Method and system for planning power distribution networks
A distribution network planning and variance technology, applied in the direction of instruments, data processing applications, prediction, etc., can solve the problems that the system power supply reliability target is difficult to be guaranteed and lacks quantitative analysis
Inactive Publication Date: 2018-06-29
HXXN ELECTRICITY
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For a long time, when planning and designing distribution network, my country's power planners mainly rely on technical principles and deterministic "N-1" criteria to implicitly guarantee reliability, lacking quantitative analysis, and system power supply reliability Goals are difficult to guarantee
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[0045] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0046] refer to figure 1 , is an embodiment of the distribution network planning method of the present invention, and the distribution network planning method includes:
[0047] Step S100, obtaining the distribution network planning strategy of each region of the country, the corresponding investment amount, and the average power outage time of users;
[0048] Step S200, calculate the comprehensive score of the distribution network planning strategy in each region, the calculation formula is C i =(M i -X)+(T i -Y),
[0049] In the formula, C i is the comprehensive score of the distribution network planning strategy in region i, M i is the investment amount in region i, X is the measured value of the investment amount, T i is the average power outage time of users in region i, and Y is the measured value of the ...
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The invention discloses a method and a system for planning power distribution networks. The method for planning the power distribution networks includes acquiring power distribution network planning strategies of various regions of the whole country, the corresponding investment amounts and the corresponding average power outage durations of users; computing comprehensive scores of the power distribution network planning strategies of the various regions by the aid of a computational formula of Ci=(Mi-X)+(Ti-Y); acquiring the minimum values of the comprehensive scores and the power distribution network planning strategies corresponding to the minimum values; rectifying and reforming the regions with certain difference values between the corresponding comprehensive scores and the minimum values according to the power distribution network planning strategies corresponding to the minimum values. The certain difference values of the regions are larger than first preset values. According tothe technical scheme, the method and the system have the advantages that the quality of the power distribution network planning strategies of the various regions is judged according to the comprehensive scores which are computed by the aid of the investment amounts and the average power outage durations of the users, the planning strategies are determined to be the optimal when the comprehensivescores are the smallest, the power distribution network planning strategies of the regions with the high comprehensive scores are rectified and reformed according to the optimal strategies, and accordingly the purpose of optimizing power distribution network planning can be achieved.
Description
technical field [0001] The invention relates to the field of distribution network planning, in particular to a distribution network planning method and system. Background technique [0002] Distribution network planning is the overall plan for the development of the distribution network. Its goal is to increase the power supply capacity of the distribution network with appropriate investment, adapt to the demand of load growth, improve the power supply quality and reliability of the power grid. Scientific and reasonable distribution network planning is a prerequisite to ensure the safety, reliability and economy of the future power grid. For a long time, when planning and designing distribution network, my country's power planners mainly rely on technical principles and deterministic "N-1" criteria to implicitly guarantee reliability, lacking quantitative analysis, and system power supply reliability Goals are hard to guarantee. [0003] Therefore, how to determine the curr...
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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/0637G06Q50/06
Inventor 游玫瑰李文芳曾智黎灿兵周斌魏娟陈达伟
Owner HXXN ELECTRICITY