文 章分析了光伏阵列输出能量特点和蓄电池充电特点，提出了一种新的控制方法，并 设计出基于AVR单片机的光伏系统充电控制器。试验证明该控制器在充分利用光伏阵列能量 同时能提高蓄电池充电效率，较理想地实现了对光伏系统中储能蓄电池的充电控制。-ATh isp apera nalyzesth ee nergyo utputc haracteristico fP Va rraya ndt hec hargea nd discharge characteristic of batteries,

This research involves uating the use of FPGA for the detection and counting of partial discharge (PD) signals in underground cables (XLPE cables). PD detection model was designed one using MATLAB and another using VHDL.-This research involves