对IEEE33节点系统进行配电网重构，利用基本粒子群迭代优化，采用前推回代计算潮流，有中文注释，是初学者必备的程序教程(Reconfiguration of the distribution network of the IEEE33 node system, using the basic particle swarm iterative optimization, using the pre-push back to the calculation of the trend, with Ch