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1answer
998 views

How much do solar cells for space cost? [closed]

There is a lot of discussion about refueling rockets in deep space. This is to be managed by electrolysis of water powered by solar cells. This requires a lot of energy so one needs a lot of solar ...
7
votes
0answers
235 views

Were solar concentrators on HS-702 just a stop-gap measure until triple-junction PV cells were available?

According to Gunter's Space Page discussion of early versions of the Hughes HS-702 Bus: The first version of the 702 used solar arrays with concentrators. These concentrators tended to early ...
6
votes
2answers
524 views

When there is more power than needed, are satellite photovoltaics shunted or open circuit?

I saw the word "shunts" in this answer about DSCOVR's upgraded photovoltaic arrays when it was unmothballed and readied for space. Reading it, I get the idea that shunts are used to dissipate the ...