Electric Fence Pulser1

Posted 28th February 2009 at 08:44 AM by ericgibbs
Updated 28th February 2009 at 08:55 AM by ericgibbs

Electric Fence Pulser circuit, using ignition parts salvaged from scrap motor vehicles.

Variable pulse rate and dwell time using a CMOS 555 timer etc.

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Comments

I would think an electric fence spends most of its time producing a voltage with nothing to shock.
Since this has a relay anyway, could it be made to operate only if a detectable leak to ground appears ?
Maybe a circuit could be made using the fence as a detector, then the relay could switch over to electrify the fence, if the fence sensed a leak to ground.
Then back again after a short period.
This would extend battery life considerably.

Posted 28th April 2009 at 03:50 PM by john1 john1 is offline

	I have built a very similar circuit for producing long electric arcs. Rather than a relay, I simply used a power transistor to pulse the ignition coil. I run it at a few khz to get a nice relaible arc. I've also seen projects that connect the coils in series for higher output voltage. I'm thinking about trying that for rev.2.
	Posted 10th June 2009 at 05:36 PM by BrownOut

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