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  2. Distribution transformer - Wikipedia

    en.wikipedia.org/wiki/Distribution_transformer

    A "transformer bank", widely used in North America: three single-phase transformers connected to make a 3-phase transformer. The low-voltage secondary windings are attached to three or four terminals on the transformer's side. In North American residences and small businesses, the secondary is often the split-phase 120/240-volt system. The 240 ...

  3. National Power Corporation - Wikipedia

    en.wikipedia.org/wiki/National_Power_Corporation

    The National Power Corporation (Filipino: Pambansang Korporasyon sa Elektrisidad, also known as NAPOCOR, NPC or National Power) is a Philippine government-owned and controlled corporation that is mandated to provide electricity to all rural areas of the Philippines by 2025 (known as "missionary electrification"), to manage water resources for power generation, and to optimize the use of other ...

  4. Three-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Three-phase_electric_power

    Three-phase transformer with four-wire output for 208Y/120 volt service: one wire for neutral, others for A, B and C phases. Three-phase electric power (abbreviated 3ϕ [1]) is a common type of alternating current (AC) used in electricity generation, transmission, and distribution. [2]

  5. Electricity sector in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Electricity_sector_in_the...

    The WESM Rules set forth the trading mechanism and the Price Determination Methodology which is approved by the ERC. WESM trading happens every hour 24x7. All the Generators in Luzon and Visayas submit offers (MW quantity and corresponding price) to be scheduled and thereby provide electricity to the Grid.

  6. Electric power transmission - Wikipedia

    en.wikipedia.org/wiki/Electric_power_transmission

    Voltage was stepped down to 100 volts using the Stanley transformer to power incandescent lamps at 23 businesses over 4,000 feet (1,200 m). [12] This practical demonstration of a transformer and alternating current lighting system led Westinghouse to begin installing AC systems later that year. [11] In 1888 the first designs for an AC motor ...

  7. Pad-mounted transformer - Wikipedia

    en.wikipedia.org/wiki/Pad-mounted_transformer

    A single transformer may serve one large building or many homes. Pad-mounted transformers are made in power ratings from around 15 to around 5000 kVA and often include built-in fuses and switches. Primary power cables may be connected with elbow connectors, which can be operated when energized using a hot stick and allows for flexibility in ...

  8. Category : Electric power companies of the Philippines

    en.wikipedia.org/wiki/Category:Electric_power...

    Electric power transmission system operators in the Philippines (1 P) Pages in category "Electric power companies of the Philippines" The following 16 pages are in this category, out of 16 total.

  9. List of energy abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_abbreviations

    kVA—One thousand volt Ampere (measurement) kvar—one thousand vars (measurement) kW—Kilowatt (one thousand watts) (measurement) kWE—kilowatt electric (measurement) kWh—Kilowatt hour (one thousand watt hours) (measurement)