云的计算方法说明，中点偏移算法的详细说明及修改-Cloud computing instructions, a detailed descr iption of the midpoint offset algorithm and modify

The midpoint method is not the only second-order Runge–Kutta method with two stages there is a family of such methods, parameterized by α and given by the formula-The midpoint method is not the only second-order Runge–Kutta method with two stages th

提出一种新颖的高效率六开关逆变器(H6)拓扑，解决了无变压器单相光伏并网逆变器漏电流问题。 仿真与实验验证了该拓扑具有低共模电压、高质量的并网波形和高效率特征-This paper proposed a novel, high efficiency, transformerless single phase photovoltaic grid-connected inverter with six active switches that alleviate leakage current