A method and device for access planning of energy routers in a park distribution network
A distribution network and router technology, which is applied in the direction of circuit devices, AC network circuits, instruments, etc., can solve the problem that the installation position of the energy router is not compatible with the structure of the distribution network, and achieve the effect of improving safety
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Embodiment 1
[0074] by figure 2 The shown 33-node (N=33) park radiation distribution network is taken as an example, the present invention is applied to access 5 energy routers (N ER =5) Perform planning to determine the access location.
[0075] Step 1: Obtain the topology structure of the campus power distribution network including N nodes, and number the nodes from 0 to N-1.
[0076] The topological structure of the distribution network in the park is a radial distribution network, and the numbering method is as follows:
[0077] ①Number the node at the entrance of the radial distribution network containing N nodes as node 0, and use this node as the current numbering starting point;
[0078] ② Select the starting point of the current number in the radial distribution network as the head end of a line, the end node of any line connected to the head end as the end, and select a branch connecting the head end and the end as the trunk line;
[0079] ③ For the nodes on the trunk line, n...
Embodiment 2
[0131] An energy router access planning device for a power distribution network in a park, comprising:
[0132] The voltage improvement degree index calculation module is used to obtain the topology structure of the park radiation distribution network including N nodes, and number the nodes; obtain the line impedance parameters of the park distribution network; construct the active power sensitivity matrix and Reactive power sensitivity matrix; calculate the voltage improvement index of nodes in the distribution network of the park according to the active power sensitivity matrix and the reactive power sensitivity matrix;
[0133] The energy router access point determination module is used to sort the nodes according to the node voltage improvement index from large to small to obtain the energy router access priority sequence; based on the energy router access priority sequence, repeat N ER Secondary access node selection operation and interval node elimination operation, dete...
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