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  2. List of railway electrification systems - Wikipedia

    en.wikipedia.org/wiki/List_of_railway...

    Except Wairarapa Line beyond Upper Hutt. Since 2011, the nominal voltage was 1600 V but with the same tolerances as 1500 V (i.e. 1300–1800 V), making it backwards-compatible with 1500 V rolling stock. Since May 2016 the operating voltage was increased to 1700 V DC following the full introduction of the Matangi EMUs. Philippines: Metro Manila

  3. Traction substation - Wikipedia

    en.wikipedia.org/wiki/Traction_substation

    These systems can be used to convert three-phase 50 Hz or 60 Hz alternating current (AC) for the supply of AC railway electrification systems at a lower frequency and single phase, as used by many older systems, or to rectify AC into direct current (DC) for those systems (primarily public transit systems) using DC for traction power.

  4. Single-wire earth return - Wikipedia

    en.wikipedia.org/wiki/Single-wire_earth_return

    The secondary winding of the local transformer will supply the customer with either single ended single phase (N-0) or split-phase (N-0-N) power in the region's standard appliance voltages, with the 0 volt line connected to a safety earth that does not normally carry an operating current.

  5. Don Watt (designer) - Wikipedia

    en.wikipedia.org/wiki/Don_Watt_(designer)

    Don Watt (9 February 1936 – 23 December 2009) created the Watt group, a retail branding and design consultancy. Some of the more recognized brand designs include Home Depot's orange logo [1] and store concept, Sam's Choice, No Name and President's Choice. Watt was the first designer to use photosymbolism on packaging, for Nestle Instant ...

  6. Diamondbacks' Josh Naylor tries to fill big shoes left behind ...

    www.aol.com/diamondbacks-josh-naylor-tries-fill...

    His home run total leaped, but his batting average plummeted by 65 points to .243. “I went into last season trying to hit more homers, knowing my average would fluctuate a little bit ...

  7. 25 kV AC railway electrification - Wikipedia

    en.wikipedia.org/wiki/25_kV_AC_railway...

    The N700 Shinkansen uses a three-level converter to convert 25 kV single-phase AC to 1,520 V AC (via transformer) to 3 kV DC (via phase-controlled rectifier with thyristor) to a maximum 2,300 V three-phase AC (via a variable voltage, variable frequency inverter using IGBTs with pulse-width modulation) to run the motors.

  8. No, We’re Not Anthropomorphizing. Your Cat May Actually Be ...

    www.aol.com/no-not-anthropomorphizing-cat-may...

    Depression is primarily a human condition described by the World Health Organization as a low mood or loss of pleasure or interest in activities for long periods of time. In people, it results ...

  9. Thunder star Shai Gilgeous-Alexander reportedly splits with ...

    www.aol.com/sports/thunder-star-shai-gilgeous...

    In Gilgeous-Alexander’s defense, there isn’t much negotiating expected in his next deal. He is eligible to sign a four-year, $294.3 million supermax extension with the franchise this summer ...