光伏、光伏效应：全称为光生伏特效应。是由于物体吸收了光子而产生电动势的现象。当物体受光照时，物体内部的电荷分布状态发生变化而产生电动势和电流的一种效应。

　　Photovoltaic, photovoltaic effect: The full name is the photovoltaic effect. It is a phenomenon where an object absorbs photons and generates an electromotive force. When an object is illuminated, the distribution of charges inside the object changes, resulting in an effect of electromotive force and current.

　　光伏发电：利用光生伏特效应，将太阳能直接转化为电能的发电技术。

　　Photovoltaic power generation: A power generation technology that utilizes the photovoltaic effect to directly convert solar energy into electrical energy.

　　计量单位：瓦（W）、千瓦（KW）、兆瓦（MW）、吉瓦（GW）、太瓦（TW）。

　　Measurement units: watts (W), kilowatts (KW), megawatts (MW), gigawatts (GW), and terawatts (TW).

　　计算公式：1TW=1000GW=1000000MW=1000000000KW=1000000000000W

　　Calculation formula: 1TW=1000GW=1000000MW=1000000000KW=10000000000W

　　1MW=1000KW

　　1MW=1000KW

　　电的能量单位：千瓦时（KWh）即1KWh的电能即为1度电。

　　The energy unit of electricity is kilowatt hours (KWh), which means 1 kilowatt hour of electricity is equivalent to 1 kilowatt hour of electricity.

　　逆变器：太阳能光伏发电系统中的关键设备之一，其作用是将太阳能电池发出的直流电转化为符合电网电能质量要求的交流电。

　　Inverter: One of the key equipment in solar photovoltaic power generation systems, its function is to convert the direct current generated by solar cells into alternating current that meets the quality requirements of the power grid.

　　组串式逆变器：组串式逆变器是对几组（一般为 1-4 组）光伏组串进行单独的最大功率峰值跟踪，再经过逆变以后并入交流电网，一台组串式逆变器可以有多个最大功率峰值跟踪模块，功率相对较小，主要应用于分布式发电系统，集中式光伏发电系统。

　　Series inverter: Series inverter is a device that tracks the maximum power peak of several sets (usually 1-4 sets) of photovoltaic strings separately, and then integrates them into the AC power grid after inversion. A series inverter can have multiple maximum power peak tracking modules with relatively small power, mainly used in distributed power generation systems and centralized photovoltaic power generation systems.

　　装机容量：太阳能电池经过串联后进行封装保护可形成大面积的太阳电池组件，再配合上功率控制器等部件就形成了光伏发电装置，这种装置的发电功率就是装机容量。

　　Installed capacity: After being connected in series and packaged for protection, solar cells can form large-area solar cell modules, which are combined with power controllers and other components to form a photovoltaic power generation device. The power generated by this device is the installed capacity.

　　容配比：光伏电站的组件容量与逆变器容量之比。（容配比＝光伏系统安装容量／光伏系统额定容量），在一定范围内适当提高容配比，可以提高其他设备的利用率，摊薄投资成本，降低造价和发电成本，还可让输出更平滑，提高电网友好性。

　　Capacity ratio: The ratio of the component capacity of a photovoltaic power station to the inverter capacity. (Capacity ratio=installed capacity of photovoltaic system/rated capacity of photovoltaic system), appropriately increasing the capacity ratio within a certain range can improve the utilization rate of other equipment, dilute investment costs, reduce costs and power generation costs, and also make the output smoother, improving grid friendliness.

　　AGC：自动发电控制（Automatic Generation Control），即有功控制系统，接收远动装置信号，响应调度下发的遥调指令，通过AGC模块总策略优化计算，使运行数据满足调度并网要求。

　　AGC: Automatic Generation Control, also known as active power control system, receives signals from remote control devices, responds to remote adjustment instructions issued by scheduling, optimizes and calculates the overall strategy of the AGC module, and ensures that the operating data meets the requirements of scheduling and grid connection.

　　AVC：自动电压控制（Automatic Voltage Control），即无功电压调节，根据电网电压曲线，快速响应调度指令，自动调节无功功率、无功补偿装置等控制策略及响应时间，达到电压调节目标，降低网损。

　　AVC: Automatic Voltage Control, which refers to reactive voltage regulation. Based on the voltage curve of the power grid, it quickly responds to scheduling instructions, automatically adjusts control strategies and response time such as reactive power and reactive compensation devices to achieve voltage regulation goals and reduce network losses.

　　光伏电站低压穿越技术（Low Voltage Ride Through）：是指当电网故障或扰动引起的光伏电站并网点电压波动时，在一定的范围内，光伏电站能够不间断地并网运行。

　　Low Voltage Ride Through technology for photovoltaic power plants refers to the ability of photovoltaic power plants to operate continuously within a certain range of grid connected voltage fluctuations caused by grid faults or disturbances.

　　平均转换效率：衡量太阳能电池将光能转换为电能能力的指标。太阳能电池的最佳输出功率与投射到其表面上的太阳辐射功率之比。

　　Average conversion efficiency: an indicator of the ability of a solar cell to convert light energy into electrical energy. The ratio of the optimal output power of a solar cell to the solar radiation power projected onto its surface.

　　平准化度电成本：Levelized Cost of Energy，缩写为 LCOE，简称度电成本。对项目生命周期内的成本和发电量先进行平准化，再计算得到的发电成本，即生命周期内的成本现值/生命周期内的发电量现值。

　　Levelized Cost of Energy, abbreviated as LCOE, abbreviated as kWh cost. The cost and power generation within the project lifecycle are first leveled, and then the power generation cost is calculated, which is the present value of cost over the lifecycle divided by the present value of power generation over the lifecycle.

　　平价上网：包括发电侧平价与用户侧平价两层含义。发电侧平价指的是光伏发电即使按照传统能源的上网电价收购（无补贴）也能实现合理利润；用户侧平价指的是光伏发电成本低于售电价格，根据用户类型及其购电成本的不同，可分为工商业、居民用户侧平价。

　　Affordable internet access: includes two layers of meanings: generation side parity and user side parity. Power generation parity refers to the ability of photovoltaic power generation to achieve reasonable profits even if purchased at the grid price of traditional energy sources (without subsidies); User side parity refers to the fact that the cost of photovoltaic power generation is lower than the selling price, and can be divided into industrial, commercial, and residential user side parity based on the type of user and their purchasing cost.

　　标杆上网电价：国家发改委制定电网公司对集中式光伏电站并网发电电量的收购价格（含税）。

　　Benchmark grid electricity price: The National Development and Reform Commission sets the purchase price (including tax) for centralized photovoltaic power station grid connected power generation by power grid companies.

　　发电设备利用小时数：一定时期内一个地区平均发电设备容量在满负荷运行条件下的运行小时数，即发电量与平均装机容量之比，反映了该地区发电设备利用率。其公式为利用小时数＝发电量／装机容量（注意单位）

　　The utilization hours of power generation equipment: the average operating hours of a region's power generation equipment capacity under full load operating conditions during a certain period of time, which is the ratio of electricity generation to average installed capacity, reflecting the utilization rate of power generation equipment in that region. The formula is utilization hours=power generation/installed capacity (pay attention to units)

　　年利用小时数：发电机组在1年内平均的满负荷运行时间；在每年的8760h中，发电设备利用小时数所占的比重，又称为“设备利用率”。

　　Annual utilization hours: the average full load operation time of a generator set within one year; The proportion of utilization hours of power generation equipment in the annual 8760 hours is also known as "equipment utilization rate".

　　本文由 光伏发电 友情奉献.更多有关的知识请点击  http://www.zdnygf.com   真诚的态度.为您提供为全面的服务.更多有关的知识我们将会陆续向大家奉献.敬请期待.

　　This article is dedicated to the friendship of photovoltaic power generation. For more related knowledge, please click http://www.zdnygf.com Sincere attitude. We will provide you with comprehensive service. We will gradually contribute more relevant knowledge to everyone. Stay tuned