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28V vs. 124V on the ISS

Apparently the US segment of the ISS runs on 124v DC, while the Russian segment is on 28v DC. Why the difference? I understand it is often safer to have several different voltages rather than one, but ...
Woodman's user avatar
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5 votes
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125 views

When docked, do Dragon solar panels contribute to ISS mains power?

What it says on the tin. Does a docked Dragon trunk section contribute to the ISS's batteries? I'm aware it would probably be minimal though due to orientation and occlusion of the panels, and when ...
Dragongeek's user avatar
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5 votes
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184 views

Does the ISS currently use "night glider mode" as part of its solar array positioning plan?

I've seen several references on the site to a mode of ISS solar array position management called "night glider" where the solar arrays are turned to minimize drag when the ISS is on the ...
Organic Marble's user avatar