发明名称 INVERTER ABNORMALITY DETECTION DEVICE AND ABNORMALITY DETECTION METHOD
摘要 <P>PROBLEM TO BE SOLVED: To provide an inverter abnormality detection and measurement device which can simply and quickly detect inverter abnormality and can also be used for general purposes. <P>SOLUTION: An inverter abnormality detection device 10 of the present invention, which is used to detect abnormality in an inverter 30 connected to electric equipment, comprises: a measurement unit 11 which measure currents in respective phases of a multiphase AC current supplied from the inverter 30 to the electric equipment simultaneously by using a current measurement device 11a equipped with a current transformer and an ammeter; and a determination unit 12 which compares current values in respective phases measured by the measurement unit 11 with each other to determine abnormality. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013099195(A) 申请公布日期 2013.05.20
申请号 JP20110242160 申请日期 2011.11.04
申请人 C I KASEI CO LTD 发明人 FUJIWARA NAOTO;CHIBA HIROYUKI;KATO KAZUHIRO
分类号 H02M7/48;G01R19/00 主分类号 H02M7/48
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