Construction and Match Analysis of the Power Block Contact Model of Distribution Network

The graph theory was introduced for the power block contact based on topological connection between substations,and according to the basic principles of power block contact,four typical power block contact models with any number of interconnected substation were constructed.On this basis,the structural character indexes of power block model were defined,and the corresponding calculation methods were given.Then,considering various types and specific needs of power block contact areas,methods of matching recognition theory were used for match analysis between the area types and contact models,which provides the theory basis for different areas to choose appropriate contact models.The proposed construction models and match analysis will help to improve the regularity,rationality and scientificity of the distribution network construction and planning.