Vibration diagnostic system for combined power plant

摘要

Recently, many combined power plants have been constructed or are being constructed in order to satisfy the various needs of electrical power generation. These combined power plants use jointly gas turbine generator systems and steam turbinegenerator systems. Therefore, the development of vibration diagnostic system for gas turbines used in the combined power plants is necessary in addition to the ones for the steam turbines which was developed a few years ago. This report presents a summary of the diagnostic systems for combined power plants which can monitor the vibration of the steam turbines and the gas turbines, and also detect plant failures and diagnose the cause of these failures at an early stage of the failure.