Primary network-secondary network coordination type distributed power flow optimization method and related device

A distribution network optimization and optimization method technology, applied in the direction of AC networks with the same frequency from different sources, can solve problems such as computing and communication bottlenecks, reduce computing memory, improve power flow optimization efficiency, and reduce information exchange. Effect

Active Publication Date: 2019-05-21
GUANGDONG POWER GRID CO LTD +2
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Problems solved by technology

[0005] This application provides a main distribution network coordination distributed power flow optimization method and related equipment, which are used to solve the calculation and communication bottleneck problems of the existing centralized optimization degree method

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  • Primary network-secondary network coordination type distributed power flow optimization method and related device
  • Primary network-secondary network coordination type distributed power flow optimization method and related device
  • Primary network-secondary network coordination type distributed power flow optimization method and related device

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Embodiment Construction

[0042]The embodiment of the present application provides a distributed power flow optimization method for main distribution network coordination and related equipment, which are used to solve the calculation and communication bottleneck problems of the existing centralized optimization degree method.

[0043] In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the following The described embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0044] ADMM (Alternating Direc...

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Abstract

The present application provides a primary network-secondary network coordination type distributed power flow optimization method and a related device. The method of the present application comprises:dividing a power distribution network system model into a primary network model and a secondary network model according to a topological relationship of the power distribution network system model; establishing a primary-secondary coordination type power flow optimization model according to a preset power flow optimization target threshold; respectively establishing a primary network ADMM iterative optimization model and a secondary network ADMM iterative optimization model by an alternating direction multiplier calculation mode according to the primary-secondary coordination type power flowoptimization model; and performing iterative operation on the primary network ADMM iterative optimization model and the secondary network ADMM iterative optimization model to obtain current primary network optimization parameters and secondary network optimization parameters. The present application is based on the primary-secondary coordination type distributed power flow optimization method of atarget synchronization type alternating direction multiplier method without the need for a unified upper optimization center, solves the calculation and communication bottleneck problems of the existing centralized optimization method in a distributed computing mode, and increases the power flow optimization efficiency of primary-secondary coordination.

Description

technical field [0001] The present application relates to the field of distribution network management optimization, in particular to a method for coordinating distributed power flow optimization of a main distribution network and related equipment. Background technique [0002] As massive distributed flexible loads are connected to the distribution network, the operation mode of the actual distribution network has undergone tremendous changes. The traditional dispatching mode can no longer meet the actual operation needs. Regulating a large number of multi-variable flexible loads, so as to achieve the balance between the supply side and the demand side of the distribution network, and realize the optimal dispatch under the access of massive distributed flexible loads, has become an urgent problem for electric power workers to solve. [0003] At present, the optimal scheduling methods of the main network and the distribution network are all centralized optimal scheduling met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/06
Inventor 何祥针曾凯文余涛郑宝敏程乐峰
Owner GUANGDONG POWER GRID CO LTD
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