To provide a power conversion device whose inspection interval and life length are optimized.
A control unit 9 that controls the power conversion device includes: a time counting unit 20; a life length monitoring unit 21 that monitors the operation period; a forced parallel off commanding unit 22 that switches connection between the power conversion device and a power generation unit and connection between the power conversion device and a load part; an inspection period monitoring unit 23 that monitors the interval of inspection on the power conversion device; a forced stop commanding unit 24 that gives a command to stop the operation of the power conversion device; an inspection interval delay monitoring unit 25 that measures the period that lapsed after the passage of a due inspection date; an inspection display commanding unit 26 that notifies that the power conversion device requires inspection; an inspection interval initialization commanding unit 27 that sets the inspection interval to an initial value; a forced stop cancel commanding unit 28 that cancels the stop of the operation of the power conversion device; and a storage unit 30 that stores data for actuating the power conversion device.
COPYRIGHT: (C)2010,JPO&INPIT
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Toshio Morita
Yoshihei Nakamura
Yutaka Horii
Hisato Noda
Masayuki Sakai
Nobuo Arakawa