抄録
Maintenance of regional-energy system is to play a key role in keeping the same level of electric quality and cost we buy power from the power producer. The engines are usually running at high load and in long time, 4,000-8,000 hours per year, then the practice of appropriate maintenance effects greatly a span in their life. For the above, the remote monitoring and maintenance system has put into practical use, and the introduction of risk base maintenance has been investigated.
