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  2. Zigzag transformer - Wikipedia

    en.wikipedia.org/wiki/Zigzag_transformer

    A conventional six-winding, grounding transformer or zigzag bank, [1] with the same winding and core quantity as a conventional three-phase transformer, can also be used in zigzag winding connection. In all cases the first coil on each zigzag winding core is connected contrariwise to the second coil on the next core.

  3. Grounding transformer - Wikipedia

    en.wikipedia.org/wiki/Grounding_transformer

    Provide a source of ground fault current during line-to-ground faults. Permit the connection of phase-to-neutral loads when desired. [2] Earthing transformer with a zig-zag. Grounding transformers most commonly incorporate a single winding transformer with a zigzag winding configuration, but may also be created with a (rare case) delta-wye ...

  4. Autotransformer - Wikipedia

    en.wikipedia.org/wiki/Autotransformer

    A special form of auto transformer called a zig zag is used to provide grounding on three-phase systems that otherwise have no connection to ground. A zig-zag transformer provides a path for current that is common to all three phases (so-called zero sequence current).

  5. Category:Electric transformers - Wikipedia

    en.wikipedia.org/wiki/Category:Electric_transformers

    Electric transformer manufacturers (12 P) ... Grounding transformer; Growler (electrical device) ... Zigzag transformer This page was last ...

  6. Transformer types - Wikipedia

    en.wikipedia.org/wiki/Transformer_types

    If the secondary is a delta winding, the ground may be connected to a center tap on one winding (high leg delta) or one phase may be grounded (corner grounded delta). A special purpose polyphase transformer is the zigzag transformer. There are many possible configurations that may involve more or fewer than six windings and various tap connections.

  7. 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]