Alternatives For Fault And Overload Protection Of Pad Mounted Distribution Transformers

There are a great number of possible combinations of fault and overload protective devices which the user can apply to pad mounted distribution transformers. This paper will examine various protective devices and protective device combinations, evaluating each on the basis of safety, operating advantages, degree of protection and cost, while giving consideration to the intrinsic strength of the transformer enclosure, the environment in which the transformer operates, and the needs of the user.