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Modeling method of wind-solar hydrogen storage seawater desalination system

A modeling method, wind-solar-storage technology, applied in chemical instruments and methods, seawater treatment, water/sewage treatment, etc., can solve the problems affecting the working time and efficiency of seawater desalination system, so as to improve work efficiency and economic benefits, high Practical application value and the effect of reducing the cost of producing fresh water

Pending Publication Date: 2021-08-20
STATE GRID LIAONING ELECTRIC POWER RES INST +2
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Problems solved by technology

[0004] The purpose of the present invention is to provide a modeling method for a wind-solar hydrogen storage seawater desalination system, which solves the problem in the prior art that renewable energy power generation affects the working time and efficiency of the seawater desalination system

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Embodiment Construction

[0081] The present invention will be described in detail below in combination with specific embodiments.

[0082] A modeling method for a wind-solar hydrogen storage seawater desalination system, comprising the following steps:

[0083] Step 1. Establish the operating energy consumption model of photovoltaic modules, wind turbines, hydrogen storage systems, and water storage tanks of the wind-solar hydrogen storage and seawater desalination system;

[0084] Step 1.1. The wind-solar hydrogen storage seawater desalination system is mainly composed of photovoltaic panels, wind turbines, fuel cells connected to the hydrogen storage system, DC / DC converters and inverters. The hourly power output of a photovoltaic module depends primarily on the level of solar radiation and the temperature of the solar cells. The power generation P of the photovoltaic module at time t PV The calculation formula is:

[0085] P PV (t)=η PV R t A PV (1);

[0086] In the above formula, R t is ...

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Abstract

The invention discloses a modeling method of a wind-solar hydrogen storage seawater desalination system. The modeling method comprises the following steps: establishing operation energy consumption models of a photovoltaic module, a wind turbine, a hydrogen storage system and a water storage tank of the wind-solar hydrogen storage seawater desalination system; establishing life cycle cost models of a photovoltaic system, a wind power system, a fuel cell, an electrolytic bath, a hydrogen storage tank and a reverse osmosis seawater desalination system in the wind-solar hydrogen storage seawater desalination system; the minimum total life cycle cost of the wind-solar hydrogen storage seawater desalination system being used as an objective function, and an operation optimization model being established in combination with operation constraint conditions of a hydrogen tank and the seawater desalination system. The model combines a plurality of renewable energy sources, makes up for the defect of output intermittence of a single renewable energy source, improves the reliability of a power supply system, reduces the cost of producing fresh water by a seawater desalination system, improves the working efficiency and economic benefits of a wind-solar hydrogen storage seawater desalination system, and has a relatively high practical application value.

Description

technical field [0001] The invention belongs to the technical field of seawater desalination engineering, and relates to a modeling method of a wind-solar hydrogen storage seawater desalination system. Background technique [0002] The shortage of fresh water resources is becoming an increasingly serious problem in many parts of the world. Seawater desalination is an important technology to solve freshwater problems. Reverse osmosis seawater desalination technology has the advantages of low construction cost, low energy consumption and strong adaptability, and is currently dominant in the world. status. Traditional fossil fuels are currently the main energy driving the operation of seawater desalination systems, and their power generation process will emit a large amount of greenhouse gases. Seawater desalination systems driven by renewable energy are more cost-effective and reliable than traditional seawater desalination systems. However, the combination of renewable ener...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20C02F1/461G06F111/04G06F113/06C02F103/08
CPCG06F30/20C02F1/46104G06F2111/04G06F2113/06C02F2103/08C02F2201/007C02F2201/009
Inventor 崔岱葛维春楚帅董辉张诗钽唐婧怡刘闯王爱华高凯陈晓东葛延峰李铁姜枫张艳军唐俊刺李欣蔚
Owner STATE GRID LIAONING ELECTRIC POWER RES INST
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