太阳能电池封装本文介绍了一种实际应用中的光伏电池、光伏组件和光伏阵列的精确模型，阐述了光照和温度对 输出电压、电流和功率的影响。最后参照DQ240PSCa/b型号的电池板详细参数进行仿真，对比了仿真结果。 -This paper describes a practical application of photovoltaic cells, photovoltaic modules and photovoltaic arrays accurate model to explain the

安卓apk:（带负荷判方向）由有功无功计算电压超前电流的角度，由电压电流及其角度计算有功无功。-Voltage leading current by active idle computational point of view, the current and voltage angle calculation of active power reactive power without.

变电站谐波状态估计程序，通过量测两个节点的电压和电流，计算得到另一个节点的电压电流相量，两个量测节点相角不同步，以一个节点相角为基准。-Substation harmonic state estimation procedure, by measuring the voltage and current of two nodes, one node is calculated voltage and current phasor, two phase angle measurement node

Modbus协议开发，通过Modbus协议开发，可以获取机房内冷却设备，电流，电压等信息-Modbus protocol development, through the Modbus protocol development, you can get the engine room cooling equipment, current, voltage and other information