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Power load operation control method based on load curve clustering of major clients

A load curve and operation control technology, applied in the field of power system, can solve the problem that the analysis of customer load characteristics and power consumption characteristics can be interrupted load scale is not detailed enough, hinders the improvement of power load management level and efficiency, and is difficult to achieve power load optimization control. And other issues

Inactive Publication Date: 2015-06-03
LONGSHINE TECH
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Problems solved by technology

[0003] The traditional power load operation control is based on the analysis of the business classification of the power grid company, without the application of advanced data analysis methods such as cluster analysis, resulting in insufficient analysis of customer load characteristics, power consumption characteristics, and interruptible load scale, which hinders the power grid. With the improvement of load management level and efficiency, it is difficult to realize the optimal control of power load operation

Method used

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  • Power load operation control method based on load curve clustering of major clients
  • Power load operation control method based on load curve clustering of major clients
  • Power load operation control method based on load curve clustering of major clients

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Embodiment Construction

[0046] Embodiment of the present invention: a power load operation control method based on key customer load curve clustering, such as figure 1 shown, including the following steps:

[0047] 1. Obtain the point load data of each major customer, identify bad data, and correct the bad data

[0048] (1) If the obtained whole-point load data is greater than the connection capacity or less than zero, it is confirmed as bad data;

[0049] (2) Replace the values ​​at the same point on other dates with the same capacitance or use smooth curves to deal with bad data.

[0050] 2. Normalize the whole-point load data of each key customer, calculate the daily average load curve of each key customer, and obtain the load characteristics (such as figure 2 shown)

[0051] 1. Normalization processing

[0052] formula Among them, ob represents the serial number of the major key customers; i∈[1~31] represents the day; j∈[0~23] represents the hour; P ob,i,max ,P ob,i,min Respectively repr...

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Abstract

The invention discloses a power load operation control method based on load curve clustering of major clients. The method comprises the following steps: S1, acquiring integral point data of each major client, recognizing bad data, and correcting the bad data; S2, normalizing the integral point data of each major client, calculating the daily average load curve of each major client, and obtaining the load characteristics; S3, performing model clustering calculation for the daily average load curve of each major client to obtain various major client sets, and calculating the power consumption characteristics of various major client sets; S4, performing time quantum clustering calculation for the load characteristics of each major client to obtain a target set, counting the interruptible load in the target and the resulting cost, and calculating the scale of the interruptible load; S5, comparing and analyzing the power consumption characteristics of various major client sets and the scale of the interruptible load, and controlling the load operation. With the adoption of the method, the power load management level and efficiency can be increased, and the power load operation can be optimally controlled.

Description

technical field [0001] The invention relates to an electric load operation control method based on clustering of key large customer load curves, and belongs to the technical field of electric power systems. Background technique [0002] The load curve is a graph that represents the change of various electric loads in the power system with time. It can intuitively reflect the characteristics and laws of power consumption of users, and is the basis for dispatching power in the power system and planning the power system. The load of the power system involves various users in a wide area. The power consumption of each user is very different, and it is impossible to know in advance when, where, and which type of load will be added. Therefore, the load change of the power system has randomness. [0003] The traditional power load operation control is based on the analysis of the business classification of the power grid company, without the application of advanced data analysis m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/06
Inventor 陈登友黄永凯王晓雯郭富磊
Owner LONGSHINE TECH
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