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Micro-grid two-layer optimized dispatching method and system considering different air-conditioning load characteristics

A double-layer optimization technology for air-conditioning load, applied in the field of micro-grid, can solve problems such as lack of solutions, failure to fully explore the potential of air-conditioning load scheduling, and limit the ability of real-time adjustment of air-conditioning load micro-grid power, so as to reduce operating costs and Effect of power fluctuation and reduction of running cost

Active Publication Date: 2017-10-24
SHANDONG UNIV
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Problems solved by technology

Considering one kind of air-conditioning load alone, the micro-grid optimal dispatching does not fully explore the dispatching potential of air-conditioning load;
[0006] (2) The air conditioning load only participates in the day-ahead scheduling of the microgrid to reduce the operating cost of the microgrid, which limits the ability of the air conditioning load to adjust the power of the microgrid in real time
[0007] To sum up, the existing technology still lacks an effective solution for the method of coordinated control of air-conditioning loads with different characteristics in micro-grid optimal scheduling

Method used

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  • Micro-grid two-layer optimized dispatching method and system considering different air-conditioning load characteristics
  • Micro-grid two-layer optimized dispatching method and system considering different air-conditioning load characteristics
  • Micro-grid two-layer optimized dispatching method and system considering different air-conditioning load characteristics

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Embodiment Construction

[0061] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0062] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0063] As introduced in the background technology, the potential of air-conditioning load scheduling in the prio...

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Abstract

The invention discloses a micro-grid two-layer optimized dispatching method and a micro-grid two-layer optimized dispatching system considering different air-conditioning load characteristics. The micro-grid two-layer optimized dispatching method comprises the steps of: at a day-ahead dispatching layer, adopting different control for two kinds of air-conditioning loads according to levels of distributed air-conditioning load and centralized ice-storage air-conditioning load, regarding a minimum operating cost of the system as an optimization target, and regarding power balance constraint, power supply generating power constraints and air-conditioner operation constraint as constraint conditions; and at a real-time adjustment layer, selecting corresponding equipment for stabilizing fluctuations of renewable energy sources and loads according to the control method adopted for the air-conditioning loads at the day-ahead dispatching layer, regarding the minimization of power grid interconnecting line and storage battery power fluctuations as targets, and regarding power balance constraint, power supply generating power constraints and air-conditioner operation and adjustment constraint as constraint conditions. The micro-grid two-layer optimized dispatching method adopts a mode that different air-conditioning load coordinated control participates in micro-grid optimized dispatching, and gives full play to the capacity of different air-conditioning loads in micro-grid optimized dispatching.

Description

technical field [0001] The invention relates to the technical field of micro-grids, in particular to a control method and system for air-conditioning loads in optimal scheduling of micro-grids. Background technique [0002] The air-conditioning load has the advantages of large scheduling potential and flexible methods. According to its demand response characteristics, a reasonable regulation method can quickly respond to grid-side power scheduling, which can effectively alleviate the contradiction between power supply and demand and reduce the difficulty of system peak regulation and operating costs. [0003] Because the air-conditioning loads with different characteristics have very different control methods, the air-conditioning loads are divided into distributed air-conditioning loads and centralized air-conditioning loads. For distributed air-conditioning loads, the method of periodically suspending control is generally adopted to ensure that the indoor temperature is wi...

Claims

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Application Information

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IPC IPC(8): H02J13/00H02J3/32
CPCH02J3/32H02J13/00Y02B70/30Y02B90/20Y02E70/30Y04S20/12Y04S20/244
Inventor 陈健张维桐
Owner SHANDONG UNIV
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