Comprehensive microgrid planning and design evaluation system based on OTFN-AHP

An OTFN-AHP and comprehensive evaluation technology, which is applied in the field of comprehensive evaluation of microgrid planning and design, can solve the problems that system evaluation schemes are rarely found in papers, and achieve the effect of improving accuracy

Inactive Publication Date: 2014-01-22
HUNAN UNIV
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Problems solved by technology

However, at present, there are few systematic evaluation schemes for microgrid planning and design in the literature.

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  • Comprehensive microgrid planning and design evaluation system based on OTFN-AHP
  • Comprehensive microgrid planning and design evaluation system based on OTFN-AHP
  • Comprehensive microgrid planning and design evaluation system based on OTFN-AHP

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the examples of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the protection scope of the present invention.

[0032] Microgrid is a new type of network structure, which is a system unit composed of a group of micro power sources, loads, energy storage systems and control devices. Microgrid is an autonomous system capable of self-control, protection and management, which can be connected to the external grid or run in isolation. Microgrid i...

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Abstract

The invention discloses a comprehensive microgrid planning and design evaluation system based on an OTFN-AHP (optimized triangular fuzzy number analytic hierarchy process), and belongs to the technical field of electric information planning. An evaluation method comprises the steps that 1) a microgrid planning and design evaluation index system is determined; 2) computation models of microgrid evaluation indexes and reasonable and practical non-linear membership function models of the indexes are provided, so that quantized values of the indexes are obtained; 3) the traditional analytic hierarchy process and a fuzzy mathematic theory are combined and optimized to form the OTFN-AHP; 4) the fuzziness of an ordering vector is removed by utilizing a centroid method variable according to preference of a decision maker; 5) relative weights of the indexes are solved by nonlinear planning according to the ordering vector; and 6) an advantage and disadvantage degree of a microgrid is determined according to the quantized values and the weights of the indexes; and an evaluation report of the micogrid is output. The evaluation system can make scientific and objective evaluation on microgrid planning and design schemes in different structures, so that the evaluation system provides a reasonable reference for the decision maker, and has very high actual instruction significance.

Description

technical field [0001] The invention belongs to the technical field of electrical information planning, and in particular relates to a comprehensive evaluation method for micro-grid planning and design and its realization. Background technique [0002] With the development of smart grid technology, the future smart grid will inevitably include micro-grid systems with different structures. How to more objectively evaluate the advantages and disadvantages of micro-grids with different structures and the micro-grid groups composed of them in the planning stage will become a research field. new subject. At present, the concept of microgrid group is still relatively new. Most of the existing achievements focus on the access system of multiple distributed power sources, and most of the research results are studied from a single impact index. The access of microgrid can completely change the distribution of main grid. Due to the radial topological characteristics of the power syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/06
Inventor 黄小庆周杰曹一家彭寒梅罗聪杨宵刘玲曹阳
Owner HUNAN UNIV
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