Distributed power supply planning method considering output fuzzy randomness

A distributed power supply, random technology, applied in wind power generation, electrical components, circuit devices, etc., can solve problems such as overvoltage, installation location reduces system reliability, access capacity abandons light and wind, etc.

Active Publication Date: 2019-05-28
HOHAI UNIV +1
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Problems solved by technology

However, the rapid development of distributed power has also brought a series of problems to the power system, such as the unreasonable installation location will reduce the reliability of the system; the large access capacity will cause "abandoning light and wind", overvoltage and other phenomena, If it is too small, it will not be able to fully play its positive role in improving voltage quality and reducing network loss.

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  • Distributed power supply planning method considering output fuzzy randomness
  • Distributed power supply planning method considering output fuzzy randomness
  • Distributed power supply planning method considering output fuzzy randomness

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Embodiment Construction

[0067] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be described in detail below in combination with the accompanying drawings and implementation examples. It should be understood that the specific implementation cases described here are only used to explain the present invention, and are not intended to limit the invention.

[0068] Method flow chart of the present invention is as figure 1 As shown, among them, the optimization goal of the distributed power supplier's annual income is as follows:

[0069] maxP Net =E Bef -C Lcc

[0070] In the formula: P Net ,E Bef 、C Lcc They are the annual income, annual income and annual life cycle cost of the distributed power supplier respectively.

[0071] Annual revenue of distributed power suppliers:

[0072]

[0073]

[0074] In the formula: In the formula: E Sell ,E Env ,E Sub , They are the income from electricity sales of distribu...

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Abstract

The invention discloses a distributed power supply planning method considering output fuzzy randomness. The method comprises the following steps: 1) performing data import and initial value input; 2)proposing a typical daily scene generation method considering distributed power supply output fuzzy randomness; 3) based on the typical daily scene generation method, proposing an active power distribution network double-layer distributed power supply planning method; and 4) in combination with a specific power distribution network structure, respectively taking the maximum annual income of the distributed power supply supplier and the minimum annual network loss cost of the power distribution company as optimization objectives, and carrying out optimization configuration on the position and capacity of the distributed power supply. Through the distributed power supply planning method considering fuzzy randomness, reasonable configuration and grid structure optimization of the distributedpower supply can be carried out, win-win of multi-benefit subjects is realized, and consumption of the distributed power supply is promoted.

Description

technical field [0001] The invention relates to the field of distribution network planning, in particular to a distributed power supply planning method considering the fuzzy randomness of output. Background technique [0002] Distributed power generation planning refers to determining the installation location and configuration capacity of distributed power generation on the basis of known load forecast results and distribution network operating conditions, so as to optimize the economy and reliability of the distribution network during the entire planning period. . [0003] Today, a single power supply system characterized by large units, large power grids, and high voltage can no longer meet the increasing requirements for power quality, safety and reliability. It has increasingly become a research hotspot at home and abroad. However, the rapid development of distributed power has also brought a series of problems to the power system, such as the unreasonable installatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/00
CPCY02E10/76
Inventor 朱俊澎袁越范志成唐亮孙辰军王卓然
Owner HOHAI UNIV
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