Mitsubishi Hitachi Power Systems, Ltd.

Mitsubishi Power, Ltd.

Pradeepa Wevita

Takashi Sonoda

Hiromi Aota

Junya Iwasaki

An operation information analyzer includes: an information collection unitconfigured to collect event information on events that have occurred during operation of an apparatusincluding a plurality of devices; an information analysis unitconfigured to organize the collected event information to generate and store index values used to evaluate operation conditions of the apparatus; and an information presentation unitconfigured to present the index values stored in the information analysis unitto a user. The information analysis unitgenerates the index values for each period sectioned based on a change in an operation state of the apparatus.

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Kanagawa, Japan

Pradeepa Wevita