Main distribution power failure plan selection method and device
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A technology for power outage planning and device selection, used in computing, instrumentation, data processing applications, etc.
Active Publication Date: 2019-06-07
GUANGDONG POWER GRID CO LTD +1
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[0002] Power outage maintenance of transmission lines can effectively improve the reliability of po...
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Embodiment 1
[0056] refer to figure 1 , a method for selecting a main distribution network outage plan provided in this embodiment includes the following steps:
[0058] Step S200, calculating a power outage risk assessment value according to maintenance risk influencing factors;
[0059] Step S300, calculate the association rule between the influencing factors of the maintenance time and the maintenance time through the data mining algorithm, and calculate the estimated value of the outage time according to the association rule;
[0060] Step S400, calculating the objective function of the coordinated operation of the main distribution network according to the estimated value of the outage risk and the estimated value of the outage time;
[0061] Step S500, selecting a power outage plan with the minimum value of the objective function from multiple power outage plans.
[0062] Specifically, in this...
Embodiment 2
[0105] refer to image 3 , a main distribution network power outage plan selection device, including a selection module 10, a power outage risk assessment value module 20, a power outage time module 30, an objective function module 40 and an optimal power outage plan module 50;
[0106] The selection module 10 is used to select factors influencing the maintenance risk and factors affecting the maintenance time;
[0107] The power outage risk assessment value module 20 is used to calculate the power outage risk assessment value according to the overhaul risk influencing factors;
[0108] The power outage time module 30 is used to calculate the association rules of the overhaul time influencing factors and the overhaul time by the data mining algorithm, and calculate the power outage time estimated value according to the association rules;
[0109]The objective function module 40 is used to calculate the objective function of the coordinated operation of the main distribution n...
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Abstract
The invention provides a main distribution power failure plan selection method and device, and relates to the technical field of power distribution management, and the method comprises the steps: determining a maintenance risk impact factor and a maintenance time impact factor; calculating a power failure risk evaluation value according to the maintenance risk influence factor; calculating an association rule of the maintenance time influence factor and the maintenance time, and calculating a power failure time estimation value according to the association rule; calculating an objective function of coordinated operation of the main distribution network according to the power failure risk evaluation value and the power failure time estimation value; calculating the minimum value of the target function; and selecting the power failure plan with the minimum value obtained by the target function from the plurality of power failure plans. The optimal power failure plan can be selected by considering the power failure time and the maintenance risk.
Description
technical field [0001] The invention relates to the technical field of power distribution management, in particular to a method and device for selecting a power outage plan of a main distribution network. Background technique [0002] Power outage maintenance of transmission lines can effectively improve the reliability of power supply, but power outage maintenance needs to formulate a scientific and reasonable power outage plan. At present, the blackout plan is manually formulated, and the planner usually formulates multiple blackout plans, compares and selects the best blackout plan for implementation. However, when making a choice, the planners usually proceed from the actual needs of their own business. When coordinating the outage plan of the main distribution network, it is necessary to take into account the mutual exclusion and coordination between equipment outage time optimization and maintenance risk. How to take into account the outage time and maintenance risk ...
Claims
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Application Information
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