Classification of Transformer Windings Types Using Frequency Response Analysis by Machine Learning Method

A considerable amount of power transformers in operation do not own Original Equipment Manufacturer (OEM) technical support. It is desirable and feasible to obtain the related design information by interpreting …

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Magic to visualise the invisible: a comparison on the optical methods to visualise streamers in insulating liquids

The prebreakdown and breakdown phenomenon in liquids is termed as ‘Streamer’. To better understand the mechanism of liquid breakdown, we need to have deep insights into the streamer process, which …

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Beat the Detection Limit of Partial Discharge Acoustic Emission within Transformer by the Use of Fiber Optic Sensor

Partial discharge (PD) detection is commonly used for power transformer diagnosis. During PD process, electromagnetic emission, acoustic emission and optical emission can be detected, associated with chemical traces left simultaneously …

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Investigation on Vibration Generation and Transmission Characteristics in Power Transformers

Introduction Transformer tank vibration mainly originates from the core and windings vibration, and they can be easily acquired. Therefore, the vibroacoustic signals of a transformer tank are widely adopted to …

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