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  2. Pad-mounted transformer - Wikipedia

    en.wikipedia.org/wiki/Pad-mounted_transformer

    Pad-mount transformers operate on medium-voltage distribution systems, up to about 35 kV. The low-voltage winding matches the customer requirement and may be single-phase or three-phase. Pad-mount transformers are (nearly always) oil-filled units and so must be mounted outdoors only. The core and coils are enclosed in a steel oil-filled tank ...

  3. Distribution transformer - Wikipedia

    en.wikipedia.org/wiki/Distribution_transformer

    Phase-to-phase transformer in Britain Primary line on the right toward the front and secondary lines in the back of this single-phase transformer. Both pole-mounted and pad-mounted transformers convert the overhead or underground distribution lines' high 'primary' voltage to the lower 'secondary' or 'utilization' voltage inside the building.

  4. Mr. Ouch - Wikipedia

    en.wikipedia.org/wiki/Mr._Ouch

    A photo of a warning label, on the outside of a pad-mounted transformer in 2011. [d] The intended usage of 'Mr. Ouch' labels, are ground level electrical equipment, often pad-mounted transformers, that are accessible by members of the public, such as those situated in residential neighborhoods, parks, shopping centers, and near schools. [1]

  5. Delta-wye transformer - Wikipedia

    en.wikipedia.org/wiki/Delta-wye_transformer

    A delta-wye transformer is a type of three-phase electric power transformer design that employs delta-connected windings on its primary and wye/star connected windings on its secondary. A neutral wire can be provided on wye output side. It can be a single three-phase transformer, or built from three independent single-phase units.

  6. ProlecGE - Wikipedia

    en.wikipedia.org/wiki/ProlecGE

    ProlecGE is a Mexican transformer manufacturer located in the city of Apodaca, Nuevo León, Mexico.The joint venture between Grupo Xignux and General Electric (49.99%) [1] is one of the largest transformer manufacturers in the Americas, with a 14% share of the transformer market in the United States in 2014. [2]

  7. High-leg delta - Wikipedia

    en.wikipedia.org/wiki/High-leg_delta

    High-leg delta service is supplied in one of two ways. One is by a three-phase transformer (or three single-phase transformers), having four wires coming out of the secondary, the three phases, plus a neutral connected as a center-tap on one of the windings. Another method (the open delta configuration) requires two transformers.

  8. Amorphous metal transformer - Wikipedia

    en.wikipedia.org/wiki/Amorphous_metal_transformer

    An amorphous metal transformer (AMT) is a type of energy efficient transformer found on electric grids. [1] The magnetic core of this transformer is made with a ferromagnetic amorphous metal . The typical material ( Metglas ) is an alloy of iron with boron , silicon , and phosphorus in the form of thin (e.g. 25 μm) foils rapidly cooled from melt.

  9. Distribution Transformer Monitor - Wikipedia

    en.wikipedia.org/wiki/Distribution_Transformer...

    The DTM is typically retrofitted onto pole top and pad mount transformers. A pole top (above ground) or pad mount (below ground) transformer commonly powers anywhere from 5-8 homes in the US and is the last voltage transition in stepping down voltage before it gets to the home or business. [1]

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