Hacker News Comments on
Mixergy Hot Water Tank | Fully Charged
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Dec 03, 2020
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audunw on
Why did renewables become so cheap so fast?
What may be easier is to move the heating element to the top, and add a pump to move water to the top when heating.Hot water will stay at the top of the tank, so that means you can use most of the hot water without a significant drop in temperature.
There's a company making tanks like this: https://www.youtube.com/watch?v=z1Z4JCoPAGc
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Aug 08, 2018
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shin_t on
Power Worth Less Than Zero Spreads as Green Energy Floods the Grid
Yep and yesterday FullyCharged released a vid about it being on trials - https://www.youtube.com/watch?v=z1Z4JCoPAGcAn interesting note from the video is how they said they could detect the grid frequency from the plug to detect times of over supply and (in theory) that would be the right time to absorb some of that excess.
Some other interesting benefits (mentioned in the comments) about how it can periodically cycle the heat better than traditional water tanks to kill off bacteria.
⬐ chr4004That's where I got it from. Was likewise intrigued by the frequency remark, interesting stuff.