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  2. Autotransformer - Wikipedia

    en.wikipedia.org/wiki/Autotransformer

    In a step-up transformer, conversely, the load is attached across the full winding while the source is connected to a tap across a portion of the winding. For a step-up transformer, the subscripts in the above equations are reversed where, in this situation, N 2 {\displaystyle N_{2}} and V 2 {\displaystyle V_{2}} are greater than N 1 ...

  3. Electric power distribution - Wikipedia

    en.wikipedia.org/wiki/Electric_power_distribution

    Transformers step down transmission voltages, 35 kV or more, down to primary distribution voltages. These are medium voltage circuits, usually 600–35 000 V. [1] From the transformer, power goes to the busbar that can split the distribution power off in multiple directions. The bus distributes power to distribution lines, which fan out to ...

  4. Substation - Wikipedia

    en.wikipedia.org/wiki/Substation

    Increasing the voltage produced by electric power generation for efficient transmission over long distances, using step-up transformers [8] [9] Interconnection of different power grids [8] Reducing the voltage from transmission to lower-voltage distribution lines that supply individual homes or businesses [8] [9]

  5. Isolated-phase bus - Wikipedia

    en.wikipedia.org/wiki/Isolated-phase_bus

    In electrical engineering, isolated-phase bus (IPB), also known as phase-isolated bus (PIB) in some countries, is a method of construction for circuits carrying very large currents, typically between a generator and its step-up transformer in a steam or large hydroelectric power plant. Isolated phase bus during installation at the Bui Dam Ghana ...

  6. Transformer types - Wikipedia

    en.wikipedia.org/wiki/Transformer_types

    The core material a coil is wrapped around can increase its inductance dramatically – hundreds to thousands of times more than “air” – thereby raising the transformer's Q. The cores of such transformers tend to help performance the most at the lower end of the frequency band transformer was designed for.

  7. Electrical transformers could be a giant bottleneck waiting ...

    www.aol.com/finance/electrical-transformers...

    Historical precedent makes transformer manufacturers hesitant to scale up production too quickly. The same companies went into overdrive to meet rising electrical demand during the pre-2008 ...

  8. Korndörfer autotransformer starter - Wikipedia

    en.wikipedia.org/wiki/Korndörfer_Autotransformer...

    A further transient problem is that with a single coil construction and a star switch, the autotransformer acts as a step-up transformer during the <5 microsecond period at contact separation of the Star point switch. With the motor connected to the 80% voltage tap there will be an escalation of the transient by 5:1 ratio.

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