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It WORKS! 40 amps DC tripped a 20 amp AC breaker
#12
The C-40 attempts to maintain charge at whichever voltage it's charging at. It doesn't see "load", it sees the voltage drop and attempts to maintain constant voltage (assuming excess power is coming in). Most panels are designed to operate with 24V controllers, higher voltage goes farther, and it's like "What ... do you live in your CAR?".

lol.

Some loss due to resistance 30 V vs 150V ... lower voltage is safer, for the distance ~ 25ft loss isn't very large.

There may be economics which support using MPPT for larger arrays. Definitely for grid tie.


***Still can't figure out how to spell 'car' correctly***
***Still can't figure out how to spell 'car' correctly***
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RE: It WORKS! 40 amps DC tripped a 20 amp AC breaker - by MattKarma - 04-21-2018, 08:08 AM

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