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Independent photovoltaic-fuel cell-recycled power battery combined power generation and energy storage system

A fuel cell and independent photovoltaic technology, which is applied in photovoltaic power generation, electric energy storage systems, battery circuit devices, etc. Effect

Inactive Publication Date: 2017-09-22
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a photovoltaic power station is built, a large-capacity battery pack is used for energy storage. Due to the harsh working environment and short life of the battery pack, the battery pack needs to be replaced frequently

Method used

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  • Independent photovoltaic-fuel cell-recycled power battery combined power generation and energy storage system
  • Independent photovoltaic-fuel cell-recycled power battery combined power generation and energy storage system
  • Independent photovoltaic-fuel cell-recycled power battery combined power generation and energy storage system

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Embodiment Construction

[0038] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0039] Such as figure 1 , figure 2 As shown, the independent photovoltaic-fuel cell-recovery power battery combined power generation and energy storage system includes photovoltaic cell modules, proton exchange membrane (Proton Exchange Membrane, PEM) electrolysis modules, PEM fuel cell modules, batteries, data acquisition and energy management systems, Four DC / DC converters, DC busbars, wires;

[0040] The photovoltaic cell module includes a photovoltaic cell array and a maximum power point tracking solar (Maximum PowerPoint Tracking, MPPT) controller; the photovoltaic cell module keeps the photovoltaic cell array in a maximum power output state through the MPPT controller;

[0041] The PEM electrolysis module includes a PEM electrolyzer and a hydrogen storage device; the hydrogen storage device is used to store the hydrogen produced by...

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Abstract

The invention relates to an independent photovoltaic-fuel cell-recycled power battery combined power generation and energy storage system, and belongs to the fields of power generation and energy storage. The system comprises a photovoltaic cell module, a PEM electrolytic module, a PEM fuel cell module, a storage battery, a data collection and energy management system, four DC / DC converters, a direct current bus and a wire; the photovoltaic cell module comprises a photovoltaic cell array and an MPPT controller; the photovoltaic cell module enables the photovoltaic cell array to be in the maximum power output state constantly through the MPPT controller; the PEM electrolytic module comprises a PEM electrolytic tank and a hydrogen storage apparatus; and the hydrogen storage apparatus is used for storing hydrogen generated by electrolysis of water of the PEM electrolytic tank and is loaded with pressure in a pressure sensor detection apparatus. The independent photovoltaic-fuel cell-recycled power battery combined power generation and energy storage system is simple in structure, high in efficiency, and solves the problems of pollution and noise in power generation of an internal combustion engine, overlarge occupied volume and high cost of the storage battery of the conventional off-grid type photovoltaic power generation system, and relatively low efficiency and high unit cost of a hydrogen energy storage type power generation system.

Description

technical field [0001] The invention belongs to the field of power generation and energy storage, and relates to an independent photovoltaic-fuel cell-recovery power battery combined power generation and energy storage system. Background technique [0002] my country has a long coastline, islands, isolated peaks and desert areas. From the perspective of geography and natural conditions, most of these unique environments are far away from the grid coverage area. It is difficult to achieve grid coverage due to its isolated geographical location. The lack of electricity, fresh water and fuel supply has seriously affected their life and production. If the traditional diesel engine power generation method is used in these areas, there will be many problems such as loud noise, environmental pollution, difficulty in fuel supply, long supply time, and high supply cost. However, for the transmission line method, there are disadvantages such as long transmission distance, high transm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J15/00H02J7/35H02J9/06
CPCH02J7/35H02J9/061H02J15/00Y02B10/70Y02B90/10Y02E10/56Y02E60/36Y02E70/30
Inventor 张财志黄志宇谢志龙刘明涛周俊石浩楠许振宇张效民
Owner CHONGQING UNIV
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