Transformer Parts and Functions

This 3D animated video discusses the three main types of transformers used in the power engineering industry, their parts and functions. All the transformer main components are discussed (core, windings, bushings etc.) as well as other pieces of equipment such as the Buchholz relay, tap changer, dehydrating breather etc.

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Introduction
All of the parts related to electrical transformers are discussed in this video.

Transformer Core
Thin laminate steel sheets clamped together to form a steel core. The core focuses the magnetic field.

Transformer Windings
Copper or aluminium windings allow current to flow. Current is induced in the secondary windings due to the magnetic field created by the current flowing in the primary winding.

Transformer Bushings
Used to connect the transformer windings to the external electrical circuit. Usually bushings are manufactured from Porcelain.

Transformer Tank
Used with hermetic and conservator type transformers to house the internal transformer components.

Buchholz Relay (similar to gas actuated relay)
Alarms and trips depending upon the type of fault present within the transformer and also if the insulating liquid level becomes low. Learn more:

https://www.youtube.com/watch?v=0orSXogBXvQ&list=PLjoH8XiKuSWl7qUpoI9iBA34RHQWE65Fp&t=2s&index=2

Radiators
Used for cooling of the transformer insulating liquid.

Magnetic Oil Gauge (MOG)
Used for measuring the insulating liquid level within the transformer conservator tank. Learn more:

https://www.youtube.com/watch?v=9kNIU8DvWkc&list=PLjoH8XiKuSWl7qUpoI9iBA34RHQWE65Fp&t=0s&index=6

Temperature Monitoring and Measurement
Used for measuring the transformer insulating liquid temperature and for controlling the cut-ins and cut-outs of pumps and fans etc. Learn more:

https://www.youtube.com/watch?v=2bgr55iJTz0&list=PLjoH8XiKuSWl7qUpoI9iBA34RHQWE65Fp&t=0s&index=7

Silica Gel Dehydrating Breather
Used for drying of the air as it is drawn into the conservator tank. The oil cup at the base of the unit is used to filter foreign particles. Learn more:

https://www.youtube.com/watch?v=_fjIgVh13D8&list=PLjoH8XiKuSWl7qUpoI9iBA34RHQWE65Fp&t=0s&index=3

Off and On Load Tap Changer
Used to change the number of taps on the transformer and thus the output voltage of the transformer. Learn more:

https://www.youtube.com/watch?v=_FLMta5QcUQ&list=PLjoH8XiKuSWl7qUpoI9iBA34RHQWE65Fp&t=0s&index=5

https://www.youtube.com/watch?v=f3uQQBDI1o4&list=PLjoH8XiKuSWl7qUpoI9iBA34RHQWE65Fp&t=0s&index=4

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You can read more about electrical transformers in our 3D technical encyclopaedia:

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This video lesson is part of our Introduction to Electrical Transformers course:

https://savree.com/en/electrical-transformer-course/

FREE Transformer Oil Analysis PDF:
https://savree.com/wp-content/uploads/2018/07/Trafol-Transformer-Oil-Analysis-PDF.pdf

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Видео Transformer Parts and Functions канала saVRee