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  2. Electric power quality - Wikipedia

    en.wikipedia.org/wiki/Electric_power_quality

    Electric power quality is the degree to which the voltage, frequency, and waveform of a power supply system conform to established specifications. Good power quality can be defined as a steady supply voltage that stays within the prescribed range, steady AC frequency close to the rated value, and smooth voltage curve waveform (which resembles a sine wave).

  3. Smart grid - Wikipedia

    en.wikipedia.org/wiki/Smart_grid

    The smart grid is an enhancement of the 20th century electrical grid, using two-way communications and distributed so-called intelligent devices. [ 1 ] Two-way flows of electricity and information could improve the delivery network. Research is mainly focused on three systems of a smart grid – the infrastructure system, the management system ...

  4. Vehicle-to-grid - Wikipedia

    en.wikipedia.org/wiki/Vehicle-to-grid

    Vehicle-to-grid (V2G) describes a system in which plug-in electric vehicles (PEVs) sell demand response services to the grid. Demand services are either delivering electricity to the grid or reducing the rate of charge from the grid. Demand services reduce the peaks in demand for grid supply, and hence reduce the probability of disruption from ...

  5. Grid energy storage - Wikipedia

    en.wikipedia.org/wiki/Grid_energy_storage

    Grid energy storage (also called large-scale energy storage) is a collection of methods used for energy storage on a large scale within an electrical power grid. Electrical energy is stored during times when electricity is plentiful and inexpensive (especially from variable renewable energy sources such as wind power and solar power) or when ...

  6. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    A large data-center-scale UPS being installed by electricians. An uninterruptible power supply(UPS) or uninterruptible power sourceis a type of continual power systemthat provides automated backup electric powerto a loadwhen the input power source or mains powerfails. A UPS differs from a traditional auxiliary/emergency power systemor standby ...

  7. Photovoltaic system - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_system

    A photovoltaic system, also called a PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics.It consists of an arrangement of several components, including solar panels to absorb and convert sunlight into electricity, a solar inverter to convert the output from direct to alternating current, as well as mounting, cabling, and ...

  8. Battery energy storage system - Wikipedia

    en.wikipedia.org/wiki/Battery_energy_storage_system

    Tehachapi Energy Storage Project, Tehachapi, California. A battery energy storage system (BESS) or battery storage power station is a type of energy storage technology that uses a group of batteries to store electrical energy. Battery storage is the fastest responding dispatchable source of power on electric grids, and it is used to stabilise ...

  9. Virtual power plant - Wikipedia

    en.wikipedia.org/wiki/Virtual_power_plant

    In August 2020, Tesla began installing a 5 kW rooftop solar system and 13.5 kWh Powerwall battery at each Housing SA premises, at no cost to the tenant. As South Australia's largest virtual power plant, the battery and solar systems were centrally managed, collectively delivering 20 MW of generation capacity and 54 MWh of energy storage. [30]

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