General optimized dispatching strategy for combined supply of cooling, heating and power microgrid system

A technology for combined cooling, heating and power supply and optimal scheduling, which is applied in the direction of electrical program control, comprehensive factory control, sustainable manufacturing/processing, etc., and can solve problems such as difficult scheduling, complex structure of combined cooling, heating and power system, and complex coupling

Active Publication Date: 2013-08-14
苏州钧灏电力有限公司
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Problems solved by technology

[0009] The purpose of the present invention is to propose a general optimal scheduling strategy for the combined cooling, heating and power supply microgrid system

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  • General optimized dispatching strategy for combined supply of cooling, heating and power microgrid system

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Embodiment Construction

[0021] In the present invention, the microgrid system equipment for combined cooling, heating and power supply is divided into four categories: source, converter, energy storage and load, etc., and the concept of energy bus is proposed on the basis of different energy forms of the microgrid, with the goal of minimizing the operating cost. The general model of dynamic economic dispatching of microgrid system for combined cooling, heating and power supply is constrained by the power balance of each energy bus and equipment operation in the microgrid, and the dynamic economic dispatching problem is solved by using the 0-1 mixed integer linear programming algorithm. The optimization strategy modeling and solution process is as follows:

[0022] 1) Divide cooling, heating and power microgrid system equipment into three categories: source, converter, and energy storage. Source equipment is used to provide energy to the microgrid, including gas turbines, internal combustion engines, ...

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Abstract

The invention belongs to the field of optimized dispatching of combined supply of cooling, heating and power microgrid systems and relates to a general optimized dispatching strategy of combined supply of a cooling, heating and power microgrid system. Based on functions of equipment, the equipment of the combined supply of cooling, heating and power microgrid system is divided into three types, namely source equipment, a convertor and energy accumulation equipment; based on load types, loads are divided into electrical loads, steam loads, hot-water loads and cooling loads; energy buses are divided based on different transmission modes of different energies on the combined supply of cooling, heating and power microgrid system; and various equipment is connected among different buses and on a single bus based on properties. The overall system adopts a bus-type structure, takes bus power balance and equipment operation constraint as constraint conditions to model the combined supply of cooling, heating and power microgrid system, and builds a dynamic economic dispatch model taking the minimum operating cost as an optimization objective to solve problems. The general optimized dispatching strategy of the combined supply of cooling, heating and power microgrid system can effectively solve the problems that the combined supply of cooling, heating and power microgrid system has various types of equipment, is complicated in coupling and difficult in dispatching.

Description

technical field [0001] The invention belongs to the field of optimal scheduling of the combined cooling, heating and power supply microgrid system, and establishes a dynamic economic dispatch model of the combined cooling, heating and power supply microgrid system with the goal of minimizing the operating cost, which can solve the problem that there are many equipment in the combined cooling, heating and power supply microgrid system , complex coupling, difficult scheduling and other issues. Background technique [0002] In recent years, environmental problems and energy problems have become increasingly severe, which has inspired people to constantly find more effective ways to use energy rationally. The combined cooling, heating and power system is considered as one of the solutions to energy and environmental problems, and has received widespread attention. [0003] Under a certain cooling, heating and power load, the system can have multiple operation strategies. At pre...

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P80/15Y02P90/02
Inventor 郭力王成山洪博文刘文建
Owner 苏州钧灏电力有限公司
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