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Capacity optimization and configuration method considering flexible load of combined cooling, heating and power system

A technology of combined cooling, heating and power supply and system capacity, which is applied in general control systems, control/regulation systems, instruments, etc., and can solve the problems of high battery investment costs and replacement costs, and increased system investment costs

Active Publication Date: 2019-09-17
山东省海之森能源科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the investment cost and replacement cost of the storage battery are relatively high. If only the energy storage device is used to balance the power balance between the supply and demand sides, the system investment cost will be greatly increased.

Method used

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  • Capacity optimization and configuration method considering flexible load of combined cooling, heating and power system
  • Capacity optimization and configuration method considering flexible load of combined cooling, heating and power system
  • Capacity optimization and configuration method considering flexible load of combined cooling, heating and power system

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Embodiment Construction

[0101] The present invention will be further described below in conjunction with accompanying drawing:

[0102] combine figure 1 , figure 2 and image 3 , the steps of the method of the present invention are as follows:

[0103] Step 1: Build a CCHP system model

[0104] The CCHP system designed by the present invention operates in the grid-connected mode. The system is connected to the large power grid through the tie line for energy exchange. The gas internal combustion unit is used as the core drive equipment, and the battery equipment is used as the energy storage device to increase wind power generation and photovoltaic power generation. Utilization rate, its structure schematic diagram is as follows figure 1 shown. The system mainly includes internal combustion generator sets, photovoltaic power generation devices, fan power generation devices, waste heat recovery devices, batteries, electric boilers, electric refrigerators, absorption refrigerators and other auxil...

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Abstract

The invention discloses a capacity optimization and configuration method considering a flexible load of a combined cooling, heating and power system, and relates to the field of combined cooling, heating and power system design and planning. The capacity optimization and configuration method comprises the steps of firstly, building energy hub-based CCHP system energy flow model, and analyzing a complicated coupling relation among energy sources in the system; secondly, making a demand-side energy management strategy with coordinated source-network-load-storage and considering the flexible load; and finally, building an optimization model considering the flexible load by comprehensively considering running economy and grid-connected safety of a CCHP system with regards to the problem of capacity optimization and configuration of a distributed power supply in a grid-connected combined cooling, heating and power system. An example verifies the practicability and effectiveness of the proposed strategy.

Description

technical field [0001] The invention relates to the design and planning field of combined cooling, heating and power systems, in particular to a capacity optimization configuration method of a grid-connected combined cooling, heating and power system based on three types of flexible loads of cooling, heating and power, which considers demand-side response. Background technique [0002] my country is a large energy country with coal as the main raw material, but fossil resources are non-renewable primary energy, and the combustion of fossil raw materials will produce a large amount of harmful gases. The increasing environmental pollution and energy depletion have become obstacles to the rapid development of social economy. Huge hidden danger. Therefore, how to change the mode of production and take a sustainable development path has become the general trend. [0003] Combined Cooling Heating and Power (CCHP) is one of the main development directions of energy technology at pr...

Claims

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Application Information

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IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 杨丽君王心蕊吴文华梁旭日
Owner 山东省海之森能源科技有限公司
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