Short-term and long-term forecasting method of enterprise electricity sales change based on gray relation
A gray correlation and short-term forecasting technology, applied in the field of power systems, can solve the problems of lack of data analysis and forecasting model technical support, less consideration of factors of electricity sales changes, lack of data and technical support, etc., to reduce electricity expenses and promote Economic leverage, the effect of improving management
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Embodiment 1
[0049] Embodiment 1 of the present invention: a short-term prediction method based on gray relational changes in electricity sales of enterprises, such as figure 1 , figure 2 shown, including the following steps:
[0050] 1. Obtain indicator data and perform dimensionless processing on it
[0051] Obtain data such as capacity increment, load utilization rate, business change power connection time, suspended power consumption and canceled account power, which are calculated as follows:
[0052] 1. The capacity increment is the change range of the power consumption capacity of the user through the service expansion application process, including the capacity of the newly installed user, the new capacity of the capacity expansion user, and the reduction of the capacity of the capacity reduction user;
[0053] 2. The load utilization rate is the ratio of the user's average power load to the rated capacity;
[0054] 3. The power connection time for the business change is the in...
Embodiment 2
[0066] Embodiment 2 of the present invention: a long-term prediction method based on gray relational changes in electricity sales of enterprises, such as figure 1 shown, including the following steps:
[0067] 1. Obtain indicator data and perform dimensionless processing on it
[0068] To obtain the data of capacity increment, load utilization rate, suspended power consumption and canceled household power, the calculation is as follows:
[0069] 1. The capacity increment is the change range of the power consumption capacity of the user through the service expansion application process, including the capacity of the newly installed user, the new capacity of the capacity expansion user, and the reduction of the capacity of the capacity reduction user;
[0070] 2. The load utilization rate is the ratio of the user's average power load to the rated capacity;
[0071] 3. The suspended power consumption is the average monthly power of the user who has suspended the power consumpti...
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