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A reactive power control method for power grid based on deep generation load forecasting

A technology for power generation load and power control, applied in reactive power compensation, AC networks with the same frequency from different sources, single-network parallel feeding arrangement, etc., can solve deviations, affect the service life of regulating equipment, and have large fluctuations in output, etc. problem, to achieve the effect of intelligent balance

Active Publication Date: 2022-06-03
STATE GRID FUJIAN ELECTRIC POWER CO LTD +2
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Problems solved by technology

[0002] There are many types of traditional modern power grid loads and distributed renewable energy sources, and the output fluctuates greatly
Different types of loads and changes in the output of distributed power sources cause deviations between the reactive power data of the grid power flow calculations and the actual node reactive power, which affects the accuracy of power flow calculations
The existing AVC is an ex-post control strategy, which cannot effectively meet the reactive power adjustment requirements of the grid under the circumstances of new energy generation and load reactive power fluctuations. Frequent adjustments will affect the service life of the adjustment equipment.

Method used

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  • A reactive power control method for power grid based on deep generation load forecasting
  • A reactive power control method for power grid based on deep generation load forecasting
  • A reactive power control method for power grid based on deep generation load forecasting

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Embodiment Construction

[0032] The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] like figure 1 As shown in the figure, the present invention provides a grid reactive power control method based on deep power generation load prediction. First, a deep learning method is used to carry out time-series progressive and accurate prediction of day-to-day and real-time power generation and load; then reinforcement learning is used according to the predicted value. The idea of ​​​​optimizing and adjusting the time series flow. The specific implementation steps of this method are as follows:

[0034] S1. Enter {time-generation-load} historical data for N days

[0035] For the accuracy of the algorithm, the present invention uses three years of power generation and load data for analysis, and divides the data into training data and test data in a ratio of 4:1.

[0036] The types of historical data are divided into: day-ahead...

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Abstract

The invention relates to a power grid reactive power control method based on deep power generation load forecasting. Firstly, the deep learning method is used to make time-series progressive and accurate predictions of day-ahead and real-time power generation and load; then, according to the predicted value, the idea of ​​reinforcement learning is used to optimize the adjustment of time-series power flow. The invention realizes the intelligent balance of power flow and reactive power of the power grid through the precise prediction of new energy power generation and load and the automatic adjustment of reactive power of the power grid by means of reinforcement learning.

Description

technical field [0001] The invention relates to the field of grid planning and protection operation, and more particularly, to a grid reactive power control method based on deep power generation load prediction. Background technique [0002] There are many types of traditional modern power grid loads and distributed renewable energy sources, and the output fluctuates greatly. The output changes of different types of loads and distributed power sources cause deviations between the node reactive power data of grid power flow calculation and the actual node reactive power, which affects the accuracy of power flow calculation. The existing AVC is an ex post control strategy, which cannot effectively deal with the reactive power regulation requirements of the grid under the situation of new energy generation and load reactive power fluctuations, and frequent regulation will affect the service life of the regulating equipment. In order to solve this problem, the present invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/06H02J3/50
CPCH02J3/06H02J3/50Y02E40/30
Inventor 唐雨晨林毅方朝雄吴威严通煜王康元
Owner STATE GRID FUJIAN ELECTRIC POWER CO LTD
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