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Distributed power source optimal configuration method

A technology of distributed power supply and optimized configuration, which is applied in instruments, data processing applications, forecasting, etc., and can solve problems such as large amount of calculation and impact on the optimal configuration efficiency of distributed power supply.

Inactive Publication Date: 2014-02-19
ZHEJIANG UNIV
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Problems solved by technology

[0005] The objective function and constraints of the above-mentioned distributed power optimization problem are complex nonlinear equations, resulting in the need to use a large amount of calculation method to solve, thus affecting the efficiency of distributed power optimal configuration

Method used

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Embodiment Construction

[0058] In order to describe the present invention more specifically, the distributed power supply optimization configuration method of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0059] Such as figure 1 As shown, an optimal configuration method of a distributed power supply in a power system includes the following steps:

[0060] step one:

[0061] Establish the objective function of the optimal configuration model of distributed power generation in power system.

[0062] max { P DG , Q DG } ΔQLI

[0063] ΔQLI = Σ i = 1 q ω i P ...

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Abstract

The invention discloses a distributed power source optimal configuration method which includes the following steps: (1) determining types of nodes in a system, numbering the nodes according to the types, considering the nodes with the serial numbers from 1 to q as the PQ nodes, considering serial numbers from q+1 to n-1 as the PV nodes, considering the node with the serial number n as the balanced node, enabling the q to serve as the number of the PQ nodes, and enabling the n to serve as the total number of the nodes in the system, (2) building an optimal configuration model with the system integration load index increment as a maximization target, and (3) solving the optimal configuration model with an interior point method to obtain a distributed power source optimal configuration scheme of the system. According to the distributed power source optimal configuration method, the voltage level of a power distribution network can be effectively improved through optimal configuration on distributed power sources.

Description

technical field [0001] The invention belongs to the technical field of distributed power generation in electric power systems, and in particular relates to a distributed power supply optimization configuration method. Background technique [0002] With the development of new power generation technologies including renewable energy and efficient and clean fossil fuels, distributed power generation is gradually becoming an effective way to meet load growth demands, reduce energy consumption, and enhance power supply flexibility. Distributed power generally refers to power generation facilities that are distributed near the load through small-scale, and its characteristic is that the production and use of electricity are at the same location or limited to a local area. The main technology types are wind power, photovoltaic power generation, gas turbines and fuel cells. Compared with traditional thermal power generation, distributed power generation has the advantages of small ...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
CPCY04S10/545Y02E40/76Y02E40/70Y04S10/50
Inventor 徐政刘昇董桓锋李晖王智冬王帅
Owner ZHEJIANG UNIV
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