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Water Turbine vibration or acceleration

Posted:2020/4/9 0:00:00 Tags: Water Turbine

Summary Install a vibration meter (or accelerometer) in the bearing housing of the water turbine, etc., and measure the results of the analysis of the total amplitude and frequency of vibration (or accelerati

Install a vibration meter (or accelerometer) in the bearing housing of the water turbine, etc., and measure the results of the analysis of the total amplitude and frequency of vibration (or acceleration). As the monitoring object, in particular, use frequency analysis to monitor the total amplitude. When the value is not reflected, water turbine is possible to detect small abnormal signs and analyze the cause to determine, which is useful for strict maintenance management.

The vibration level at the water turbine bearings, etc., changes in addition to abnormalities such as rotation, but also changes due to the different operating conditions of the water turbine (such as start-up, shutdown, load conditions, etc.), so set the alarm limit According to various conditions, usually, the measured value at the beginning of the operation is set as the initial value. Especially at the time of start-up, since the amplitude is large and abnormality is likely to occur, it is particularly necessary to monitor.

Water Turbine vibration or acceleration