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The IEC 62271-202 standard defines and specifies the conditions of service, the rating, the general requirements and test methods of prefabricated transformer substations.
 
For almost three decades Ormazabal has been designing, developing, manufacturing and supplying prefabricated transformer and switching substations.
 
Throughout all these years, our prefabricated substations have evolved in order to form a broader range with flexible configurations for multiple applications.
 
Generally, a prefabricated transformer substation includes the following main components:
 
− Enclosure.
 
− Distribution transformers.
 
− HV and LV switchgear.
 
− HV and LV interconnections.
 
− Auxiliary equipment and circuits.
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