1,000VDC Systems

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meby's picture
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Joined: 2012-04-17

I see more PV equipment being offered at the 1,000VDC rating. Does anyone have any compelling arguments to make as to the advantages/disadvantages of installing a 1,000VDC system over a 600VDC system?

helpfulguy2's picture
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Joined: 2014-03-13

I can think of a few items in favor of a 1,000VDC system.
1. conductor size can be smaller
2. easier to get higher AC voltage out of inverter.
3. on a same sized system, fewer strings
4. on a equal sized array, fewer combiner boxes.

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