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  2. High-voltage direct current - Wikipedia

    en.wikipedia.org/wiki/High-voltage_direct_current

    Long distance HVDC lines carrying hydroelectricity from Canada's Nelson River to this converter station where it is converted to AC for use in southern Manitoba's grid. A high-voltage direct current (HVDC) electric power transmission system uses direct current (DC) for electric power transmission, in contrast with the more common alternating current (AC) transmission systems. [1]

  3. Flexible AC transmission system - Wikipedia

    en.wikipedia.org/wiki/Flexible_AC_transmission...

    e. A Flexible Alternating Current Transmission System (FACTS) is a family of Power-Electronic based devices designed for use on an Alternating Current (AC) Transmission System to improve and control Power Flow and support Voltage. FACTs devices are alternatives to traditional electric grid solutions and improvements, where building additional ...

  4. Electric power conversion - Wikipedia

    en.wikipedia.org/wiki/Electric_power_conversion

    Recloser. Protective relay. v. t. e. In electrical engineering, power conversion is the process of converting electric energy from one form to another. A power converter is an electrical device for converting electrical energy between alternating current (AC) and direct current (DC). It can also change the voltage or frequency of the current.

  5. HVDC converter station - Wikipedia

    en.wikipedia.org/wiki/HVDC_converter_station

    An HVDC converter station (or simply converter station) is a specialised type of substation which forms the terminal equipment for a high-voltage direct current (HVDC) transmission line. [1] It converts direct current to alternating current or the reverse. In addition to the converter, the station usually contains: three-phase alternating ...

  6. Alternating current - Wikipedia

    en.wikipedia.org/wiki/Alternating_current

    Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude continuously with time, in contrast to direct current (DC), which flows only in one direction. Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy ...

  7. Network analyzer (AC power) - Wikipedia

    en.wikipedia.org/wiki/Network_analyzer_(AC_power)

    A network analyzer system was essentially a scale model of the electrical properties of a specific power system. Generators, transmission lines, and loads were represented by miniature electrical components with scale values in proportion to the modeled system. [6] Model components were interconnected with flexible cords to represent the ...

  8. Electric power transmission - Wikipedia

    en.wikipedia.org/wiki/Electric_power_transmission

    Two additional circuits are obscured by trees on the far right. The entire 6809 MW [ 1 ] nameplate generation capacity of the dam is accommodated by these six circuits. Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation.

  9. Rotary converter - Wikipedia

    en.wikipedia.org/wiki/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. They were commonly used to provide DC ...