Dr Sai Shivareddy

speaker

363 appearances 1 recordings 1 series first heard Feb 2026 last heard 17 Feb

Dr Sai Shivareddy’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 1 in all, peaking in Feb 2026 with 1.

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Not Your Father’s Data Center · Dynamic Power Solutions for the Future of Energy Storage · 17 Feb 2026 podcast

And you, of course, you can't predict it fully, but... You certainly get a rhythm for what's coming.

Correct.

So if you look at a moving average over five seconds, you need to be able to like discharge 20 times a second.

and charge across that five second window.

So you're net-net neutral.

You're not actually depleting the energy while you're doing it.

The bigger problem here is the grid is not able to give power fast enough for training.

Yeah.

So anyway, we're at the core of that problem from the way power is transferred, right?

So you have medium voltage coming in.

You mentioned like DC microgrids going through.

So the new architectures are moving to higher and higher voltage to get the power up, not increasing current, keeping current fixed.

Let's get the voltage up to 800 rather than like 48 volts, right?

So what's happening, whether it's the old 48 volts or the new high voltage side, you have energy conversion or power conversion where you have like high volt, medium voltage going down to like, let's say, 400 volt or 800 volt bus and then auto 48 volt bus at the rack.

And at 48 volts, you know, that rack has, like the server, it goes on to 12 volts and then 0.8 volts at the GPU for transistors, which normally come on at 0.7 volts, right?

So there's a lot of like voltage conversion going on here.

And the way voltage and all of the power conversion happens is usually through the switch mode power supplies, right?

Or DC-DC converters in this case, if it's just pure DC.

Each of those converters need a bit of energy stored to get the right voltage regulation going on.

So the capacitors have played that role in the past.

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