When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Metcalf sniper attack - Wikipedia

    en.wikipedia.org/wiki/Metcalf_sniper_attack

    On April 16, 2013, an attack was carried out on Pacific Gas and Electric Company's Metcalf transmission substation in Coyote, California, near the border of San Jose.The attack, in which gunmen fired on 17 electrical transformers, resulted in more than $15 million worth of equipment damage, but it had little impact on the station's electrical power supply.

  3. Pacific DC Intertie - Wikipedia

    en.wikipedia.org/wiki/Pacific_DC_Intertie

    The Pacific Intertie consists of: [4] The Celilo Converter Station which converts three phase 60 Hz AC at 230 to 500 kV to ±500 kV DC (1000 kV pole-to-pole) at . The grounding system at Celilo consists of 1,067 cast iron anodes buried in a two-foot (60 cm) trench of petroleum coke, which behaves as an electrode, arranged in a ring of 2.0 miles (3,255 m) circumference at Rice Flats (near Rice ...

  4. List of tz database time zones - Wikipedia

    en.wikipedia.org/wiki/List_of_tz_database_time_zones

    The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [1] This is a list of time zones from release 2025a of the tz database. [2]

  5. Sylmar Converter Station - Wikipedia

    en.wikipedia.org/wiki/Sylmar_Converter_Station

    The Sylmar Converter Station is the southern converter station of the Pacific DC Intertie, an electric power transmission line which transmits electricity from the Celilo Converter Station outside The Dalles, Oregon to Sylmar, a neighborhood in the northeastern San Fernando Valley region of Los Angeles, California.

  6. L.A. Downtown Industrial District - Wikipedia

    en.wikipedia.org/wiki/L.A._Downtown_Industrial...

    The Los Angeles Downtown Industrial District (LADID) is manufacturing and wholesale district of downtown Los Angeles, California, that was established as a property-based business improvement district (BID) in 1998 by the Central City East Association (CCEA). The district spans 46 blocks, covers 600 properties, and is the historic home of ...

  7. Zigzag transformer - Wikipedia

    en.wikipedia.org/wiki/Zigzag_transformer

    A conventional six-winding, grounding transformer or zigzag bank, [1] with the same winding and core quantity as a conventional three-phase transformer, can also be used in zigzag winding connection. In all cases the first coil on each zigzag winding core is connected contrariwise to the second coil on the next core.

  8. Pacific Time Zone - Wikipedia

    en.wikipedia.org/wiki/Pacific_Time_Zone

    The largest city in the Pacific Time Zone is Los Angeles, whose metropolitan area is also the largest in the time zone. The zone is two hours ahead of the Hawaii–Aleutian Time Zone, one hour ahead of the Alaska Time Zone, one hour behind the Mountain Time Zone, [a] two hours behind the Central Time Zone, three hours behind the Eastern Time ...

  9. Autotransformer - Wikipedia

    en.wikipedia.org/wiki/Autotransformer

    In electrical engineering, an autotransformer is an electrical transformer with only one winding. The "auto" (Greek for "self") prefix refers to the single coil acting alone. In an autotransformer, portions of the same winding act as both the primary winding and secondary winding sides of the transformer. In contrast, an ordinary transformer ...