DETECTION METHOD AND PROTECTION DEVICE OF MALFUNCTION, AND ESTIMATION METHOD AND ESTIMATION DEVICE OF TEMPERATURE

摘要

PROBLEM TO BE SOLVED: To resolve a problem that a monitoring object is limited and heat generation in an unexpected part can not be dealt with, in a general detection method for abnormal heat generation.;SOLUTION: Temperatures are obtained from plural temperature sensors dispersively disposed in an apparatus of a protection object (S11). A temperature distribution form in the apparatus is calculated based on the obtained temperatures (S13). When the calculated temperature distribution form deviates from a predetermined standard (S14), a warning signal is outputted (S15).;COPYRIGHT: (C)2002,JPO