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  2. Pump as turbine - Wikipedia

    en.wikipedia.org/wiki/Pump_As_Turbine

    A pump as turbine (PAT), also known as a pump in reverse, is an unconventional type of reaction water turbine, which behaves in a similar manner to that of a Francis turbine. The function of a PAT is comparable to that of any turbine , to convert kinetic and pressure energy of the fluid into mechanical energy of the runner.

  3. Helms Pumped Storage Plant - Wikipedia

    en.wikipedia.org/wiki/Helms_Pumped_Storage_Plant

    The underground power station is near Wishon Reservoir and houses three 404 MW Francis pump turbine-generators. [3] [4] The Helms Pumped Storage project was designed to be used with the Diablo Canyon Nuclear Power Plant, also owned by PG&E, in the 1970s, when Diablo Canyon was being designed and permitted. It is connected to that power plant by ...

  4. Turbomachinery - Wikipedia

    en.wikipedia.org/wiki/Turbomachinery

    Pumps - Pumps are another very popular turbomachine. Although there are very many different types of pumps, they all do the same thing. Pumps are used to move fluids around using some sort of mechanical power, from electric motors to full size diesel engines. Pumps have thousands of uses, and are the true basis to turbomachinery (Škorpík, 2017).

  5. Turbine map - Wikipedia

    en.wikipedia.org/wiki/Turbine_map

    This is because the gas flows through the turbine in its natural direction, from high to low pressure. As a result, there is no surge line marked on a turbine map. Working lines are difficult to see on a conventional turbine map because the speed lines bunch up. The map may be replotted, with the y-axis being the multiple of flow and corrected ...

  6. Tankhouse - Wikipedia

    en.wikipedia.org/wiki/Tankhouse

    Tankhouses are an important part of California's historical heritage and the state's early material culture.Many thousands were built in both town and country from the 1850s to the 1930s, almost exclusively of redwood — tower, water tank, siding and roof shingles — at a time when the state's abundant redwood forests seemed inexhaustible.

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  8. Community Choice Aggregation - Wikipedia

    en.wikipedia.org/wiki/Community_Choice_Aggregation

    Community Choice Aggregation (CCA), also known as Community Choice Energy, municipal aggregation, governmental aggregation, electricity aggregation, and community aggregation, is an alternative to the investor-owned utility energy supply system in which local entities in the United States aggregate the buying power of individual customers within a defined jurisdiction in order to secure ...

  9. California water agencies broke own rules, possibly killing ...

    www.aol.com/california-water-agencies-broke-own...

    An estimated 3,030 winter-run Chinook and 2,919 Steelhead were caught by water pumps that capture supplies for farms and cities from the delta between December and March, according to state and ...