APPARATUS AND METHOD FOR DIAGNOSING FAILURE IN FUEL CELL SYSTEM

The present disclosure relates to an apparatus and method for diagnosing a failure in a fuel cell system. To prevent degradation of a fuel cell stack due to abnormal supply of hydrogen, the apparatus includes a first pressure sensor that measures pressure of hydrogen supplied into the fuel cell stac...

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Hauptverfasser: JEONG SEONGOL, PARK HYO-JIN, KWEON SOON-GIL, KIM JONG-GYUN
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creator JEONG SEONGOL
PARK HYO-JIN
KWEON SOON-GIL
KIM JONG-GYUN
description The present disclosure relates to an apparatus and method for diagnosing a failure in a fuel cell system. To prevent degradation of a fuel cell stack due to abnormal supply of hydrogen, the apparatus includes a first pressure sensor that measures pressure of hydrogen supplied into the fuel cell stack, a second pressure sensor that measures the pressure of the hydrogen supplied into the fuel cell stack, and a controller that firstly diagnoses a supply state of the hydrogen based on a first pressure value measured by the first pressure sensor and a second pressure value measured by the second pressure sensor, and further diagnoses the supply state of the hydrogen based on an absolute value of a difference between the first pressure value and the second pressure value. 本公开涉及一种用于诊断燃料电池系统中的故障的设备和方法。为了防止由于氢气的异常供应导致燃料电池堆退化,该设备包括:第一压力传感器,测量供应到燃料电池堆中的氢气的压力;第二压力传感器,测量供应到燃料电池堆中的氢气的压力;以及控制器,基于第一压力传感器测量的第一压力值和第二压力传感器测量的第二压力值首先诊断氢气的供应状态,并且基于第一压力值和第二压力值之间的差值的绝对值进一步诊断氢气的供应状态。
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title APPARATUS AND METHOD FOR DIAGNOSING FAILURE IN FUEL CELL SYSTEM
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