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Results tagged with surge-protection
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user 13616
Questions about protecting electrical devices from voltage spikes.
25
votes
Accepted
What would it take to make a PS/2 keyboard interface hot-swap?
Somehow, un-plugging or plugging in a keyboard can cause a surge. I don't recall having these issues with serial ports (RS-232, Appletalk, etc), parallel ports, VGA, etc.
These don't power the equip …
- 82k
1
vote
protect PC against noise
Scenario 1: Brownout
Hypothesis: switching on the laser lowers mains voltage for a short time.
You don't say if your USB devices are bus-powered or self-powered. Even if the PC does not crash from a …
- 82k
1
vote
Accepted
Separate ground for gate opener control box?
Is it worth electrically isolating the control box of a gate opener from a well grounded steel fence?
Sorry about being pedantic: don't mix up Ground (GND) and Protection Earth (PE). GND is the …
- 82k
1
vote
DC over current protection idea needed for step down converter input
I agree with Russell, the problem seems to be over-voltage, not overcurrent. Basically the regen braking controller tries to dump power into the battery, but the BMS opens its switch, so voltage rises …
- 82k