Power distribution network transmission loss apportionment method containing distributed power supply

A technology of distributed power supply and distribution network, which is applied in parallel feeding arrangement of single network, system integration technology, information technology support system, etc. It can solve the problems of combinatorial explosion and low calculation accuracy, so as to reduce the number of samples and ensure calculation. Accuracy, the effect of reducing computation time

Active Publication Date: 2019-05-10
HOHAI UNIV
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Problems solved by technology

However, with the gradual expansion of the scale of the apportionment problem, the combination explosion problem will appear in the Shapley value method, and the calculation amount will increase exponentially; in addition, some foreign scholars have proposed an Aumann-Shapley (Aumann- Shapley) v

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  • Power distribution network transmission loss apportionment method containing distributed power supply
  • Power distribution network transmission loss apportionment method containing distributed power supply
  • Power distribution network transmission loss apportionment method containing distributed power supply

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Embodiment Construction

[0036] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0037] This embodiment discloses a method for allocating network losses of a distribution network including distributed power sources, which includes the following steps:

[0038] 1) Taking the marginal network loss amount of participant i joining alliance S as a sample, the formula for calculating the network loss apportionment amount by the Sharpe method is transformed based on the concept of stratified sampling.

[0039] The marginal network loss allocation of partici...

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Abstract

The invention discloses a power distribution network transmission loss apportionment method containing a distributed power supply. The method comprises a step of estimating transmission loss apportionment values of each load node and a DG node in a power distribution network based on a Shapley value sampling estimation method; the sample amount required for computing the Shapley value is reduced through a stratified sampling method; the fairness and rationality of the Shapley value apportionment method is reserved, the expected computation precision is guaranteed, the combinational explosion problem occurring in the Shapley value is overcome, and the computation time is reduced.

Description

technical field [0001] The invention relates to a method for allocating network losses of a distribution network including distributed power sources, belonging to the field of distribution network control. Background technique [0002] With the gradual establishment of my country's electricity market, the monopoly mode of vertical integration of the traditional power industry has been broken, and fair competition has become the basic principle of the electricity market. In this context, the allocation of public expenses has attracted great attention from all market members. Among them, network loss allocation is not only related to the economic interests of market members, but also can provide important economic signals for the grid. The power flow distribution of the system. Considering the nonlinear and inseparable relationship between distribution network loss and network power flow, how to fairly and reasonably allocate network loss to market members has become one of t...

Claims

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Application Information

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IPC IPC(8): H02J3/38
CPCY04S10/50
Inventor 陈星莺郁清云谢俊余昆甘磊
Owner HOHAI UNIV
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