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  2. Voltage converter - Wikipedia

    en.wikipedia.org/wiki/Voltage_converter

    A transformer would be used for higher power. Transformers do not change the frequency of electricity; in many regions with 100–120 V, electricity is supplied at 60 Hz, and 210–240 V regions tend to use 50 Hz. This may affect operation of devices which depend on mains frequency (some audio turntables and mains-only electric clocks, etc ...

  3. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    60 Hz Antigua and Barbuda: A, B 230 V 400 V 60 Hz Argentina: C, I IRAM 2073 220 V [9] 380 V 50 Hz Line and neutral reversed compared to Chinese and Australian/NZ type I. Armenia: C, F 230 V 400 V 50 Hz Aruba: A, B, F 127 V 220 V 60 Hz Australia: I AS/NZS 3112: 230 V 240 V 400 V 415 V 50 Hz

  4. Power inverter - Wikipedia

    en.wikipedia.org/wiki/Power_inverter

    Waveform produced by a cigarette lighter 12 volt DC to 120 V AC 60 Hz inverter. The modified sine wave is the sum of two square waves, one of which is delayed one-quarter of the period with respect to the other. The result is a repeated voltage step sequence of zero, peak positive, zero, peak negative, and again zero.

  5. Electric power conversion - Wikipedia

    en.wikipedia.org/wiki/Electric_power_conversion

    Conversely, internal 400 Hz internal power may be converted to 50 Hz or 60 Hz for convenience power outlets available to passengers during flight. Certain specialized circuits can also be considered power converters, such as the flyback transformer subsystem powering a CRT , generating high voltage at approximately 15 kHz.

  6. Electricity sector in Nigeria - Wikipedia

    en.wikipedia.org/wiki/Electricity_sector_in_Nigeria

    Electricity generation in Nigeria began in Lagos in 1886 with the use of generators to provide 60 kW. [10] In 1923, tin miners installed a 2 MW plant on the Kwali River; six years later, the Nigerian Electricity Supply Company, a private firm, was established near Jos to manage a hydroelectric plant at Kura to power the mining industry.

  7. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    Most of the cost savings (and space savings) in off-line power supplies result from the smaller size of the high-frequency transformer compared to the 50/60 Hz transformers formerly used. There are additional design tradeoffs. [38] The terminal voltage of a transformer is proportional to the product of the core area, magnetic flux, and frequency.

  8. Homeowners have nearly 40x the wealth of renters. But what's ...

    www.aol.com/homeowners-nearly-40x-wealth-renters...

    More: Fannie and Freddie will back homes costing nearly $1 million as prices surge. Still, the scope of the problem – renters have a median net worth of just $10,400 compared to about $400,000 ...

  9. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    The main 50/60 Hz transformer used to convert between line voltage and battery voltage needs to provide two slightly different turns ratios: One to convert the battery output voltage (typically a multiple of 12 V) to line voltage, and a second one to convert the line voltage to a slightly higher battery charging voltage (such as a multiple of ...

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