A Good Instrument Transformers Video

Instrument transformers are specially designed to transform high system voltages and currents into smaller voltages and currents for remote metering and protection. Instrument transformers can be extremely accurate to allow the relay to protect the electrical system and still be isolated from dangerously high currents and voltages.I wrote and co-wrote some articles for the NETA World magazine on the two different kinds of instrument transformers.  You can download those article by viewing the following posts. Many of the techniques in these articles are covered in the video below and can help re-enforce some those techniques with another perspective.

This is another video from the previously mentioned series, and it is a long one.  However, it is a great introduction to the operation and testing of instrument transformers.

Instrument TransformerClick the image above or watch the instrument transformer video at http://youtu.be/T5U5M3RYx9Q

 

About the Author Chris Werstiuk

Chris is an Electrical Engineering Technologist, a Journeyman Power System Electrician, and a Professional Engineer. He is also the Author of The Relay Testing Handbook series and founder of Valence Electrical Training Services. You can find out more about Chris here.

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