1、输出功率相对小,规模可灵活调整
1. The output power is relatively small, and the scale can be flexibly adjusted
分布式光伏发电项目的容量在数千瓦至数兆瓦之间,输出功率远远小于大型地面光伏电站;可通过光伏发电的模块化设计调整规模的大小;可根据屋顶面积与建设条件等因素调整光伏系统的容量;安装方式相对灵活,适合在耗能集中区域进行分散式建设。
The capacity of distributed photovoltaic power generation projects ranges from several kilowatts to several megawatts, and the output power is far less than that of large ground photovoltaic power stations; The scale can be adjusted through the modular design of photovoltaic power generation; The capacity of photovoltaic system can be adjusted according to factors such as roof area and construction conditions; The installation method is relatively flexible and suitable for decentralized construction in energy-intensive areas.
2、项目污染少,环保效益突出
2. The project has less pollution and outstanding environmental benefits
分布式光伏发电与其他新能源项目相同,在发电的过程中没有污染和噪音,也不会对空气和水造成污染,适合在宜居的城市、偏远地区发展,也是防治雾霾和实现节能减排目标的有效手段之一。
Like other new energy projects, distributed photovoltaic power generation has no pollution and noise in the process of power generation, and will not pollute the air and water. It is suitable for development in livable cities and remote areas, and is also one of the effective means to prevent haze and achieve the goal of energy conservation and emission reduction.
3、发电用电并存,输电线路线损少
3. Power generation and consumption coexist, and transmission line loss is small
大型地面光伏发电是升压接入输电网,仅作为发电电源参与电网运行,而分布式光伏发电是接入配电网,直接发直接用,且大部分能就地消纳。因不需要长距离输送,因此不存在线损,且直接在配电网消纳,利用率普遍高于地面光伏电站。
Large-scale ground photovoltaic power generation is connected to the transmission network by boosting voltage, and is only used as a power source to participate in the grid operation, while distributed photovoltaic power generation is connected to the distribution network, directly generated and used, and most of it can be consumed locally. Because there is no need for long-distance transmission, there is no line loss, which is directly absorbed in the distribution network, and the utilization rate is generally higher than that of ground photovoltaic power stations.
4、靠近负荷中心,对电网影响不大
4. Close to the load center, with little impact on the power grid
分布式光伏一般分布在中、东部负荷中心区域,直接售电给大型工商业用户、住宅等,不需长距离输送,节约电网成本,规模一般比地面并网光伏电站小,对电网的频率、电压波动影响有限。
Distributed PV is generally distributed in the central and eastern load centers, and directly sells electricity to large industrial and commercial users, residential buildings, etc., without long-distance transmission, saving power grid costs, generally smaller than the ground grid-connected PV power stations, and has limited impact on the frequency and voltage fluctuations of the power grid.
5、节约土地资源与开发成本
5. Save land resources and development costs
分布式光伏电站项目不需在集中连片的土地上开发,因此能够有效节省土地资源,提高闲散屋顶、厂房的利用效率。同时,在大型工商企业用电需求日益增长的背景下,业主具有建设分布式光伏电站的积极性,项目开发成本一般低于大型并网光伏电站。
The distributed photovoltaic power station project does not need to be developed on concentrated and contiguous land, so it can effectively save land resources and improve the utilization efficiency of idle roofs and workshops. At the same time, in the context of the increasing demand for electricity by large industrial and commercial enterprises, the owners have the enthusiasm to build distributed photovoltaic power stations, and the project development cost is generally lower than that of large-scale grid-connected photovoltaic power stations.
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