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Transforming standards

IEEE style pad-mounted transformers have been used in the Americas and other parts of the world for a long time. However, it can still be somewhat of an unknown transformer style in some markets. With the increased demand from the USA, mostly for pad-mounted transformers for onshore wind farm and solar applications, transformer manufacturers from IEC markets may not be all that familiar. 

According to IEEE Standard C57.12.80 (IEEE Standard Terminology for Power and Distribution Transformers), the definition for a pad-mounted transformer is ’an outdoor transformer utilized as part of an underground distribution system, with enclosed compartment(s) for high-voltage and low-voltage cables entering from below, and mounted on a foundation pad.’ 

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