Questions tagged [arcing]
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7 questions
0 votes
1 answer
214 views
Very loud sound without smell: electric arc?
Short version: Extremely loud sound a few seconds after power on (400 V AC, 3 phase) in high humidity, no smell: is it arcing? Is it possible that a component exploded without smell? Long version: ...
- 9,616
0 votes
1 answer
579 views
How to fix arcing in the contactor in this circuit
I am building the switching circuit using contactor to switch 300A over the contacts. My circuit is below: When I run the circuit, the current is switching but I see arcing. See the scope below: ...
1 vote
2 answers
451 views
Potential problems with disconnecting resistive load from transformer
Lets say I have a setup where an AC transformer is outputting 50 Amps at 240 volts from the secondary for some other process and I add an additional purely resistive load that pulls 100 amps at 240 ...
- 13
2 votes
2 answers
134 views
Non Fused AC Rated Disconnect Switche for DC System
I have 110VDC supplied by a controller to power a actuator/motor located in a hazardous C1D1 environment. I wish to install a disconnect downstream of the controller in the hazardous location so the ...
- 21
1 vote
1 answer
243 views
Isolated power supplies for high-voltage DC
I am currently designing a high-voltage system for electrospinning. I am looking for some advice to address arcing and how to isolate the high-voltage DC from the low-voltage DC. In my current setup I ...
- 23
2 votes
0 answers
50 views
When using a square wave inverter is arcing a problem when installing a switch
A perfect square wave switches immediately from a high positive voltage to a high negative voltage. Does this mean that a switch installed in a circuit powered by a square wave power inverter will ...
2 votes
0 answers
173 views
Hark There is an Arc
AC mains power is almost always transmitted at 50 or 60 Hz. Accepted reasoning is that lower frequencies make transformers larger and higher frequencies have greater transmission losses. ...
- 16.3k