Multi-objective double-layer optimal configuration method for microgrid power supply

A double-layer optimization and optimized configuration technology, applied in the field of power grid, can solve the problem of failing to comprehensively consider the hybrid energy storage system, and achieve the effect of simplifying the calculation difficulty

Active Publication Date: 2019-04-26
GUANGDONG POWER GRID CO LTD +1
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[0006] This application provides a multi-objective double-layer optimization configuration method for micro-grid power supply, which is used to solve the technical problem that the traditional optimization method fails to comprehensively consider the hybrid energy storage system

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  • Multi-objective double-layer optimal configuration method for microgrid power supply
  • Multi-objective double-layer optimal configuration method for microgrid power supply
  • Multi-objective double-layer optimal configuration method for microgrid power supply

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Embodiment Construction

[0085] The present application provides a multi-objective double-layer optimization configuration method for micro-grid power supply, which is used to solve the technical problem that the traditional optimization method fails to comprehensively consider the hybrid energy storage system.

[0086] In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the following The described embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0087] see figure 1 , an embodiment of a mu...

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Abstract

The invention provides a multi-objective double-layer optimal configuration method of a microgrid power supply. The multi-objective double-layer optimal configuration method comprises the following steps: establishing a microgrid distributed generation and hybrid energy storage system model; establishing a comprehensive optimization configuration multi-objective index system including the annual cost of microgrid investment operation and maintenance, microgrid load p power shortage probability, microgrid wind and light rejection rate and system net load power fluctuation rate; establishing multi-objective double-layer optimal configuration models including an upper-layer optimal configuration model and a lower-layer optimal configuration model; respectively solving the upper-layer optimized configuration model and the lower-layer optimized configuration model to obtain an optimized microgrid power supply configuration scheme. When the micro-grid configuration containing the hybrid energy storage is considered, the unification of economy, reliability and environmental protection is fully considered, the model is decoupled and simplified on the basis of multiple time scales, the calculation difficulty is simplified, the defects of the current hybrid micro-grid optimal configuration are overcome, and the technical problem is solved that a traditional optimization method cannot comprehensively consider a hybrid energy storage system.

Description

technical field [0001] The present application relates to the field of power grid technology, and in particular to a multi-objective double-layer optimal configuration method for micro-grid power sources. Background technique [0002] With the increasing depletion of fossil energy and environmental pollution, the development and utilization of clean energy has become an important strategy for sustainable development in various countries. Among them, renewable energy power generation technologies centered on wind power and solar energy have been rapidly developed and widely used. At the same time, with the continuous expansion of the scale of the traditional power grid, the ultra-high voltage and long-distance centralized power transmission methods are facing more and more challenges. The reliability of power supply is greatly affected by natural disasters, terrorist attacks and wars, and large-scale power outages It is easy to spread to the whole network. [0003] Based on ...

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Application Information

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IPC IPC(8): H02J3/00H02J3/38H02J3/32H02J3/24G06F17/50
CPCG06F30/20H02J3/382H02J3/00H02J3/24H02J3/32H02J3/388H02J2203/20
Inventor 曾杰张弛张威徐琪赵伟钟国彬梅成林谢宁彭嘉俊陈滢任智君郭琳刘尧
Owner GUANGDONG POWER GRID CO LTD
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