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DIAGNOSTIC SYSTEM OF POWER GENERATION PERFORMANCE OF FUEL CELL, CORRECTION DEVICE, AND DIAGNOSTIC DEVICE, AND DIAGNOSTIC METHOD OF POWER GENERATION PERFORMANCE OF FUEL CELL
DIAGNOSTIC SYSTEM OF POWER GENERATION PERFORMANCE OF FUEL CELL, CORRECTION DEVICE, AND DIAGNOSTIC DEVICE, AND DIAGNOSTIC METHOD OF POWER GENERATION PERFORMANCE OF FUEL CELL
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机译：燃料电池，校正装置和诊断装置的发电性能的诊断系统以及燃料电池的发电性能的诊断方法
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摘要
PROBLEM TO BE SOLVED: To provide a diagnostic system of power generation performance of a fuel cell, capable of highly precisely identifying an abnormal portion of a fuel cell, a correction device, and a diagnostic device, and a diagnostic method of power generation performance of a fuel cell.SOLUTION: A diagnostic method of power generation performance of a fuel cell includes: a first step SA of measuring a disturbance magnetic field generated around a fuel cell stack 20 that includes a plurality of cells 205 stacked therein and a fixing member 208 for fixing the fuel cells 205; and a second step SB of, after changing a power generation current of the fuel cell stack 20 and suppressing the influence of the disturbance magnetic field having been measured in the first step SA, estimating a current density distribution at the inside of the fuel cell stack 20 for each power generation current using inverse analysis, and identifying an abnormal portion of the fuel cell stack 20 on the basis of the current density distribution having been estimated.SELECTED DRAWING: Figure 1A
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