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Nash game-based microgrid voltage regulation method and apparatus

A technology of voltage regulation and micro-grid, which is applied in the direction of AC network voltage regulation, circuit devices, and AC networks with energy trade/energy transmission authority, which can solve the problem of sacrificing the interests of market participants and improve reliability and economy , eliminate adverse effects, and achieve high overall system benefits

Active Publication Date: 2018-02-16
山东正晨科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How to ensure that these conditions are realized and met, which may be at the expense of market participants in extreme conditions

Method used

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  • Nash game-based microgrid voltage regulation method and apparatus
  • Nash game-based microgrid voltage regulation method and apparatus
  • Nash game-based microgrid voltage regulation method and apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The purpose of this implementation is to provide a microgrid voltage regulation method under the access of multiple distributed power sources.

[0049] Based on the above purpose, this embodiment provides a microgrid voltage regulation method based on Nash game, which specifically includes the following steps:

[0050] Step 1: Establish the voltage regulation game model of microgrid participants;

[0051]Aiming at the voltage regulation method of the microgrid under the access of multiple distributed generations (DGs) in the electricity market environment, especially considering the micro grid operator (micro grid operator, MGO), active power suppliers (active power suppliers, APSs) and active load users (active load users, ALUs) under the cooperative game of the economic factors in online voltage regulation, the voltage regulation problem is regarded as a non-cooperative game between the benefits of various market participants, and its Defined as a voltage regulation ...

Embodiment 2

[0138] The purpose of this embodiment is to provide a computing device.

[0139] A Nash game-based microgrid voltage regulation device, including a memory, a processor, and a computer program stored on the memory and operable on the processor, and the processor implements the following steps when executing the program, including:

[0140] Step 1: Establish the voltage regulation game model of microgrid participants;

[0141] Step 2: establish the strategy space of the participants, the strategy space of each participant includes decision variables and constraints;

[0142] Step 3: Determine the strategic space according to the electricity price and stability conditions;

[0143] Step 4: determining the objective function and constraints of the voltage regulation game model;

[0144] Step 5: Determine whether the Nash equilibrium is realized, if not, return to step 3; if so, transform the voltage regulation game model into a two-layer optimization model for solution.

Embodiment 3

[0146] The purpose of this embodiment is to provide a computer-readable storage medium.

[0147] A computer-readable storage medium, on which a computer program is stored for voltage regulation of a microgrid, and when the program is executed by a processor, the following steps are performed:

[0148] Step 1: Establish the voltage regulation game model of microgrid participants;

[0149] Step 2: establish the strategy space of the participants, the strategy space of each participant includes decision variables and constraints;

[0150] Step 3: Determine the strategic space according to the electricity price and stability conditions;

[0151] Step 4: determining the objective function and constraints of the voltage regulation game model;

[0152] Step 5: Determine whether the Nash equilibrium is realized, if not, return to step 3; if so, transform the voltage regulation game model into a two-layer optimization model for solution.

[0153]The steps involved in the above embod...

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Abstract

The invention discloses a Nash game-based microgrid voltage regulation method and apparatus. The method comprises the steps of establishing a voltage regulation game model of a microgrid participator;establishing strategy space of participators, wherein the strategy space of each participator comprises a decision variable and a constraint condition; determining the strategy space according to electricity prices and smooth and steady conditions; determining a system benefit function and a constraint condition of the voltage regulation game model; judging whether to execute Nash balance or not;if not, returning to the step 3; and if so, converting the voltage regulation game model into a dual-layer optimization model and performing solving. By virtue of the Nash game-based microgrid voltage regulation method and apparatus, the maximum of the system comprehensive benefit under access of the multiple distributed generations can be realized.

Description

technical field [0001] The invention belongs to the technical field of electric power system reliability, and in particular relates to a method and device for adjusting the voltage of a microgrid based on a Nash game. Background technique [0002] Renewable and sustainable technologies play a key role in my country's energy conservation and emission reduction policies. In the context of large-scale wind power being continuously connected to the grid, China is vigorously promoting the development of various distributed power sources, striving to connect more green and sustainable distributed energy sources to the grid. However, connecting too many DGs may bring severe challenges to the safe and stable operation of the distribution network. Therefore, the researchers proposed a micro grid (micro grid, MG). The microgrid can integrate some small-scale DGs into the large grid to meet the future development needs of the grid. However, due to capacity constraints, in most elect...

Claims

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Application Information

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IPC IPC(8): H02J3/12H02J3/00
CPCH02J3/008H02J3/12H02J2203/20
Inventor 辛征张海涛龙日尚张建华高诺王栋杨红娟
Owner 山东正晨科技股份有限公司
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