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World's largest sodium-ion battery goes into operation - Energy Storage
(www.ess-news.com)
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this post was submitted on 02 Jul 2024
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The other side of that is matching supply to demand is basically instant. You pull power from batteries and they give you more (provided they're not at their safe limit). There's always a lag in getting turbines to spin up and down, and so there's a non-trivial mismatch time.
Actually no. Batteries and thier inverter adapt in the about one second to half a second range. The massive inertia of a turbine adapts in the millisecond range.
To maintain 60 hz you need to be in the very low milliseconds range. Remember at 60 hz you do a full sin wave cycle in 16ms.
Turbines act as a tremendous power smoother in the grid.