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Method for robustly and optimally operating micro-grids on basis of orthogonal arrays

A robust optimization and orthogonal array technology, applied in instrumentation, sustainable manufacturing/processing, data processing applications, etc., can solve problems such as complex constraints between objectives and constraints, and increased uncertainty in power distribution systems

Inactive Publication Date: 2017-01-25
SICHUAN UNIV
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Problems solved by technology

[0002] Compared with the regulation of non-renewable energy distributed power generation, the power generation form of renewable energy distributed power generation is easily affected by factors such as climate and environment, and has obvious randomness and intermittent nature. Large-scale access systems will inevitably Increasing the uncertainty in the operation of the power distribution system will also make the constraints between the objectives and constraints more complicated in the research and modeling

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  • Method for robustly and optimally operating micro-grids on basis of orthogonal arrays

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Embodiment Construction

[0079] In the following, the orthogonal array-based robust optimization operation method of the microgrid of the present invention will be further described in detail with reference to the accompanying drawings.

[0080] The present invention provides a robust optimization operation method for a microgrid based on an orthogonal array, comprising steps:

[0081] (1) Extract static data such as microgrid architecture, power supply type and its operating cost, energy storage system unit operating cost, interaction cost, and time-of-use electricity price;

[0082] (2) Construct an uncertain set of renewable energy distributed power output and load demand;

[0083] (3) Screening robust test scenarios based on orthogonal arrays;

[0084] (4) Construct a robust optimization operation model of the microgrid;

[0085] (5) Design a two-stage solution strategy based on the test scenario, and obtain the final robust optimization operation scheme of the microgrid.

[0086] The micro-gri...

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Abstract

The invention discloses a method for robustly and optimally operating micro-grids on the basis of orthogonal arrays. The method includes steps of extracting static data of micro grid architectures, power types, operation costs of the power types, energy storage system unit operation cots, interaction costs, time-of-use electricity prices and the like; building micro-grid uncertainty set models; screening test scenarios; building micro-grid robust and optimal operation models on the basis of the orthogonal arrays and designing solution strategies on the basis of the test scenarios so as to obtain ultimate micro-grid robust and optimal operation schemes. The method has the advantages that the grid-connection micro-grids with consideration of output of renewable energy distributed power sources and load demand uncertainty can be optimally operated by the aid of the method, and dispatching reference can be provided for operation personnel of the micro-grids.

Description

technical field [0001] The invention relates to a method for robust optimal operation of a microgrid based on an orthogonal array, and belongs to the technical field of optimal scheduling and operation of electric power systems. Background technique [0002] Compared with the regulation of non-renewable energy distributed power generation, the power generation form of renewable energy distributed power generation is easily affected by factors such as climate and environment, and has obvious randomness and intermittent nature. Large-scale access systems will inevitably Increasing the uncertainty in the operation of the power distribution system will also make the relationship between objectives and constraints more complicated in the research and modeling. How to adapt to the working conditions of various renewable energy distributed power sources and uncertain load demand, and realize the benign interaction and economic operation of multiple resources are the research diffic...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0631G06Q50/06Y02E40/70Y02P80/14Y04S10/50
Inventor 向月
Owner SICHUAN UNIV
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