• Thumbnail for Three-phase electric power
    Three-phase electric power (abbreviated 3ϕ) is a common type of alternating current (AC) used in electricity generation, transmission, and distribution...
    57 KB (6,666 words) - 11:27, 24 May 2025
  • Thumbnail for Mathematics of three-phase electric power
    In electrical engineering, three-phase electric power systems have at least three conductors carrying alternating voltages that are offset in time by one-third...
    14 KB (2,554 words) - 10:43, 26 August 2024
  • Thumbnail for Single-phase electric power
    electrical engineering, single-phase electric power (abbreviated 1φ) is the distribution of alternating current electric power using a system in which all...
    6 KB (745 words) - 06:12, 4 August 2024
  • Thumbnail for Split-phase electric power
    A split-phase or single-phase three-wire system is a type of single-phase electric power distribution. It is the alternating current (AC) equivalent of...
    12 KB (1,820 words) - 23:13, 20 February 2025
  • Thumbnail for Two-phase electric power
    Two-phase electrical power was an early 20th-century polyphase alternating current electric power distribution system. Two circuits were used, with voltage...
    6 KB (766 words) - 05:30, 30 June 2023
  • Thumbnail for Polyphase system
    use three-phase voltage, with a phase angle of 120° (or 2π/3 radians). Polyphase systems are particularly useful for transmitting power to electric motors...
    10 KB (1,234 words) - 11:17, 5 September 2024
  • Thumbnail for Electric power system
    Specialized power systems that do not always rely upon three-phase AC power are found in aircraft, electric rail systems, ocean liners, submarines, and automobiles...
    50 KB (6,296 words) - 03:19, 6 March 2025
  • Thumbnail for Synchronous condenser
    Synchronous condenser (category Electric power transmission)
    purpose is not to convert electric power to mechanical power or vice versa, but to adjust conditions on the three phase electric power transmission grid. Its...
    17 KB (2,263 words) - 02:22, 8 May 2025
  • Thumbnail for Power station
    converts mechanical power into three-phase electric power. The relative motion between a magnetic field and a conductor creates an electric current. The energy...
    45 KB (5,264 words) - 01:53, 2 April 2025
  • Thumbnail for High-leg delta
    High-leg delta (category Three-phase AC power)
    connection for three-phase electric power installations. It is used when both single and three-phase power is desired to be supplied from a three phase transformer...
    10 KB (1,424 words) - 20:47, 16 May 2025
  • Thumbnail for Electric power distribution
    Electric power distribution is the final stage in the delivery of electricity. Electricity is carried from the transmission system to individual consumers...
    27 KB (3,189 words) - 07:58, 25 May 2025
  • Thumbnail for Three-phase AC railway electrification
    Three-phase AC railway electrification, which promised some advantages over established DC electric rail power and steam traction, started at the turn...
    15 KB (1,863 words) - 07:25, 1 June 2025
  • Thumbnail for Rotary phase converter
    single-phase electric power is used to produce three-phase electric power locally to run three-phase loads in premises where only single-phase is available...
    14 KB (1,962 words) - 20:12, 17 May 2025
  • Thumbnail for Delta-wye transformer
    Delta-wye transformer (category Three-phase AC power)
    A delta-wye transformer is a type of three-phase electric power transformer design that employs delta-connected windings on its primary and wye/star connected...
    3 KB (278 words) - 19:37, 13 November 2023
  • Thumbnail for Mains electricity by country
    International Electrotechnical Commission. Retrieved 27 February 2025. "Three-phase electric power (industrial applications only)" (Archived copy). Archived from...
    83 KB (2,649 words) - 16:15, 19 May 2025
  • Thumbnail for Phase converter
    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...
    9 KB (1,183 words) - 04:30, 22 April 2025
  • Thumbnail for Mains electricity
    400 V three-phase electric power, which gives 230 V between any single phase and neutral; house wiring may be a mix of three-phase and single-phase circuits...
    29 KB (3,653 words) - 03:09, 30 May 2025
  • Thumbnail for Electric power transmission
    (500 kV) three-phase transmission tower in Washington State, the line is bundled 3-ways Three abreast electrical pylons in Webster, Texas Electric power can...
    82 KB (9,802 words) - 15:25, 13 May 2025
  • Thumbnail for Ural (computer)
    90-100 square metres of space. The computer ran on three-phase electric power and had a three-phase magnetic voltage stabiliser with 30kVA capacity. The...
    5 KB (511 words) - 15:26, 30 April 2025
  • Thumbnail for Induction motor
    H. Wayne, ed. (2006). "Section 5 – Three-Phase Induction Motors by Hashem Oraee" (PDF). Handbook of Electric Power Calculations (3rd ed.). New York: McGraw-Hill...
    56 KB (5,509 words) - 02:15, 26 May 2025
  • Thumbnail for Electrical grid
    delivery, known as the power grid. Grids are nearly always synchronous, meaning all distribution areas operate with three phase alternating current (AC)...
    53 KB (6,827 words) - 13:20, 30 April 2025
  • Thumbnail for John Hopkinson
    twice in 1890 and 1896. He invented the three-wire (three-phase) system for the distribution of electrical power, for which he was granted a patent in 1882...
    12 KB (1,217 words) - 14:41, 29 May 2025
  • Thumbnail for Electric current
    electromagnetism units Single-phase electric power Static electricity Three-phase electric power Two-phase electric power Our first step in the analysis...
    36 KB (4,349 words) - 07:39, 22 May 2025
  • operations per second on five-digit numbers power consumption: 1.5 kW (using 380V three-phase electric power) weight: about 400 kg List of Russian inventions...
    4 KB (238 words) - 03:55, 5 December 2021
  • Thumbnail for Experimental three-phase railcar
    The Three-phase railcar (Ger: Drehstrom-Triebwagen) was an experimental three-phase high-voltage alternating current powered high speed railcar concept...
    7 KB (838 words) - 16:09, 18 February 2025
  • Thumbnail for Diesel generator
    Load management Motor–generator Single-phase generator Standby generator Stationary engine Three-phase electric power Wet stacking "Emergency Standby Diesel...
    22 KB (3,004 words) - 21:33, 1 May 2025
  • Thumbnail for Electro Thermal Dynamic Stripping Process
    three phase electric power to heat the subsurface with electrodes. Electrodes are placed at various depths and locations in the formation. Electric current...
    11 KB (1,520 words) - 17:48, 18 October 2020
  • Thumbnail for Transmission tower
    hydroelectricity is the principal source of electricity for the country. Three-phase electric power systems are used for high voltage (66- or 69-kV and above) and...
    50 KB (4,652 words) - 16:28, 19 March 2025
  • Transposition (transmission lines) (category Electric power transmission)
    impedance relative to the ground, thus avoiding one-sided loads in three-phase electric power systems. Transposing is an effective measure for the reduction...
    8 KB (1,053 words) - 17:41, 4 March 2024
  • Single-phase electric power, distribution of AC electric power in a system where the voltages of the supply vary in unison Three-phase electric power, a common...
    4 KB (548 words) - 13:42, 22 May 2025