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pv array
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  光伏方阵
     Research on outdoor test system of 1 kW PV array
     1 kW晶体硅光伏方阵户外测试系统
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     The design consists of a PV array, a 12-volts lead acid battery, DC_DC Boost converters (also known as step-up up converters) and a control section that uses the PC-7401. The control section obtains the information from the PV array through PC s Analog and Digital (A/D) ports and hence to perform the pulse width modulation (PWM) to the converter through its D/A ports.
     含有最大功率跟踪器的光伏系统包括光伏电池、12伏的酸性蓄电池、BOOST升压转换电路以及使用测控卡PC-7401与PC机相联的系统控制单元。 控制单元通过A/D转换从光伏方阵获取状态信息,经算法程序处理后控制单元从D/A端口输相应的PWM信号驱动BOOST电路工作。
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     The thesis introduces an applicable outdoor test system of PV array. The systemuses TMS320LF2407A as controller and GTR as electronic load. The system canautomatically measure electrical parameters of PV array, such as Voc, Ism, Pm, Vm,Im.
     本文介绍了一种实用的晶体硅光伏方阵户外测试系统的设计方案,该系统采用TI公刊的TMS320LF2407A作为控制器,以GTR作为电子负载,实现对光伏方阵Voc、Isc、Pm、Vm、Im、FF等参数的自动测试,记录太阳辐照度以及环境温度,并且将其实测结果外推到标准条件。
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     With the simple calculation method of changing correlative depth of discharge,a series of array/storage combination corresponding to different LOLP can be achieved,thus optimum PV array and storage battery capacity can be obtained.
     通过改变相应放电深度的简便计算方法,即可得到相应于不同负载缺电率的一系列光伏方阵与蓄电池容量组合,从而确定最佳的方阵和蓄电池容量。
短句来源
     Research on Outdoor Test System of PV Array
     光伏方阵户外测试系统的研究
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  光伏阵列
     2. A novel control strategy is developed in which power variation of load is used instead of the power variation of PV array output to track the maximum power point of PV array. And TMPPT of PV array is realized by applying the variable step voltage disturbance control algorithm.
     2.发展了以负载获得功率的变化代替传统的以光伏阵列输出功率的变化来进行最大功率跟踪的控制策略,在控制算法上采用改进的变步长电压扰动法,实现了光伏阵列的真正最大功率点跟踪(TMPPT);
短句来源
     Three loop configuration for whole control system is built: the grid current loop, Z-Source capacitance voltage loop and PV array output voltage loop.
     通过电路结构和控制目标将变换器控制系统分为三个闭环结构:并网交流电流环、Z源电容电压环、光伏阵列输入电压环。
短句来源
     2. Some studies on the maximum power point tacking of the PV array, and the true maximum power point tracking (TMPPT) is realized by self-optimizing control.
     2.研究了光伏阵列的最大功率点跟踪,并采用自寻优技术实现太阳能光伏阵列真正的最大功率点跟踪(TMPPT)。
短句来源
     It starts with an examination of the demands requested by the power grid, the PV array and the users for the inverters. Then follows a review to see how these demands are achieved with all sorts of topologies and control strategies of inverters and accordingly the working efficiency and control effect are compared.
     从电网、光伏阵列以及用户对逆变器的要求出发,分析了各种不同的逆变器拓扑结构与控制方法,比较其运行效率和控制效果。
短句来源
     Simulation is carried out using the actual voltage and current data,and the output voltage and current simulation characteristic curve is given. Quadratic polynomials are used to imitate the real PV array's I-V characteristic curve in several sections. Buck circuit is used to design the PV array's simulator based on the analysis,current feedback PI control is also used to achieve fast dynamic response and high precision of output.
     文章分析了光伏电池阵列的输出电压电流特性,根据光伏阵列实际电压电流参数进行了仿真,给出了输出电压电流特性的仿真曲线,利用多项式对特性曲线进行了分段拟合,在此基础上利用BUCK电路设计了光伏电池阵列模拟器,采用输出电流反馈PI调节提高了系统的动态性能以及稳态精度。
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  “pv array”译为未确定词的双语例句
     The Incremental Conductance (INC) and perturbation and observation (P&O) method is used to track the maximum power point of the PV array.
     论文中采用干扰观察法(P&O)和增加电导法(INC)进行功率跟踪。
短句来源
     According to the large number of experiments,the system efficiency was 77.8%,and the charging and discharging circle efficiency of the UC bank was 92.5%. System stability was validated when the input power of the PV array was fluctuating greatly and when the load power was suddenly changed.
     仿真及实验结果表明,系统的总体效率为77.8%,超级电容器组的充放电效率为92.5%,系统在光伏输入功率大幅波动以及负载突变时具有很好的稳定性。
短句来源
     2) the selection algorithm of step size based on theterminal voltage of the PV array: the selection of step size of speed command.
     2)基于太阳能电池阵列电压的变步长算法:给定频率f变化大小。
短句来源
     Matching Design of PV Array Power and Battery Capacity in the Stand-alone Photovoltaic System
     独立光伏系统中光伏功率与蓄电池容量的匹配设计
     3. To develop a optimized control way for MPPT(Maximal Power Point Tracking) of the PV array. The stability of the system has been discussed.
     3.研究了直流无刷电机驱动之光伏水泵系统中最大功率跟踪过程的控制方式,探讨了系统运行的稳定性并采用单片机实现了经优化的最大功率跟踪控制。
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  pv array
Wind from the south produced no uplift forces on the PV array.
      
The theory provides a useful tool to system engineers to precisely argument the PV array for particular BVR and interconnecting wires.
      
The remaining energy source to consider in the Healthy Home/standard home comparison is the 1.5 kW PV array.
      
The system utilized modest amounts of battery storage in conjunction with a PV array to achieve firm peak shaving for commercial building operators.
      
The plates are laid out in rows and columns as required for the size and geometry of the PV array to be mounted.
      
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Based on the factor that is defined as the ratio of the load input power to solar PV array maximum power as a function of the solar time, a voltage optimum matching is analysed and computed in a small direct-coupling photovoltaic system of a battary and solar array This paper focuses on the implementation method of voltage optimum matching, the results is significant to the manufacturing of solar array

利用匹配因子概念,以全晴天为例,对蓄电池和太阳电池方阵直接耦合的小型光伏系统二者之间电压的最佳匹配进行仿真计算,给出了获得电压匹配的实现方法。所得结果对确定太阳电池组件生产规格具有一定意义,精心处理会带来明显的经济效益。

This paper presents an on-off controller used for PV pump and describesits performance and characteristics.A piece of amorphous Si solar cell is usedas a insolation sensor for the controller.A PV-powered water pump systemequipped with the controller can be started and stopped in response to the le-vel of solar irradiance.Although the output current from a PV array in theirradiance is lower than starting current which is higher than a minimumrunning current.the controller can provide enough...

This paper presents an on-off controller used for PV pump and describesits performance and characteristics.A piece of amorphous Si solar cell is usedas a insolation sensor for the controller.A PV-powered water pump systemequipped with the controller can be started and stopped in response to the le-vel of solar irradiance.Although the output current from a PV array in theirradiance is lower than starting current which is higher than a minimumrunning current.the controller can provide enough current to start the systemunder the poor condition.

本文介绍了一种由太阳辐射强度控制光伏水泵系统启动和停止的自动控制器,并给出它的性能及线路特点。该控制器用小片非晶硅太阳电池作光强取样元件,对日照强度的变化反应灵敏而对短时间的荫蔽不予响应,并可在光伏方阵输出最大电流小于水泵电机启动电流的情况下启动光伏水泵系统运行,可实现系统的无人值守。

Photovoltaic pumping systems are widely used due to their simplicity and reliability. "Directly coupled" systems are currently in general use, where a PV array is directly coupled to a motor-pump group. The group is not, however, working at its optimum operation point. In this paper, a "switching-mode" PV pumping system is presented. The system introduces a battery and a controller between the PV array and the motor-pump group. The objective is maximum utilization of available solar energy....

Photovoltaic pumping systems are widely used due to their simplicity and reliability. "Directly coupled" systems are currently in general use, where a PV array is directly coupled to a motor-pump group. The group is not, however, working at its optimum operation point. In this paper, a "switching-mode" PV pumping system is presented. The system introduces a battery and a controller between the PV array and the motor-pump group. The objective is maximum utilization of available solar energy. A detailed analysis is given.

太阳能光电水泵由于其简单可靠,在无电地区得到了广泛的应用.目前一般的光电水泵系统都是采用直联方式,即光伏方阵直接与电机水泵机组相连接.然而,在这种情况下,电机水泵机组并不在其最佳工作点运转.本文介绍一种转换连接方式,即在光伏方阵与电机水泵机组之间加上蓄电池和控制器,这样可充分利用光伏能量.本文对此进行了较详细的分析.

 
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