成

1、 Composition of rooftop photovoltaic power generation system

屋頂光伏發電系統由光伏組件、光伏逆變器、光伏支架以及光伏線纜等構成。為保證系統安全可靠運行，還有綜合設計防雷系統、保護系統、測控系統等配套設施。

The rooftop photovoltaic power generation system consists of photovoltaic modules, photovoltaic inverters, photovoltaic brackets, and photovoltaic cables. To ensure the safe and reliable operation of the system, there are also supporting facilities such as comprehensive design of lightning protection systems, protection systems, and measurement and control systems.

二、類型

2、 Type

1、農村屋頂光伏發電

1. Rural rooftop photovoltaic power generation

就是在農村，利用農民閑置的房頂安裝光伏發電系統，在光照充足的環境下發電。

In rural areas, photovoltaic power generation systems are installed on idle roofs of farmers to generate electricity in a well lit environment.

2、分布式光伏屋頂發電

2. Distributed photovoltaic rooftop power generation

分布式光伏屋頂發電特指利用用戶屋頂建設，運行方式以用戶側自發自用、多余電量上網，且在配電系統平衡調節為特征的光伏發電設施。

Distributed photovoltaic rooftop power generation specifically refers to photovoltaic power generation facilities that utilize user rooftops for construction, operate spontaneously on the user side, generate excess electricity on the grid, and are characterized by balanced regulation in the distribution system.

3、別墅屋頂光伏發電

3. Villa roof photovoltaic power generation

這種是利用別墅屋頂斜面瓦安裝導軌平鋪光伏組或水平屋頂利用下面支架支撐光伏組的形式的光伏發電設施。

This is a photovoltaic power generation facility that uses sloping tiles on the roof of a villa to install guide rails and lay photovoltaic panels flat, or a horizontal roof to support photovoltaic panels with brackets underneath.

4、家庭屋頂光伏發電

4. Home rooftop photovoltaic power generation

家庭屋頂光伏發電是指建設在住宅屋項上的分布式光伏發電項目。運行方式分為用戶側自發自用、余電上網，全額電量上網和全部用戶側消納三種形式。

Household rooftop photovoltaic power generation refers to distributed photovoltaic power generation projects built on residential properties. The operation mode is divided into three forms: user side spontaneous self use, residual power grid connection, full power grid connection, and full user side consumption.

5、工廠屋頂光伏發電系統

5. Factory rooftop photovoltaic power generation system

工廠屋頂光伏發電系統通常是指利用工廠屋頂分散式太陽能資源，裝機規模較小的、布置在企業廠房附近的太陽能發電系統，它一般接入低于35KV或更低電壓等級的電網。工廠屋頂太陽能發電系統特指采用光伏組件，將太陽能直接轉換為電能的分布式太陽能發電系統。

The factory rooftop photovoltaic power generation system usually refers to a small-scale solar power generation system that utilizes dispersed solar energy resources on the factory roof and is arranged near the enterprise factory building. It is generally connected to a power grid with a voltage level below 35KV or lower. The factory rooftop solar power generation system specifically refers to a distributed solar power generation system that uses photovoltaic modules to directly convert solar energy into electrical energy.

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