Fuel cell combined heat and power generation microgrid day-ahead scheduling method based on dynamic planning

A fuel cell, cogeneration technology, applied in electrical components, circuit devices, AC network circuits, etc.

Active Publication Date: 2021-03-16
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although mature, these models for automobiles cannot be directly used for home energy supply applications of fuel

Method used

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  • Fuel cell combined heat and power generation microgrid day-ahead scheduling method based on dynamic planning
  • Fuel cell combined heat and power generation microgrid day-ahead scheduling method based on dynamic planning
  • Fuel cell combined heat and power generation microgrid day-ahead scheduling method based on dynamic planning

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0067] Schematic diagram of hybrid fuel cell cogeneration system figure 1 As shown, its main equipment includes proton exchange membrane hydrogen fuel cell, air source heat pump, lithium battery and heat storage tank with phase change energy storage, and other auxiliary equipment includes energy controller, pipeline, valve, circulating water pump and electrical equipment not in figure 1 in the table.

[0068] The hot water produced by the fuel cell and the heat pump of the system is first stored in the phase change energy storage heat storage tank, and then the heat is taken from the heat storage tank to supply the heating and hot water of the residential house. The power supply structure of the bus system is adopted, and the power generation of the fuel cell, the charge and discharge of the lithium battery, the heat pump and the power consumption of the user are all connected to the bus.

[0069] The equipment related to scheduling in the hybrid fuel cell cogeneration syste...

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Abstract

The invention discloses a fuel cell combined heat and power generation microgrid day-ahead scheduling method based on dynamic planning. According to the method, an off-grid household combined heat andpower supply system structure taking a fuel cell as a main prime mover is constructed, and comprises a fuel cell, an air source heat pump, a lithium battery, a phase change heat storage tank and thelike. According to the invention, by establishing a scheduling model, a safety range and a terminal constraint of main equipment of the system, a day-ahead scheduling optimization model taking minimization of fuel cost as a target is constructed, and a dynamic programming algorithm with the terminal constraint is designed to quantitatively solve the economic model; and the thermoelectric decoupling of the off-grid fuel cell combined heat and power generation system can be realized, the thermoelectric supply and demand balance is ensured, and the energy utilization efficiency of the system andthe operation reliability of the lithium battery can be improved.

Description

technical field [0001] The invention relates to the technical field of optimal scheduling of fuel cell cogeneration microgrids, in particular to a day-ahead scheduling method for fuel cell cogeneration microgrids based on dynamic programming. Background technique [0002] Hydrogen fuel cells have attracted extensive attention from academia and industry due to their clean, low-carbon, high-efficiency, and expandable features. However, the potential of using fuel cells in combined heat and power for households remains to be tapped. At present, heating boilers are usually used for residential heating. This heating method has low efficiency and large carbon emissions, and is not ideal in terms of economy or environmental protection. Compared with traditional heating boilers, hydrogen fuel cells have the following three advantages in home heating: first, hydrogen can be produced by catalytic reforming of natural gas, and natural gas pipelines have been widely laid in thousands of...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/28H02J3/32H02J3/38H02J3/46G06Q10/04G06Q10/06G06Q50/06
CPCH02J3/00H02J3/28H02J3/32H02J3/381H02J3/466G06Q10/04G06Q10/06313G06Q50/06H02J2203/20H02J2300/30H02J2300/40Y04S10/50Y02E40/70Y02E70/30
Inventor 孙立金宇晖周宇杰
Owner SOUTHEAST UNIV
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