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  2. Keep the Lights on With This Portable Generator That ... - AOL

    www.aol.com/keep-lights-portable-generator...

    Before you’re caught off guard by the next power outage, get this Champion 2500-Watt Portable Generator for almost half off at Amazon.

  3. It Pays to Be Prepared, and This Champion Portable Generator ...

    www.aol.com/pays-prepared-champion-portable...

    Champion’s portable generators have done well in our testing for providing emergency backup power. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 ...

  4. Power inverter - Wikipedia

    en.wikipedia.org/wiki/Power_inverter

    A power inverter, inverter, or invertor is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). [1] The resulting AC frequency obtained depends on the particular device employed. Inverters do the opposite of rectifiers which were originally large electromechanical devices converting AC to DC. [2]

  5. Diesel generator - Wikipedia

    en.wikipedia.org/wiki/Diesel_generator

    A 200 kW Caterpillar diesel generator set in a sound attenuated enclosure used as an emergency backup at a sewage treatment substation in Atlanta, United States. A diesel generator (DG) (also known as a diesel GenSet) is the combination of a diesel engine with an electric generator (often an alternator) to generate electrical energy. [1]

  6. Rotary converter - Wikipedia

    en.wikipedia.org/wiki/Rotary_converter

    1909 500 kW Westinghouse rotary converter. A rotary converter is a type of electrical machine which acts as a mechanical rectifier, inverter or frequency converter.. Rotary converters were used to convert alternating current (AC) to direct current (DC), or DC to AC power, before the advent of chemical or solid state power rectification and inverting.