• power transmission. In addition to these losses of energy, there may be non-technical loss of revenue and profit, leading to electrical energy generated...
    4 KB (377 words) - 21:13, 13 August 2023
  • Thumbnail for Electricity
    of generation must always be held in reserve to cushion an electrical grid against inevitable disturbances and losses. With increasing levels of variable...
    84 KB (9,396 words) - 06:01, 16 April 2025
  • Thumbnail for Electric power distribution
    first US AC transformer systems, highlighting the deaths caused by high-voltage AC systems over the years and claiming any AC system was inherently dangerous...
    27 KB (3,189 words) - 07:58, 25 May 2025
  • Thumbnail for Electric power transmission
    known as the electrical grid. Efficient long-distance transmission of electric power requires high voltages. This reduces the losses produced by strong...
    82 KB (9,802 words) - 15:25, 13 May 2025
  • Thumbnail for Ground (electricity)
    This is called "system grounding" and most electrical systems are required to be grounded. The U.S. NEC and the UK's BS 7671 list systems that are required...
    43 KB (5,600 words) - 11:34, 28 May 2025
  • Thumbnail for Emergency power system
    system is an independent source of electrical power that supports important electrical systems on loss of normal power supply. A standby power system...
    11 KB (1,438 words) - 04:36, 12 February 2025
  • Miscellaneous electric load Parasitic load AC adapter Losses in electrical systems "Vampire Power - The Ghost In The Machine". Silanna Semiconductor. 7 September...
    31 KB (3,783 words) - 21:31, 4 May 2025
  • In physics, the dissipation factor (DF) is a measure of loss-rate of energy of a mode of oscillation (mechanical, electrical, or electromechanical) in...
    5 KB (628 words) - 05:22, 23 February 2024
  • Leakage (electronics) (category Electrical parameters)
    diode characteristics. Grid leak Quiescent current Losses in electrical systems Parasitic losses Residual-current circuit breaker Associated Research...
    8 KB (999 words) - 21:29, 25 May 2025
  • Thumbnail for Costa Concordia
    Costa Concordia (category Maritime incidents in 2012)
    made in the port-side hull, along three compartments of the engine room (deck 0). This resulted in loss of propulsion and loss of electrical systems, which...
    39 KB (3,056 words) - 18:51, 15 May 2025
  • electrical devices. Copper losses are an undesirable transfer of energy, as are core losses, which result from induced currents in adjacent components. The...
    4 KB (481 words) - 11:44, 6 September 2023
  • Thumbnail for Electrical ballast
    An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit. A familiar and widely used example...
    24 KB (3,013 words) - 23:48, 14 April 2025
  • standards and practices for electrical systems (as well as other departments such as water and fuel-gas systems). That creates a system whereby a city can best...
    22 KB (2,884 words) - 13:05, 4 May 2025
  • Thumbnail for Impedance matching
    Impedance matching (category Articles lacking in-text citations from October 2023)
    In electrical engineering, impedance matching is the practice of designing or adjusting the input impedance or output impedance of an electrical device...
    32 KB (4,650 words) - 17:46, 13 September 2024
  • Thumbnail for Electrical termination
    misoperation of digital systems. Reflections in analog signal systems cause such effects as video ghosting, or power loss in radio transmitter transmission...
    8 KB (858 words) - 02:57, 20 January 2025
  • Thumbnail for Power outage
    generators, which will automatically start up when electrical power is lost. Other critical systems, such as telecommunication, are also required to have...
    25 KB (2,867 words) - 06:29, 25 May 2025
  • Thumbnail for Transformer
    In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple...
    84 KB (9,251 words) - 15:40, 24 May 2025
  • Thumbnail for Electrical grid
    Cuffe, Paul; Keane, Andrew (2017). "Visualizing the Electrical Structure of Power Systems". IEEE Systems Journal. 11 (3): 1810–1821. Bibcode:2017ISysJ..11...
    53 KB (6,827 words) - 13:20, 30 April 2025
  • Thumbnail for Power engineering
    Power engineering, also called power systems engineering, is a subfield of electrical engineering that deals with the generation, transmission, distribution...
    18 KB (1,915 words) - 20:57, 28 March 2025
  • Power factor (category Electrical parameters)
    In electrical engineering, the power factor of an AC power system is defined as the ratio of the real power absorbed by the load to the apparent power...
    44 KB (5,807 words) - 10:45, 18 April 2025
  • Thumbnail for Electrical steel
    steel cores can have core losses of one-third that of conventional electrical steels. Electrical steel is usually manufactured in cold-rolled strips less...
    14 KB (1,505 words) - 02:58, 26 February 2025
  • Thumbnail for Polyphase system
    Polyphase systems have two or more energized electrical conductors carrying alternating currents with a defined phase between the voltage waves in each conductor...
    10 KB (1,234 words) - 11:17, 5 September 2024
  • Loss of load in an electrical grid is a term used to describe the situation when the available generation capacity is less than the system load. Multiple...
    8 KB (872 words) - 21:51, 7 May 2024
  • Thumbnail for Electrical injury
    permanently-installed electrical systems in buildings. Shock danger may be reduced by use of an extra-low voltage electrical system that is unlikely to...
    53 KB (5,921 words) - 13:10, 27 May 2025
  • Thumbnail for Electric power system
    power system is a network of electrical components deployed to supply, transfer, and use electric power. An example of a power system is the electrical grid...
    50 KB (6,296 words) - 03:19, 6 March 2025
  • mounting, cabling, and other electrical accessories to set up a working system. Many utility-scale PV systems use tracking systems that follow the sun's daily...
    124 KB (13,846 words) - 19:12, 22 May 2025
  • Thumbnail for Electrical resistance and conductance
    resistive heating. The dissipation of electrical energy is often undesired, particularly in the case of transmission losses in power lines. High voltage transmission...
    34 KB (3,871 words) - 19:53, 15 April 2025
  • Slack bus (category Electrical engineering)
    In electrical power systems a slack bus (or swing bus), defined as a Vδ bus, is used to balance the active power | P | {\displaystyle |P|} and reactive...
    7 KB (1,061 words) - 02:28, 4 April 2025
  • Thumbnail for Input impedance
    Input impedance (category Electrical parameters)
    In electrical engineering, the input impedance of an electrical network is the measure of the opposition to current (impedance), both static (resistance)...
    10 KB (1,439 words) - 23:07, 16 December 2024
  • Thumbnail for Electric motor
    VFDs. Motor losses are mainly due to resistive losses in windings, core losses and mechanical losses in bearings, and aerodynamic losses, particularly...
    119 KB (13,091 words) - 11:06, 17 May 2025