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  2. Coil winding technology - Wikipedia

    en.wikipedia.org/wiki/Coil_winding_technology

    Coil winding technology. In electrical engineering, coil winding is the manufacture of electromagnetic coils. Coils are used as components of circuits, and to provide the magnetic field of motors, transformers, and generators, and in the manufacture of loudspeakers and microphones. The shape and dimensions of a winding are designed to fulfill ...

  3. Armature (electrical) - Wikipedia

    en.wikipedia.org/wiki/Armature_(electrical)

    Coils of the winding are distributed over the entire surface of the air gap, which may be the rotor or the stator of the machine. In a "lap" winding, there are as many current paths between the brush (or line) connections as there are poles in the field winding.

  4. Winding factor - Wikipedia

    en.wikipedia.org/wiki/Winding_factor

    Winding factor is the ratio of electromotive force (EMF) produced by a stator having a short-pitch, distributed, or skewed winding, with a stator having full-pitch, concentrated, and non-skewed, windings. For most alternators, the stator acts as the armature. Winding factor also applies to other electric machines, but this article focuses on ...

  5. Electromagnetic coil - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_coil

    Electromagnetic coil. The magnetic field lines (green) of a current-carrying loop of wire pass through the center of the loop, concentrating the field there. An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil (spiral or helix). [1][2] Electromagnetic coils are used in electrical engineering, in applications ...

  6. Zigzag transformer - Wikipedia

    en.wikipedia.org/wiki/Zigzag_transformer

    Zigzag transformer. A zigzag transformer winding is a special-purpose transformer winding with a zigzag or "interconnected star" connection, such that each output is the vector sum of two (2) phases offset by 120°. [1] It is used as a grounding transformer, creating a missing neutral connection from an ungrounded 3-phase system to permit the ...

  7. Bifilar coil - Wikipedia

    en.wikipedia.org/wiki/Bifilar_coil

    A bifilar coil is an electromagnetic coil that contains two closely spaced, parallel windings. In electrical engineering, the word bifilar describes wire which is made of two filaments or strands. It is commonly used to denote special types of winding wire for transformers. Wire can be purchased in bifilar form, usually as different colored ...

  8. Basket winding - Wikipedia

    en.wikipedia.org/wiki/Basket_winding

    Basket winding (or basket-weave winding or honeycomb winding or scatter winding) is a winding method for electrical wire in a coil. The winding pattern is used for radio-frequency electronic components with many parallel wires, such as inductors and transformers. The winding pattern reduces the amount of wire running in adjacent, parallel turns ...

  9. Polyphase system - Wikipedia

    en.wikipedia.org/wiki/Polyphase_system

    In the very early days of commercial electric power, some installations used two-phase four-wire systems for motors. The chief advantage of these was that the winding configuration was the same as for a single-phase capacitor-start motor and, by using a four-wire system, conceptually the phases were independent and easy to analyse with mathematical tools available at the time.

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