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A dynamic load management method and computer equipment for grid stability

A technology of dynamic load and management method, applied in the direction of AC network flicker reduction, electrical components, circuit devices, etc., can solve the problems of increasing power grid operation and operating costs, and achieve the effect of ensuring stability and reducing pollution

Active Publication Date: 2022-04-29
QINGHAI UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this passive approach will increase grid operation and operating costs

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  • A dynamic load management method and computer equipment for grid stability
  • A dynamic load management method and computer equipment for grid stability
  • A dynamic load management method and computer equipment for grid stability

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Embodiment Construction

[0039] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0040] With the continuous development of renewable energy power generation technology and total installed capacity, the challenges faced by the power grid have also increased. Large-scale new energy power generation connected to the grid will cause the voltage at the end of the power grid to rise and affect the stability of the power grid. When the voltage is too high If the power is too high, it will cause damage to electrical equipment, and in severe cases, the new energy power generation equipment will be disconnected from the grid; if the power of the branch circuit exceeds the limit, it will cause fire hazards in the branch circuit, which seriously threatens the normal operation of the entire power grid; If cer...

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Abstract

The present invention relates to a dynamic load management method and computer equipment oriented to grid stability. The method includes: obtaining the frequency overrun rate of the grid frequency within a preset time period; The random search algorithm calculates the fitness of each individual in each generation of the population, and the individual corresponding to the highest fitness is used as the power value of the data center that meets the stability requirements of the power grid. Calculation, the stability of the power grid includes: the frequency of the power grid is maintained within the normal range and the node voltage and branch power do not exceed the limit. The invention uses a random search algorithm to obtain the optimal real-time power value of the data center, so as to ensure that the stability of the power grid after grid connection is within a controllable range, and the effect of frequency stability is measured by the over-limit rate of the power grid frequency.

Description

technical field [0001] The invention relates to the field of power grid optimization, in particular to a dynamic load management method and computer equipment oriented to power grid stability. Background technique [0002] With the large-scale development of new energy power generation, the grid-connected capacity of wind and solar power generation is increasing year by year. Large-scale new energy power generation grid connection will cause the voltage at the end of the grid to rise and affect the stability of the grid. When the voltage exceeds a certain limit, household appliances will be damaged. Unable to use, in severe cases, the new energy power generation equipment will be disconnected from the grid; if the branch power exceeds the limit, it will cause fire hazards in the branch, which seriously threatens the normal operation of the entire power grid; secondly, if the frequency exceeds the reference value, certain control is not taken in time If the measures are taken...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00H02J3/24
CPCH02J3/002H02J3/24H02J3/241H02J2203/10H02J2203/20
Inventor 罗佩聪王晓英
Owner QINGHAI UNIVERSITY