首先判断IEEE33节点的拓扑结构是否满足辐射状约束，然后采用牛顿拉夫逊法计算潮流，考虑分布式电源的不确定性，采用半步变量法进行随机潮流计算，仔细研究非常有用(First, determine whether the topology of IEEE33 nodes meets the radial constraint, and then use Newton Raphson method to calculate power flow, considering the uncertainty