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Load prediction method considering demand response

A technology of load forecasting and demand response, which is applied in the field of power systems, can solve the problems of limited processing data scale and operating speed, and achieve the effect of improving the forecasting speed

Active Publication Date: 2021-10-15
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above algorithms have certain defects, mainly because the scale of processing data and the speed of operation are limited.

Method used

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  • Load prediction method considering demand response
  • Load prediction method considering demand response
  • Load prediction method considering demand response

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment provides a load forecasting method considering demand response, including the following steps:

[0040] Carry out cluster analysis on the historical sample data, filter out the historical time period with similar influence factors on the day to be predicted, and use it as the historical similar day;

[0041] Input the data of influencing factors of historical similar days and days to be predicted into the pre-trained load forecasting model, forecast demand response load and base load respectively, and add up the two parts of the forecast results to obtain the final load forecast result;

[0042] Wherein, the training method of the load forecasting model includes: establishing a load forecasting model based on the TCN algorithm, using the data of influencing factors of known load results as data samples, and training the established load forecasting model until convergence;

[0043] The known load results of the data samples include demand response load a...

Embodiment 2

[0062] This embodiment provides a load forecasting device considering demand response, which is characterized in that it includes:

[0063] The data analysis module is used to perform cluster analysis on the historical sample data, and filter out the historical period similar to the influencing factors on the day to be predicted, and use it as a historical similar day;

[0064] The load forecasting module is used to input the data of influencing factors of similar historical days and days to be forecasted into the pre-trained load forecasting model, forecast the demand response load and the basic load separately, and add the two parts of the forecast results to obtain the final load Prediction results; wherein, the load forecasting model is established based on the TCN algorithm, which is used to use the data of the influencing factors of known load results as data samples to train the established load forecasting model until convergence; the demand response load data is establ...

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Abstract

The invention discloses a load prediction method considering the demand response, and the method comprises the following steps: carrying out the clustering analysis of historical sample data, screening out a historical time period which is similar to the influence factor of a to-be-predicted day, and taking the historical time period as a historical similar day; inputting the historical similar day data and the influence factor data of the to-be-predicted day into a pre-trained load prediction model, respectively predicting a demand response load and a basic load, and adding the two prediction results to obtain a final load prediction result; wherein the training method of the load prediction model comprises the following steps: establishing a load prediction model based on a TCN algorithm, taking influence factor data of a known load result as a data sample, and training the established load prediction model until convergence. According to the method, the prediction model is constructed based on the TCN algorithm, and the TCN adopts causal convolution and expansion convolution, so parallel processing of large-scale data can be realized, and the prediction speed is obviously improved.

Description

technical field [0001] The invention relates to a load forecasting method considering demand response, belonging to the technical field of electric power systems. Background technique [0002] The load forecasting level of the power system is one of the important symbols to measure the operation and management level of the power system. The modern power system has the characteristics of complex structure, expanded capacity, and numerous nodes. It is directly related to the operation safety and economic benefits of the system. [0003] At present, load forecasting methods mostly focus on the forecasting of traditional load data, and seldom consider the impact of demand response on load fluctuations. With the continuous improvement of my country's electricity market, the types and scale of demand-side resources continue to increase, and demand response is having a non-negligible impact on load changes. Therefore, it is urgent to propose a load forecasting method that consider...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/27G06Q10/04G06Q50/06G06K9/62G06N3/04
CPCG06F30/27G06Q10/04G06Q50/06G06N3/045G06F18/23G06F18/22
Inventor 李婧娇黄克昌张庆虎
Owner NANJING INST OF TECH