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Open access

Ionel Rusa, Cornel Marin and Marius Baidoc

Abstract

The implementation of proactive maintenance is a necessity required by the development of modern technologies for the monitoring and exploitation of energy facilities and equipment. An important advantage of proactive maintenance is to permanently monitor the technical condition of the plant and equipment by vibration measurements and in the correct diagnosis in order to reasonably plan the required repairs. Turbo-aggregates are autonomous complex installations for producing electricity in refineries that operate in high power and high-speed modes. To monitor and control turbine vibrations, vibration sensors (uniaxial, biaxial and triaxial accelerometers) and proximity sensors (for relative displacements and lasers) are columned on bearing housings that transmit signals to data acquisition and processing systems as well is the Vibro-Expret diagnosis system presented in this paper.

Open access

Ionel Rusa, Cornel Marin and Marius Baidoc

Abstract

One important objectives of proactive maintenance are the knowledge of the technical state of machinery, the intelligent planning of interventions according to the diagnosis technique, identification and correction of assembling errors. The aim of this paper is to present a new case on the vibrations diagnosis of hydro-aggregate CAMPELA - CHE Dubasari (MOLDOVA). The VIBRO EXPERT diagnostic system used on the CAPMELA hydro-aggregate is designed to measure, monitor, diagnose, and analyze the technical and functional parameters in order to safe use of the hydro-aggregate turbine, using the vibrations data measurement. The proactive maintenance concept is being used more and more thanks to the development of these intelligent monitoring and control systems, in order to prevent interruptions due to major failures.