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Active power distribution network coordination optimization method considering multi-dimensional source network load storage

An active distribution network, coordinated optimization technology, applied in energy storage, AC network circuits, wind power generation, etc., can solve the problem of ignoring the energy storage link of the active distribution network, unable to coordinate and optimize the active distribution network, and unable to approach the real situation and other issues, to achieve the effect of reducing comprehensive operation consumption, facilitating dispatching, and improving the utilization of new energy

Pending Publication Date: 2022-04-12
STATE GRID CORP OF CHINA +1
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  • Description
  • Claims
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Problems solved by technology

At present, the research on the collaborative management of the active distribution network is mostly focused on the coordination between the "source, network and load", ignoring the important energy storage link in the active distribution network, which cannot approach the real situation, and thus cannot Effectively coordinate and optimize the active distribution network

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  • Active power distribution network coordination optimization method considering multi-dimensional source network load storage
  • Active power distribution network coordination optimization method considering multi-dimensional source network load storage
  • Active power distribution network coordination optimization method considering multi-dimensional source network load storage

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Embodiment Construction

[0031] The present invention is further described below in conjunction with the accompanying drawings of the description, as shown in the figure:

[0032] The active distribution network coordination and optimization method considering the multi-dimensional source, network, load and storage of the present invention includes the following steps:

[0033] S1. Construct an active distribution network coordination optimization model C total :

[0034]

[0035] Among them, T is the number of time periods; N is the number of units; the C P,i (P ij )=α i +β i P ij +γ i P ij 2,C p,i Energy consumption for unit i, α i , β i and gamma i Both are unit energy consumption coefficients, P ij is the output of unit i in time period j; C S,ij Energy consumption for unit i to start; s ij is the output state of unit i in time period j, the s ij When the value is 1, it means that unit i is working in time period j; the s ij When the value is 0, it means that unit i does not wor...

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Abstract

The invention discloses an active power distribution network coordinated optimization method considering multi-dimensional source network load storage. The method comprises the following steps: S1, constructing an active power distribution network coordinated optimization model Ctotal; and S2, adjusting each parameter value in the active power distribution network coordinated optimization model Ctotal to enable the optimization model Ctotal to obtain a minimum value, taking a parameter set when the optimization model Ctotal obtains the minimum value as a coordinated optimization parameter of the active power distribution network, and performing coordinated optimization on the active power distribution network by using the coordinated optimization parameter. According to the invention, the comprehensive operation consumption of the active power distribution network can be reduced, and multiple goals of improving social benefits and new energy utilization are realized.

Description

technical field [0001] The invention relates to the field of power grid scheduling optimization, in particular to an active distribution network coordination optimization method considering multi-dimensional sources, networks, loads and storages. Background technique [0002] In recent years, in order to cope with the increasingly serious problems of resource shortage and environmental pollution, the proportion of renewable energy such as wind power and solar energy in microgrids has been increasing. The proportion of distributed renewable energy power generation is gradually increasing, and the high proportion of renewable energy such as wind power and photovoltaics leads to fluctuations and uncertainties in power output. Therefore, higher requirements are put forward for the operation and planning of active power distribution systems. Increased demand for flexibility in the grid. [0003] The active distribution network emphasizes the characteristics of active control of ...

Claims

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Application Information

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IPC IPC(8): H02J3/46H02J3/32H02J3/00
CPCY02E10/76Y02E70/30
Inventor 周倩许晓川王皓宇肖文浩谢颜斌朱元程超牟凡肖强宿晓岚郭英执
Owner STATE GRID CORP OF CHINA
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