pv work

For the PV battery charging system, research on the MPPT algorithm about converter duty cycle regulation based on the character of battery and work status of the circuit. From the research result shows that the system can catch the 90% energy from the input.

针对光伏蓄电池充电系统，根据对蓄电池充电特性的研究结合主电路工作特性，研究调节变器占空比的MPPT算法，在实现系统中得到验证其能源利用率可达90%以上。

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It also analyzes the application of Perturbation and Observation Method in MPPT which enables the PV batteries to work at MPP with Maximum Power Output ( MPO).

主要浅析了扰动观察法在最大功率点跟踪时的运用，并对传统扰动观察法进行了改进，从而使得光伏电池始终工作在最大功率点并输出最大功率。

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The simulation results on the coordinated control scheme show that, the wind and PV can work on the maximum power point and the battery realize charging and discharging.

对协调控制方案进行了仿真，结果表明，风力机和光伏电池分别实现了最大功率点跟踪，蓄电池完成了充放电，系统根据负载的变化协调控制风光储的输出。

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Mismatched PV strings timely isolation from system, the impact on the system is presented by the detection of power matching. Modular PV system can work in several different system structure.

通过功率匹配检测，及时将失配光伏串从系统隔离，防止失配光伏串对系统造成影响，使组合式光伏发电系统可以工作在几种不同的系统结构。

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Through the load control, PV system can work at the max power point in a variety of illumination and temperature conditions, achieving the max power point tracking.

通过对负载的控制，可以使光伏阵列在各种不同的日照和温度条件下都能工作在最大功率点，实现逆变器的最大功率点跟踪。

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