Distributed Dynamic Economic Dispatch Method for Independent Microgrid Based on Consistency Theory
A technology of economic scheduling and micro-grid, applied in the direction of single-network parallel feeding arrangement, etc., can solve problems affecting global optimization, etc., and achieve the effect of reducing operating costs, alleviating negative impacts, and reducing burdens
Active Publication Date: 2021-11-19
HOHAI UNIV
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The above two types of algorithms require that the topology of the communication system must be consistent with the physical system, and any interruption of communication will affect the global optimization
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[0093] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0094] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in commonly used dictionaries should be understood to have a meaning consistent with the meaning in the context of the prior art, and will not be interpreted in an idealized or overly formal sense unless defined as herein...
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The invention discloses a distributed dynamic economic scheduling method for an independent micro-grid based on consistency theory. The independent micro-grid system involved in the invention includes a diesel generator, a battery energy storage system, a renewable energy power generation system, a controllable load and uncontrollable load. The distributed dynamic economic dispatching method based on consistency theory involved in the present invention includes four steps: grading controllable loads, calculating a surplus of renewable energy generation in the entire network, preset controllable load power consumption plans, and generating unit power generation plans. The present invention does not require the participation of the traditional microgrid central controller, only relying on the autonomous calculation of each unit and the peer-to-peer (P2P) communication between units, it can maximize the consumption of renewable energy in the system to generate a power plan, and minimize The operating cost is the goal to generate a power generation plan to ensure the economical operation of the system on a long-term scale.
Description
technical field [0001] The invention relates to a distributed dynamic economic dispatching method of an independent micro-grid based on the consistency theory, and belongs to the field of active power dispatching of the micro-grid. Background technique [0002] At present, the dynamic economic dispatch of independent microgrids is usually completed by the microgrid control center. With the development of smart power consumption and distributed generation technology, challenges also follow: First, the maintenance of independent microgrids is relatively low, and MGCC is vulnerable to Attacks, communication are susceptible to interference, and the destruction of any unit or communication line in the centralized control mode will affect the overall optimization. System operation requires a more reliable computing and control system; secondly, private participants have the right not to disclose information such as operating costs, The operation of the system needs to protect the ...
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IPC IPC(8): H02J3/48
CPCH02J3/48
Inventor 赵晋泉吕朋蓬
Owner HOHAI UNIV