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Low-voltage distribution network topology identification method based on unilateral optimization and genetic algorithm cooperation

A low-voltage distribution network and genetic algorithm technology, which is applied in the field of distribution network topology identification, can solve the problems of cumbersome work, long time, and inability to automatically update and identify, so as to improve efficiency, save money, and improve discrimination accuracy. Effect

Active Publication Date: 2021-01-19
江苏其厚智能电气设备有限公司 +1
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Problems solved by technology

[0006] The current identification of the low-voltage power distribution topology in the station area still relies on manual line inspection or intrusive installation of equipment, which requires manual participation, cumbersome work, long time, and cannot be automatically updated and identified. There is an urgent need for an adaptive The topological identification method of low-voltage distribution network in Taiwan area to solve the above problems

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  • Low-voltage distribution network topology identification method based on unilateral optimization and genetic algorithm cooperation
  • Low-voltage distribution network topology identification method based on unilateral optimization and genetic algorithm cooperation
  • Low-voltage distribution network topology identification method based on unilateral optimization and genetic algorithm cooperation

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Embodiment Construction

[0046] The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

[0047] 1. The low-voltage distribution network topology identification process based on the cooperation of unilateral optimization algorithm and genetic algorithm

[0048] The present invention takes the station area data collected by the actual operating system as a sample, builds a station area model that conforms to the nature of the low-voltage distribution station area, based on Kirchhoff's law, and according to the voltage, current, and active power of the low-voltage station area under normal conditions , reactive power and other electrical quantities, comprehensively use artificial neural network algorithms, unilateral optimization algorithms, genetic algorithms and other artificial intelligence optimization reasoning algorithms to search for the optim...

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Abstract

The invention discloses a low-voltage distribution network topology identification method based on unilateral optimization and genetic algorithm cooperation. The method comprises the following steps:reading electrical quantity data of distribution transformers and user ammeters in a distribution area, and screening and removing the electrical quantity data; determining an energy function taking the electrical quantity as a constraint; calculating a global optimal solution by adopting a genetic algorithm on the basis of the local optimal solution of the network topology; performing multi-section data sample verification and check based on a unilateral optimization construction method; and verifying the correctness, and outputting the topological connection relationship of a low-voltage distribution network under the condition that verification is correct. According to the invention, the low-voltage topological connection relationship of the transformer area is automatically inferred.

Description

technical field [0001] The invention relates to the technical field of distribution network topology identification, in particular to a low-voltage distribution network topology identification method based on cooperation of unilateral optimization and genetic algorithm. Background technique [0002] At present, there are mainly the following ways to distinguish the household-variable topology relationship in the low-voltage station area: [0003] 1. Line inspection method: For the power supply of users in the station area, the overhead line method is used. The traditional line inspection method starts from the outlet of the lower live wire of the user's meter box, traces the inspection line along the lower live line, and reaches the outlet end of the distribution transformer. Draw the wiring diagram and record the nameplate parameters and serial numbers of the equipment. The characteristics of this method are: heavy workload and low efficiency. Once the user changes the lin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06G06F17/18G06N3/12G06N3/02
CPCG06Q10/04G06Q50/06G06F17/18G06N3/126G06N3/02
Inventor 唐明群徐文孙大璟葛善虎高尚源
Owner 江苏其厚智能电气设备有限公司
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