The Momina Klisura hydroelectric power station is the lowest in elevation of four hydropower stations on the Belmeken-Sestrimo-Chaira cascade on the Maritza river. It is heavily influenced by the perennial climatic changes of the region, so during periods of low rainfall, machine availability is critical. Downtime due to machine faults is unacceptable, making reliable monitoring vitally important. Challenge To install an integrated monitoring system that includes diverse techniques, and monitors these parameters for different operational conditions. Solution A comprehensive vibration and process parameter monitoring system was installed on two generating units at the hydropower station. Results Initial results have been positive, with the monitoring system also being used to help

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