Hi Al
Some interesting reading and Ideas in that article, thanks.
Jeffrey
As I have said I think, but not sure, the fault which caused the problem was a reverse current from one of the controller circuits going to another controller. This would in effect put a short to ground on both of the controllers involved. Because it was originally built by my Brother in law with tant caps, I suspect the rectifier may have been taken out by one or more going short.
The symptoms were a "pop" and eventually stinky smoke, probably from the rectifier encapsulation.
The reverse diode protection is a good idea I could easily try.
But going back to my original question about poly fuses, what would be the best location in the circuit to fit one.
thanks
Mike
Some interesting reading and Ideas in that article, thanks.
Jeffrey
As I have said I think, but not sure, the fault which caused the problem was a reverse current from one of the controller circuits going to another controller. This would in effect put a short to ground on both of the controllers involved. Because it was originally built by my Brother in law with tant caps, I suspect the rectifier may have been taken out by one or more going short.
The symptoms were a "pop" and eventually stinky smoke, probably from the rectifier encapsulation.
The reverse diode protection is a good idea I could easily try.
But going back to my original question about poly fuses, what would be the best location in the circuit to fit one.
thanks
Mike
