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  2. Alternator - Wikipedia

    en.wikipedia.org/wiki/Alternator

    A brushless alternator is composed of two alternators built end-to-end on one shaft. Until 1966, alternators used brushes with rotating field. [20] With the advancement in semiconductor technology, brushless alternators are possible. Smaller brushless alternators may look like one unit, but the two parts are readily identifiable in the large ...

  3. Alternator (automotive) - Wikipedia

    en.wikipedia.org/wiki/Alternator_(automotive)

    Alternator (silver) mounted on a V8 engine Alternator voltage regulator (brushes are worn out) An alternator is a type of electric generator used in modern automobiles to charge the battery and to power the electrical system when its engine is running. Until the 1960s, automobiles used DC dynamo generators with commutators.

  4. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    For large power units, dynamic uninterruptible power supplies (DUPS) are sometimes used. A synchronous motor/alternator is connected on the mains via a choke. Energy is stored in a flywheel. When the mains power fails, an eddy-current regulation maintains the power on the load as long as the flywheel's energy is not exhausted.

  5. Linear alternator - Wikipedia

    en.wikipedia.org/wiki/Linear_alternator

    A linear alternator is essentially a linear motor used as an electrical generator. An alternator is a type of alternating current (AC) electrical generator. The devices are often physically equivalent.

  6. Compensated pulsed alternator - Wikipedia

    en.wikipedia.org/wiki/Compensated_pulsed_alternator

    A compensated pulsed alternator, [1] also known by the portmanteau compulsator, is a form of power supply. As the name suggests, it is an alternator that is "compensated" (see below) to make it better at delivering pulses of electrical energy than a normal alternator.

  7. Dynamo - Wikipedia

    en.wikipedia.org/wiki/Dynamo

    "Dynamo Electric Machine" (end view, partly section, U.S. patent 284,110) A dynamo is an electrical generator that creates direct current using a commutator.Dynamos were the first electrical generators capable of delivering power for industry, and the foundation upon which many other later electric-power conversion devices were based, including the electric motor, the alternating-current ...

  8. Yahoo Finance Chartbook: 44 charts that tell the story of ...

    www.aol.com/finance/yahoo-finance-chartbook-44...

    The last time we went past 5% was in mid-2007, and we all know how that story ends. Granted, 2025 is very different from 2007, both for good (a more stable banking system) and for bad (higher US ...

  9. Car longevity - Wikipedia

    en.wikipedia.org/wiki/Car_longevity

    Due in part to manufacturing improvements, such as tighter tolerances and better anti-corrosion coatings, in 2012 the typical car was estimated to last for 200,000 miles (320,000 km) [4] with the average car in 2024 lasting 160,545 miles according to the website Junk Car Reaper.

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