E-lesson: L2 TCA Course – e-lesson #8 – Vibration and sound analysis: Master’s level

What you will learn here:

• Provide an understanding of Vibration Analysis used to determine the clamping pressures (tightness) of an oil filled power transformer
• Frequencies used to determine looseness
• Core form vs Shell form: determining where to take readings and the importance of follow up readings
• Vibration Analysis of oil circulation pumps in the cooling system will also be provided
• Ultrasonic (acoustic emission) analysis of transformer main windings and pumps/motors
• Sound Level Analysis of oil filled power transformers and how the sound levels relate to core tightness
• A weighting vs C weighting
• Determining where to take the sound level readings

Keywords: vibration analysis, sound level analysis, frequency shift, core form, shell form, A weighting vs C weighting