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A reversible fuel cell stack energy-saving device and control method

A fuel cell stack and energy-saving device technology, applied in the direction of fuel cell control, fuel cells, fuel cell additives, etc., can solve the problems of high cost and difficulty in realizing large-scale power storage, and achieve precision requirements and effective nonlinear control , The effect of simple system structure

Active Publication Date: 2020-10-09
NANJING XIAOZHUANG UNIV
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  • Description
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AI Technical Summary

Problems solved by technology

At present, the cost of energy storage technology, especially electricity storage technology is very high, and large-scale electricity storage is difficult to achieve

Method used

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  • A reversible fuel cell stack energy-saving device and control method
  • A reversible fuel cell stack energy-saving device and control method
  • A reversible fuel cell stack energy-saving device and control method

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Embodiment Construction

[0031] like Figure 1-4 As shown, a reversible fuel cell stack includes: a photovoltaic array 1, a DC DC / DC converter 2, a DC power supply bus 3, a DC / AC inverter 4, a controller 5, a first combination switch K1, a second combination Switch K2, third combined switch K3, first fuel cell stack F1, second fuel cell stack F2, third fuel cell stack F3, first combined valve Z1, second combined valve Z2, third combined valve Z3, fourth combined valve Combination valve Z4, fifth combination valve Z5, sixth combination valve Z6, first pipeline M1, second pipeline M2, third pipeline M3, fourth pipeline M4, first storage tank C1, second storage tank C2, third storage tank C3 and fourth storage tank C4; the output of the photovoltaic array 1 is connected to the input of the DC / DC converter 2, the output of the DC / DC converter 2 is connected to the DC power supply bus 3, and the output of the DC power supply bus 3 is connected to the The input connection of DC / AC inverter 4, the output of...

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Abstract

The invention discloses a reversible fuel cell stack energy-saving device and a control method. The control of the entire device is mainly completed by a BP neural network algorithm with a momentum term correction. The invention can couple the solar photovoltaic power generation with the fuel cell system to form a stable energy supply system; when the solar energy is surplus, the electric energy obtained by the solar photovoltaic power generation is used for the reverse reaction of the fuel cell, and the water is electrolyzed into hydrogen and oxygen. When the load power demand cannot be met, the fuel cell works in the power generation state to supply power; the fuel cell is composed of multiple fuel cell stacks, and each fuel cell can operate in two modes of power generation and electrolysis. The operating state of the fuel cell stack The control is completed by the BP neural network algorithm with the correction of the energy term; the invention can provide a stable power supply system, and the system can realize the function of energy storage.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to a reversible fuel cell stack energy-saving device and a control method. Background technique [0002] Energy crisis and ecological environment are two major challenges facing mankind at present. Traditional coal, oil, etc. have been difficult to meet the requirements of sustainable energy development. In the long run, renewable energy will become an important energy source for human beings in the future. Wind energy and solar energy, which are currently being developed on a large scale, are all renewable energy. Judging from the data, the installed capacity of solar photovoltaic power generation and wind turbines is developing rapidly. However, these renewable energy sources have not been well utilized. Because both wind power and solar power are affected by meteorological conditions, resulting in unstable power generation, so in many large-scale wind power occasions, the e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/0656H02J3/28
CPCH01M8/04298H01M8/04992H01M8/04201Y02E70/30Y02E60/50
Inventor 陆玉正颜森林
Owner NANJING XIAOZHUANG UNIV
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