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Power regulator for fuel battery mixing power supply

A technology of power regulator and fuel cell, which is applied in battery circuit devices, current collectors, electric vehicles, etc., can solve the problems of high cost of fuel cells and scarcity of materials, and achieve the effect of improving power output efficiency and prolonging service life

Inactive Publication Date: 2009-06-24
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, due to the high technical content of fuel cells and the scarcity of materials used, the cost of fuel cells is very high compared to conventional power sources

Method used

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  • Power regulator for fuel battery mixing power supply
  • Power regulator for fuel battery mixing power supply
  • Power regulator for fuel battery mixing power supply

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Embodiment Construction

[0014] The principle, specific structure and working process of the present invention will be further described below in conjunction with the accompanying drawings.

[0015] The power conditioner involved works as Figure 1 shown.

[0016] The fuel cell directly provides electric energy to the power regulator, and the power regulator regulates and controls the electric energy supplied by the fuel cell, and the output electric power is the rated electric power of the fuel cell. The difference between the electrical power demanded by the load and the electrical power provided by the fuel cell is provided by the auxiliary power supply.

[0017] The system structure of the power regulator involved in the present invention is as follows: figure 2 shown. The power regulator of the fuel cell hybrid power supply is mainly composed of a DC / DC voltage converter and a current regulator cascaded. The DC / DC voltage converter receives electrical energy from the fuel cell, and then outpu...

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Abstract

The invention relates to a power regulator of a composite power source of a fuel battery, which is formed by cascade connection of a DC / DC voltage converter and a current regulator; the DC / DC voltage converter comprises a DC / DC circuit, a DC / DC controller, a first voltage sensor, a second voltage sensor which form a closed-loop control circuit of the output voltage of the fuel battery. The current regulator comprises a current regulating circuit, a current regulating circuit controller and a current sensor which form the closed-loop control circuit of the output current of the fuel battery. The power regulator of the composite power source of the fuel battery further comprises a voltage predictor controller of the fuel battery. The power regulator regulates the power output by the fuel battery, thus leading the fuel battery to output electric energy with rating output power when the load changes. The power regulator not only can ensure the fuel battery to provide stable electric energy for the load, but also can effectively improve the service life of the fuel battery.

Description

technical field [0001] The invention relates to the technical field of fuel cell hybrid electric energy management, in particular to a power conditioner for a fuel cell hybrid power supply. Background technique [0002] With the advancement of industrialization, human consumption of energy has increased rapidly, and excessive energy development and use have brought many negative effects. The traditional energy represented by oil and coal is gradually exhausted, and the energy crisis is becoming more and more prominent; in addition, the harmful substances produced in the process of energy use are increasingly polluting the environment, which has already affected human life. In order to alleviate the energy crisis and reduce environmental pollution, countries are actively developing and utilizing various new energy sources. [0003] Fuel cells have attracted widespread attention from all over the world due to their low pollution and high efficiency, and researchers in many co...

Claims

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Application Information

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IPC IPC(8): H02J7/00H02M3/10
Inventor 柳贵东张俊智
Owner TSINGHUA UNIV
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