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Power control method for fuel cell bus and power system of fuel cell bus

A fuel cell and power control technology, applied in battery/fuel cell control devices, electric vehicles, electric traction, etc., can solve problems such as reducing the durability of fuel cell systems, and achieve long-term use, improve effectiveness and reliability Sexuality and the effect of saving input costs

Inactive Publication Date: 2016-08-10
ZHENGZHOU YUTONG BUS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a fuel cell bus power control method to solve the problem that the traditional power mode can reduce the durability of the fuel cell system

Method used

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  • Power control method for fuel cell bus and power system of fuel cell bus
  • Power control method for fuel cell bus and power system of fuel cell bus

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Embodiment Construction

[0021] method embodiment

[0022] The key point of the present invention is a fuel cell bus power control method. In order to facilitate the description of the control method, a fuel cell bus power system is first introduced below. The power system uses the power control method to control the power of the vehicle. Of course, the power control The method is not limited to the power system, for example, appropriate deformation of the power system or replacement of corresponding equipment with equivalent equipment is also within the protection scope of the present invention.

[0023] Such as figure 1 As shown, the power system of the fuel cell bus includes the following subsystems, namely the fuel cell subsystem, the power battery subsystem and the driving motor subsystem, wherein the fuel cell subsystem includes the fuel cell and the fuel cell controller, and the power battery subsystem The system includes a power battery and a power battery controller, and the drive motor subs...

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Abstract

The invention relates to a power control method for a fuel cell bus and a power system of the fuel cell bus. The power control method comprises the steps that required power P of the bus is acquired in real time; when the required power P of the bus meets the condition that P is smaller than Pfc, a fuel cell operates at Pfc, and a (Pfc-P) part charges a power cell; when the required power P of the bus meets the condition that P is larger than or equal to Pfc and is smaller than Pfce, the fuel cell operates at Pfce, and a (Pfce-P) part charges the power cell; when the required power P of the bus meets the condition that P is larger than or equal to Pfce, the fuel cell operates at Pfce, and a (P-Pfce) part is provided by the power cell, wherein Pfc and Pfce are two set threshold values of certain output power of the fuel cell. With adoption of the control mode, the output power of the fuel cell is prevented from frequent fluctuation and continuous loading and unloading, the durability of the fuel cell can be improved, investment cost is saved, and reliable operation of the power system is guaranteed.

Description

technical field [0001] The invention relates to a fuel cell bus power control method and a fuel cell bus power system. Background technique [0002] At present, the fuel cell system control used in the known fuel cell bus power system is relatively simple and extensive, and its output power fluctuates frequently with the vehicle operating conditions, and the fuel cell system is constantly loaded and unloaded, which greatly reduces the durability of the fuel cell system. It is not conducive to the long-term use of the fuel cell system. Contents of the invention [0003] The purpose of the present invention is to provide a fuel cell bus power control method to solve the problem that the traditional power mode can reduce the durability of the fuel cell system. The invention also provides a fuel cell bus power system. [0004] In order to achieve the above object, the solution of the present invention includes a fuel cell bus power control method, comprising the following st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18
CPCB60L58/40Y02T10/70
Inventor 王宗田李飞强柴结实李进李玉鹏孟德水李贺
Owner ZHENGZHOU YUTONG BUS CO LTD
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