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  2. Alternating current - Wikipedia

    en.wikipedia.org/wiki/Alternating_current

    The usual waveform of alternating current in most electric power circuits is a sine wave, whose positive half-period corresponds with positive direction of the current and vice versa (the full period is called a cycle). "Alternating current" most commonly refers to power distribution, but a wide range of other applications are technically ...

  3. Adams Power Plant Transformer House - Wikipedia

    en.wikipedia.org/wiki/Adams_Power_Plant...

    Adams Power Plant Transformer House in Niagara Falls, New York is a National Historic Landmarked building constructed in 1895. It is the only remaining structure that was part of the historic Edward Dean Adams Power Plant , the first large-scale, alternating current electric generating plant in the world, built in 1895.

  4. Ablaq - Wikipedia

    en.wikipedia.org/wiki/Ablaq

    Ablaq (Arabic: أبلق; particolored; literally 'piebald' [1]) is an architectural technique involving alternating or fluctuating rows of light and dark stone. [ 2 ] [ 3 ] It is an Arabic term [ 4 ] describing a technique associated with Islamic architecture in the Arab world . [ 5 ]

  5. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    A converter from alternating to direct current, where switching devices actively are operated in step with the positive and negative excursions of the supply. synchroscope An instrument used to bring an alternating current generator into synchronization with a grid, that uses a moving pointer or set of lamps. system identification

  6. Polyphase system - Wikipedia

    en.wikipedia.org/wiki/Polyphase_system

    One voltage cycle of a three-phase system. A polyphase system (the term coined by Silvanus Thompson) is a means of distributing alternating-current (AC) electrical power that utilizes more than one AC phase, which refers to the phase offset value (in degrees) between AC in multiple conducting wires; phases may also refer to the corresponding terminals and conductors, as in color codes.

  7. Broadband over power lines - Wikipedia

    en.wikipedia.org/wiki/Broadband_over_power_lines

    These data signals merge with the pre-existing alternating current (AC) power signals, leveraging the existing infrastructure without the need for extra cables. Signal Propagation: The injected BPL signals propagate through the power lines, utilizing them as transmission mediums. These signals travel along the electrical wiring, making their ...

  8. Power engineering - Wikipedia

    en.wikipedia.org/wiki/Power_engineering

    The station employed two waterwheels to produce an alternating current that was used to supply seven Siemens arc lamps at 250 volts and thirty-four incandescent lamps at 40 volts. [4] However supply was intermittent and in 1882 Thomas Edison and his company, The Edison Electric Light Company, developed the first steam-powered electric power ...

  9. Single-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Single-phase_electric_power

    In electrical engineering, single-phase electric power (abbreviated 1φ) is the distribution of alternating current electric power using a system in which all the voltages of the supply vary in unison. Single-phase distribution is used when loads are mostly lighting and heating, with few large electric motors.

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