11kV Cast Resin Transformer Replacement For Medium Voltage Packaged Substations

By Chris Dodds on 30th September, 2016

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Image: 11kV Cast Resin Transformer Replacement For Medium Voltage Packaged Substations

Pictured: Thomas Probert - Electrical Engineer at Johnson & Phillips Capacitors

Johnson & Phillips Capacitors are market-leading providers of Power Engineering Services throughtout the UK & Internationally.

 

A few words from Thomas:

"This took place on a manufacturing site in Bristol. They have 4 packaged medium voltage substations, each with their own cast resin transformer, manufactured by Magnatek. We previously carried out testing at each substation, finding out that each transformer had a low impedance reading, meaning that they had a low fault current. Also within each transformer they had 22,000 watts of losses due to the cores breaking down. This meant that their electricity bill was quite big, even before they switch a light on. By replacing the transformers, they will have a reliable and dependable power distribution system for incoming future. Only now, they will have 4000 watts of losses per transformer."

 

• Further reading

11kV Cable Box Terminations (Compound Filled) - Breaking Down & Terminating With Triplex Cables

11kV Cable Jointing - Outdoors, At Night, In The Rain & A Muddy Hole

11kV 33kV Screen Removal Of Easy Peel Screens From MV-HV Power Cables Using Prysmian Tools

 

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