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15 degrees, snowing [discussion on energy situation in Texas]

Discussion in 'Energy, Environment, and Policy' started by CrazyRabbit, Feb 14, 2021.

  1. SageBrush

    SageBrush REJECT Fascism

    Joined:
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    New Mexico
    I am in favor of letting those places rot.
     
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  2. nwdiver

    nwdiver Well-Known Member

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    They were down for 52 hours. Good chance it was due to Xenon. A gas turbine could have been back up in ~5 minutes. Crazy to think about how much that may have cost depending on how much they had to pay to replace the lost generation. Prices were >$9k/MWh for a long time. (52hrs)(1,000MW)($9k/MWh) = $468M for some ice in a 1/4" pressure line....
     
  3. Iain

    Iain Member

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    Austin
    i think this defense only works in the Senate.
     
    • Funny x 3
  4. CrazyRabbit

    CrazyRabbit Member

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    #204 CrazyRabbit, Feb 28, 2021
    Last edited: Feb 28, 2021
    Event Notification Report For Day

    "At 0526 [CST] on 02/15/2021, Unit 1 automatically tripped due to low steam generator levels. The low steam generator levels were due to loss of Feedwater pumps 11 and 13 (cause unknown).

    sounds like water level in boiler (steam heat exchanger) dropped to low causing shutdown. but if the pumps shutdown due to pressure sensors, perhaps mass flow pressure sensors, is a single point of failure. i would think they would be measuring pump rpm and power input was well, and would only trip if this was out of specification.

    i would think that the steam loop for generation would be a closed loop, with big condensers to cool the steam back to water. i would have thought that the freezing problem would be with the cooling water inlets. lakes were freezing over here in north Texas.
     
  5. Feathermerchan

    Feathermerchan Active Member

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    Euless, Tx
    That's real interesting because we were of for 51 hours and starting about when that unit tripped.
     

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