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Dump load controller on the ac side
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16
comments (16 topical)
Re: Dump load controller on the ac side
(
3.00 / 0
) (
#9
)
by
ghurd
on Thu Dec 20, 2007 at 08:54:50 AM MST
If Flux says it is good to keep the switching rate high, might consider changing C1 to 1uF or 4.7uF. It shouldn't make too much difference on the switching speed, but it wouldn't hurt.
G-
[
Parent
]
Re: Dump load controller on the ac side
(
3.00 / 0
) (
#11
)
by
alibro
on Thu Dec 20, 2007 at 01:07:49 PM MST
As this was only ever a fun experiment I will redesign it to dump on the dc side in two stages with a 2nd controller but here is a thought. The single controller is quite happily switching three 45A ac relays. There is no reason why I couldn't use it to switch a 40A dc relay which should be able to cope with 500W at 28V easily and with the 2nd dump load controller we're sorted!
Have I missed something, I feel like Dougal from Father Ted, 5 seconds after he comes up with a brilliant idea he just stands there being confused.
Alibro
[
Parent
]
Dump load controller on the ac side
|
16
comments (16 topical)
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