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太阳能离网发电系统

太阳能离网发电系统概要图

off-GriD solar power Generation system summary CHart
太阳能离网发电系统概要图

太阳能离网发电系统概要图

离网太阳能光伏发电是指太阳能光伏发电不与电网连接的发电方式,典型特征为需要蓄电池来存储夜晚用电的能量。离网太阳能光伏发电在民用范围内主要用于边远的乡村、牧区、海岛、高原、沙漠的农牧民提供照明、收看电视、收听广播等的基本生活用电;在工业范围内主要用于通讯、卫星广播电视中继站、太阳能水泵、航标灯、输油输气管道阴极保护、气象台站、公路道班以及边防哨所等提供电源,在具备风力发电和小水电的地区还可以组成混合发电系统,如风力发电、太阳能发电补光系统等。

off-grid solar power generation system refers to the solar power generation system is not connected to the grid generation, typical energy that need batteries to store electricity at night。 off-grid solar power generation system in the civil scope is mainly used in remote rural and pastoral areas, plateau, desert, island of farmers and herdsmen to provide lighting, television, radio and so on the basic life of electricity; Within the scope of the industry is mainly used in communications, satellite radio and television relay station, solar water pumps, beacon light, oil pipeline cathodic protection, meteorological offices and stations, highway class and border posts to provide power supply, in areas with wind power and small hydropower can also of hybrid power systems, such as wind power, solar lighting system, etc。
太阳能并网发电系统 太阳能并网发电系统 太阳能并网发电系统

离网光伏电站工程案例

off-GriD solar power Generation system enGineerinG Case

太阳能离网发电系统的组成及作用

太阳能离网发电系统由太阳能电池板、太阳能控制器、蓄电池(组)组成。如输出电源为交流 220V 或 110V,还需要配置逆变器。各部分的作用为:

太阳能电池板:太阳能电池板是太阳能发电系统中的核心部分,其作用是将太阳的光能转换为电能,或送往蓄电池中存储起来,或推动负载工作。

太阳能控制器:太阳能控制器的作用是控制整个系统的工作状态,并对蓄电池起到过充电保护、过放电保护的作用。控制器还 具备温度补偿的功能。其他附加功能如光控开关、时控开关等。

蓄电池:一般为铅酸电池,其作用是在有光照时将太阳能电池板所发出的电能储存起来,到需要的时候再释放出来。

逆变器:当需要提供 200VAC、110VAC 的交流电源时,由于太阳能电池板的直接输出一般都是12VDC、24VDC、48VDC 等。为能向220VAC的电器提供电能,需要将太阳能发电系统所发出的直流电能转换成交流电流,因此需要使用 DC-AC 逆变器。在某些场合,需要使用多种电压的负载时,也要用到 DC-DC 逆变器,如将24VDC的电能转换成 5VDC 的电能(注意 , 不是简单的降压)。

Functions Of The Components Of Solar Power Systems Off-grid solar power generation system consists of solar panels, solar controller, batteries (Group). Such as the output power supply for Ac 220v or 110v, also need to configure inverter. the role of the various parts as follows: Solar panels: solar panels solar power generation system in the central part of its role is to the sun's light energy is converted to electrical energy, or to the battery is stored up, or promote the work load. Solar Controller: Solar controller's role is to control the entire system working state, and played off battery charge protection, over discharge protection role。 Controller also has temperature compensation function。 other additional features such as light-control switch, when the control switch。 Batteries: lead-acid batteries generally, their role is when there is light emitted by solar panels save energy, to be released when needed. Inverter: when the need to provide 200vAc, 110vAc Ac power, due to the direct output of solar panels are generally 12vdc, 24vdc, 48vdc and so on. In order to provide electrical power to the 220vAc electrical needs to be issued by the solar power system to convert dc to Ac current, so need to use the dc-Ac inverter. In some cases, need to use a variety of voltage load, but also used in dc-dc inverter, if the 24vdc to 5vdc power converted into electrical energy (note that is not a simple step-down). 离网工程案例

2015 年9 月15 日,山东聊城2KW 离网电站

September 15, 2015,2kW off-grid power plant in Liaocheng city Shandong Province.
离网工程案例

2015 年5 月15 日,江苏南京12KW 离网电站

May 15, 2015, 12kW off-grid power plant in nanjing city, Jiangsu Province.
离网工程案例

2014 年6 月18 日,江苏扬州2KW 离网电站

June 18, 2014, 2kW off-grid power plant in yangzhou city,Jiangsu Province.

商用系统方案

商用系统方案

E-FRAME商用光伏系统

商用光伏系统

250w-60p E-FRAME光伏系统

  • 轻量化结构设计,大幅降低系统安装及运输的成本;

  • 专利设计,避免电位诱导降解,持久安全的发电保护;

  • 不破坏建筑结构,无需钻孔固定,无建筑结构防水隐患;

  • 使用美国杜绑聚合物高性能材料,耐腐蚀、抗11级大风;

  • 非贯穿系统、方便维护,适用于各类建筑的平面屋顶。

商用系统发电收益分析

系统容量(kwp) 占地面积(m*m) 年发电量(kwh) 年补贴金额(元) 全自发自用年省电费(元) 年发电收益(元)
30 300 42000 17640 42000 59640
50 500 70000 29400 70000 99400
80 800 112000 47040 112000 159040
100 1000 140000 58800 140000 198800

备注:1.系统发电量按照日均有效发电时数3.835小时来计算,实际发电量以项目当地日照条件为准;

          2.自发自用节省电费以1.0元/kwh为计算基准。

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