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  2. Voltage converter - Wikipedia

    en.wikipedia.org/wiki/Voltage_converter

    A simple voltage dropper can be used to reduce the voltage for low-power devices; if more than 12V is required, or for high-powered devices, a switched-mode power supply is used. The output will usually be DC in the range 1.5–24 V. Power supplies that output either 100–120 V AC or 210–240 V AC are available; they are called inverters ...

  3. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    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 400 V 50 Hz Except: Western Australia, Fiji, Tonga and Papua New Guinea: 240/415 V Solomon Islands: 220/380 Austria: C F ÖVE-IG/EN 50075 ÖVE/ÖNORM E 8620 230 V

  4. Electricity sector in Ghana - Wikipedia

    en.wikipedia.org/wiki/Electricity_sector_in_Ghana

    It is the official goal of Ghana energy industry to have 10% of Ghana's energy mix come from renewable sources (not counting large-scale hydropower) by 2015 or at the very latest by 2020. [23] Ghana has Class 4-6 wind resources at locations of the high wind areas – such as Nkwanta, the Accra Plains, Kwahu and Gambaga mountains.

  5. Phase converter - Wikipedia

    en.wikipedia.org/wiki/Phase_converter

    An American Rotary Phase Converter with a Transformer. A phase converter is a device that converts electric power provided as single phase to multiple phase or vice versa. The majority of phase converters are used to produce three-phase electric power from a single-phase source, thus allowing the operation of three-phase equipment at a site that only has single-phase electrical service.

  6. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    The motor side of the unit in case Nos. 2 and 3 can be driven directly by an AC power source (typically when in inverter bypass), a 6-step double-conversion motor drive, or a 6-pulse inverter. Case No. 1 uses an integrated flywheel as a short-term energy source instead of batteries to allow time for external, electrically coupled gensets to ...

  7. 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.

  8. Split-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Split-phase_electric_power

    The neutral conductor is connected to ground at the transformer center tap. Circuits for lighting and small appliance power outlets use 120 V circuits connected between one line and neutral. High-demand applications, such as ovens, are often powered using 240 V AC circuits—these are connected between the two 120 V AC lines.

  9. HVDC converter - Wikipedia

    en.wikipedia.org/wiki/HVDC_converter

    An HVDC converter converts electric power from high voltage alternating current (AC) to high-voltage direct current (HVDC), or vice versa. HVDC is used as an alternative to AC for transmitting electrical energy over long distances or between AC power systems of different frequencies. [1]

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