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Method of reconstructing power distribution network containing distributed power supply

A distributed power supply and power distribution network technology, applied to AC network circuits, electrical components, circuit devices, etc., can solve problems such as long optimization time, infeasible solutions, and local optimal solutions

Inactive Publication Date: 2015-06-24
STATE GRID CORP OF CHINA +2
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Problems solved by technology

The heuristic algorithm converts the combined operation problem of the switch into the heuristic single-opening problem of the switch, which simplifies the complex problem. The disadvantage is that the topology adjustment result is closely related to the heuristic rules, and it is easy to converge to the local optimal solution.
Theoretically speaking, the intelligent method can converge to the optimal solution, and the algorithm has relatively loose requirements on the initial conditions and objective functions, so it is relatively simple to implement, but a large number of infeasible solutions will be generated during the iterative process, and there is a long search time , and sometimes fall into local optimal solutions and other shortcomings

Method used

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  • Method of reconstructing power distribution network containing distributed power supply
  • Method of reconstructing power distribution network containing distributed power supply
  • Method of reconstructing power distribution network containing distributed power supply

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Embodiment Construction

[0048] The method for reconfiguring a power distribution network including distributed power sources provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049] Such as figure 1 As shown, the distribution network reconfiguration method containing distributed power sources provided by the present invention includes the following steps performed in order:

[0050] Step 1) Prepare raw data: According to the operating status of the distribution network, collect the raw data of the distribution network, including branch parameters, loads under various load modes, and branch switch status, etc.;

[0051] Step 2) set algorithm parameters: set particle swarm algorithm parameters, including population size, inertia weight range, acceleration coefficient and speed value range, etc.;

[0052] Step 3) Initialization: Set the number of iterations to 0, initialize the positions and velocities of all pa...

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Abstract

The invention provides a method of reconstructing a power distribution network containing a distributed power supply. A network topology adjusting module considering various load modes is established according to actual operation conditions of the power distribution network and has good practical value. Meanwhile, topological adjusting is performed by means of a binary particle swarm optimization algorithm according to features of network topology adjustment; a dynamic inertial weight adjusting mode is provided; better coordination with global convergence speed and local convergence precision is provided; optimizing effect is better; the topological adjustment results and analysis of an IEEE-33 node typical distribution system show that the method is effective and practical.

Description

technical field [0001] The invention belongs to the related field of optimization control of a distribution network containing distributed power sources, in particular to a method for reconfiguring a distribution network containing distributed power sources. Background technique [0002] As an important link between power generation and transmission systems and end users, the distribution network directly faces the end users of electric energy, and is one of the key links to ensure the quality of power supply and improve the efficiency of power grid operation. In recent years, with the massive access of distributed power generation in the distribution network, the distribution network is facing an unprecedented uncertain external environment, which brings unprecedented challenges to the safe operation of the distribution network. On the one hand, distributed power generation can make full use of clean and renewable energy such as wind energy and solar energy for power genera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00G06N3/00
CPCH02J3/00G06N3/00
Inventor 刘聪迟福建刘明志孟健
Owner STATE GRID CORP OF CHINA
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