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System and method for emergency starting of fuel cell vehicle

一种燃料电池车、燃料电池的技术，应用在燃料电池、燃料电池助剂、电池/燃料电池控制装置等方向

Active Publication Date: 2014-12-24
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To apply this type of technology, there arises the problem that the LDC must be designed in a bidirectional manner so that it can convert low voltage to high voltage and a separate power conversion device suitable for this emergency start is required

Method used

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  • System and method for emergency starting of fuel cell vehicle
  • System and method for emergency starting of fuel cell vehicle
  • System and method for emergency starting of fuel cell vehicle

Examples

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Embodiment Construction

[0020] Reference should now be made to the drawings, wherein like reference numerals are used throughout to designate like or like parts.

[0021] It should be understood that the term "vehicle" or "vehicular" or other similar terms as used herein includes motor vehicles in general, for example, passenger vehicles including sport utility vehicles (SUVs), buses, trucks, commercial vehicles of all kinds, including various ships and watercraft of ships, aircraft, etc., and includes hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen vehicles, fuel cell vehicles and other alternative fuel vehicles (for example, fuels derived from sources other than petroleum ). As referred to herein, a hybrid vehicle is a vehicle that has two or more sources of power, for example, a vehicle that has gasoline power and electric power.

[0022] Also, it should be understood that the following methods / processes are performed by at least one controller. The term "controlle...

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PUM

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Abstract

A system and method for emergency starting of a fuel cell vehicle are provided. In particular, a high-voltage converter, a balance of power (BOP), and a controller are included in the system. The high-voltage converter is configured such that one side thereof is connected to a high-voltage battery via a battery switch and the other side thereof is connected in parallel to a plurality of fuel cells. The BOP is connected in parallel to the high-voltage converter and the fuel cells. The controller is configured to control the power supplied from the high-voltage battery to the BOP without conversion by connecting the battery switch upon the failure of the high-voltage converter or high-voltage battery.

Description

[0001] Cross References to Related Applications [0002] This application claims priority and benefit from Korean Patent Application No. 10-2013-0067698 filed with the Korean Intellectual Property Office on June 13, 2013, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention generally relates to a system and method for emergency start of a fuel cell vehicle, that is, when the fuel cell is in a non-generating state and at the same time the high voltage battery fails during normal operation, the fuel cell vehicle enters an emergency fuel cell The fuel cell works in place of a failed high-voltage battery. Background technique [0004] In a fuel cell hybrid vehicle, especially in a system using a fuel cell as the main power source, the fuel cell should be in a normal state of power generation to ensure proper vehicle operation. However, in some fuel cell vehicles, there are situations where power must be supplied to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18
CPCB60L3/0046B60L58/31B60L58/40B60L58/12Y02T90/40Y02T10/70Y02E60/50H01M8/04B60W20/00H01M8/00B60W10/28F02N11/0866H01M16/003B60L3/0053
Inventor 权相旭徐敬沅李南遇金大钟全淳一
Owner HYUNDAI MOTOR CO LTD