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Multi-microgrid coordinated optimization scheduling method considering load characteristics and demand response

A demand response, multi-microgrid technology, applied in computing, data processing applications, market forecasting, etc., can solve problems such as insufficient refined modeling

Pending Publication Date: 2020-10-27
HANGZHOU DIANZI UNIV
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Problems solved by technology

However, the existing multi-microgrid coordinated optimal scheduling research mainly focuses on how to arrange the output of each micro-source in the microgrid, optimally distribute the load and coordinate the purchase and sale of electricity in the microgrid. Insufficient consideration of fine-grained modeling of the demand-side response characteristics of the participants

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  • Multi-microgrid coordinated optimization scheduling method considering load characteristics and demand response
  • Multi-microgrid coordinated optimization scheduling method considering load characteristics and demand response
  • Multi-microgrid coordinated optimization scheduling method considering load characteristics and demand response

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Embodiment Construction

[0104] The present invention will be described in detail below in conjunction with specific embodiments, but it should not be understood that the scope of the above subject of the present invention is limited to the following examples. Without departing from the above-mentioned technical ideas of the present invention, various replacements and changes made according to common technical knowledge and conventional means in this field shall be included in the protection scope of the present invention.

[0105] In this embodiment, multi-type microgrids including residential microgrid 1, commercial microgrid 2, and industrial microgrid 3 are coordinated and dispatched for a period of one day, and the distributed power generation devices of each microgrid are composed as shown in Table 1 As shown, the calculation period is 1 day, divided into 24 periods, and the duration of each period is 1h. The climbing power of the diesel engines in Microgrid 1, 2, and 3 is 30kW, the charging and...

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Abstract

The invention discloses a multi-microgrid coordinated optimization scheduling method considering load characteristics and demand response. The method comprises steps: firstly, establishing different load electricity price characteristic models and demand side response cost function models for different types of micro-grids; and then solving the optimization model by adopting an improved artificialfish algorithm by taking the minimum total cost of multi-microgrid coordinated optimization scheduling as a target; setting a satisfaction threshold of the demand side response by considering the irrational behaviors of the users, participating in the demand side response according to the threshold when the satisfaction of the microgrid users is lower than the threshold, and performing iterativesolution again after the problem is optimized after updating until the number of iterations is met or the satisfaction of each microgrid user is higher than the threshold; otherwise, each microgrid user takes the satisfaction value as a threshold value to participate in demand side response. Therefore, the multi-microgrid coordinated scheduling result obtained by the method has more practical significance.

Description

technical field [0001] The invention belongs to the technical field of multi-micro-grid coordinated optimization dispatching, and in particular relates to a multi-micro-grid coordinated and optimized dispatch method that takes load characteristics and demand responses into consideration. Background technique [0002] In recent years, with the depletion of traditional energy, the pressure of coal-based energy structure and the deteriorating ecological environment, the development of microgrid technology has provided a flexible technical approach for renewable energy consumption, and also provided a The operation and control of the power grid provides a friendly interface. [0003] As the number of microgrids connected to the distribution network gradually increases, how to coordinate and dispatch the power sources, energy storage systems and loads of each microgrid to reduce the cost of multi-microgrid operation has very important research significance. However, the existing...

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Application Information

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IPC IPC(8): G06Q10/04G06Q30/02G06Q50/06
CPCG06Q10/04G06Q30/0206G06Q50/06
Inventor 罗平王严徐林李俊杰吕强
Owner HANGZHOU DIANZI UNIV
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