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  2. The Best Solar-Powered Generators for Both Off-Grid ...

    www.aol.com/best-solar-powered-generators-both...

    Yeti 1500X Solar Generator. Optimized for campers who spend extended periods of time off-grid, this high-powered generator has a 600-watt input, allowing it to fully charge in just a few hours ...

  3. The Best Home Generators to Keep Your House or ... - AOL

    www.aol.com/best-home-generators-keep-house...

    Most home standby generators can run anywhere from 10,000 to 30,000 hours. If you were to use it for 100 hours per year, that translates to 10 to 30 years. Types of Generators

  4. Everything You Need to Know About Buying a Generator - AOL

    www.aol.com/everything-know-buying-generator...

    Home experts explain how to buy the best home generator, including cost, size, portable versus standby home generator, and more, to prepare for a power outage.

  5. Magnetohydrodynamic generator - Wikipedia

    en.wikipedia.org/wiki/Magnetohydrodynamic_generator

    The third and, currently, the most efficient design is the Hall effect disc generator. This design currently holds the efficiency and energy density records for MHD generation. A disc generator has fluid flowing between the center of a disc, and a duct wrapped around the edge. (The ducts are not shown.)

  6. Autonomous building - Wikipedia

    en.wikipedia.org/wiki/Autonomous_building

    Autonomous buildings are usually energy-efficient in operation, and therefore cost-efficient, for the obvious reason that smaller energy needs are easier to satisfy off-grid. But they may substitute energy production or other techniques to avoid diminishing returns in extreme conservation.

  7. Doubly fed electric machine - Wikipedia

    en.wikipedia.org/wiki/Doubly_fed_electric_machine

    Third, the cost of the converter is low when compared with other variable speed solutions because only a fraction of the mechanical power, typically 25–30%, is fed to the grid through the converter, the rest being fed to grid directly from the stator. The efficiency of the DFIG is very good for the same reason.

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