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Thread: The Remarkable Progress of Renewable Energy

  1. Top | #1111
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    Quote Originally Posted by lpetrich View Post
    Renewable-energy development is stimulating a large amount of research into storage technologies and synfuels. Research that never happened with nuclear energy, as far as I know, even though it would be very useful for that kind of electricity generation.

    Wind and solar energy have the problem that they are intermittent, and nuclear energy has the problem that it is too steady. Storage technologies get around both problems.
    Wind and solar (hydro) can't get us to sustainability alone, forget using excess production for battery storage to see to peak demand, as excess only exists where there is fossil or nuclear. I also ponder just how viable a battery storage system could possibly manage peak demand, seeing peak demand, especially these days, can be a bit difficult to anticipate. How much do you overbuild it?

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    Quote Originally Posted by bilby View Post
    What's so special about Chinese and Korean engineers, that makes them far better at building power plants than American engineers?

    Nothing. The difference in the US is purely political, and is inherent to opposition to nuclear power, not to its construction.

    Note also the median construction days per MWh is 2.519. That's better than most wind or solar farms. And a nuclear plant gets ~900kWh/MWh of capacity, delivered on demand. A solar farm gets maybe 200kWh/MWh of capacity, delivered when the sun shines regardless of demand, and more importantly NEVER delivered when the sun isn't shining, regardless of demand.
    Chinese it's clear--cut corners on safety.

  3. Top | #1113
    Fair dinkum thinkum bilby's Avatar
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    Quote Originally Posted by Loren Pechtel View Post
    Quote Originally Posted by bilby View Post
    What's so special about Chinese and Korean engineers, that makes them far better at building power plants than American engineers?

    Nothing. The difference in the US is purely political, and is inherent to opposition to nuclear power, not to its construction.

    Note also the median construction days per MWh is 2.519. That's better than most wind or solar farms. And a nuclear plant gets ~900kWh/MWh of capacity, delivered on demand. A solar farm gets maybe 200kWh/MWh of capacity, delivered when the sun shines regardless of demand, and more importantly NEVER delivered when the sun isn't shining, regardless of demand.
    Chinese it's clear--cut corners on safety.
    I have seen no evidence of that, in the nuclear power industry.

    And even if it were true, it wouldn't explain South Korea's success.

  4. Top | #1114
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    Quote Originally Posted by bilby View Post
    Quote Originally Posted by Loren Pechtel View Post
    Quote Originally Posted by bilby View Post
    What's so special about Chinese and Korean engineers, that makes them far better at building power plants than American engineers?

    Nothing. The difference in the US is purely political, and is inherent to opposition to nuclear power, not to its construction.

    Note also the median construction days per MWh is 2.519. That's better than most wind or solar farms. And a nuclear plant gets ~900kWh/MWh of capacity, delivered on demand. A solar farm gets maybe 200kWh/MWh of capacity, delivered when the sun shines regardless of demand, and more importantly NEVER delivered when the sun isn't shining, regardless of demand.
    Chinese it's clear--cut corners on safety.
    I have seen no evidence of that, in the nuclear power industry.

    And even if it were true, it wouldn't explain South Korea's success.
    China cuts corners on everything. The surprise would be if they didn't with their reactors.

  5. Top | #1115
    Fair dinkum thinkum bilby's Avatar
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    Clean, green, environmentally friendly battery storage.

    Oh, wait.

    Shit.

    https://www.bay939.com.au/news/local...rthern-suburbs

    A warning has been issued for toxic air quality for Batesford, Bell Post Hill, Lovely Banks, Moorabool and Geelong's northern suburbs.

    Anyone located in Batesford, Bell Post Hill, Lovely Banks, Moorabool should move indoors. Close all exterior doors, windows and vents and turn off heating and cooling systems.
    ...
    A 13-tonne lithium-ion battery, part of the Victorian Big Battery is fully alight in Moorabool

  6. Top | #1116
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    In the news fire departments are having to deal with EV car crashes and batteries, so what?

  7. Top | #1117
    Veteran Member Tigers!'s Avatar
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    Quote Originally Posted by steve_bank View Post
    In the news fire departments are having to deal with EV car crashes and batteries, so what?
    Just a reminder that battery technology is not all unicorns and fairy dust.
    NOTE: No trees were killed in the sending of this message, but a large number of electrons were terribly inconvenienced.

  8. Top | #1118
    Elder Contributor barbos's Avatar
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    Speaking of progress or rather lack of it.
    Decided to measure efficiency of ordinary floor fan. Guess the number?

    22% which is horrible. Did the same with small ventilation type which you embed into the wall about 4-5%

    These asynchronous motors suck.

  9. Top | #1119
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    Quote Originally Posted by Tigers! View Post
    Quote Originally Posted by steve_bank View Post
    In the news fire departments are having to deal with EV car crashes and batteries, so what?
    Just a reminder that battery technology is not all unicorns and fairy dust.
    Yes. My comment is about making a case against renewables and EV on the basis that it has its on set of issues.

    The conservative approach. Gas cars and EVs have downsides, therefore there is no need to get rid of gas cars.

    The news report showed firefighters dealing with an RV crash fire.

    The short circuit capacity and hazard of any battery is high, extreme with EV batteries.

  10. Top | #1120
    Fair dinkum thinkum bilby's Avatar
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    Quote Originally Posted by steve_bank View Post
    Quote Originally Posted by Tigers! View Post
    Quote Originally Posted by steve_bank View Post
    In the news fire departments are having to deal with EV car crashes and batteries, so what?
    Just a reminder that battery technology is not all unicorns and fairy dust.
    Yes. My comment is about making a case against renewables and EV on the basis that it has its on set of issues.

    The conservative approach. Gas cars and EVs have downsides, therefore there is no need to get rid of gas cars.

    The news report showed firefighters dealing with an RV crash fire.

    The short circuit capacity and hazard of any battery is high, extreme with EV batteries.
    If minimising risk in electricity generation is the priority, then nuclear is the best option.

    However if reliability is the priority, nuclear is the best option.

    And if minimising carbon emissions is the priority, nuclear is the best option.

    Which makes the whole thing seem like a 'no brainer'. Until you consider hazardous waste.

    If minimising the hazard from waste is the priority, the best option is nuclear.

    So there's that.

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