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Inductive Kickback

Started by citfta, November 20, 2015, 07:13:17 AM

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citfta

#70
November 20, 2015, 08:36:14 PM
YES!!  Now you have it!  Of course with no where to go except through the switch you will get arcing at the switch that way.  That is why we are looking at using the energy from the collapsing field to charge another cap.  We don't waste the energy and the reed switch will last longer too.

Great!!  I am so glad you got it.

Respectfully,
Carroll

synchro1

#71
November 20, 2015, 08:39:31 PM
Quote from: citfta on November 20, 2015, 08:36:14 PM
YES!!  Now you have it!  Of course with no where to go except through the switch you will get arcing at the switch that way.  That is why we are looking at using the energy from the collapsing field to charge another cap.  We don't waste the energy and the reed switch will last longer too.

Great!!  I am so glad you got it.

Respectfully,
Carroll

@Citfta,

You just turned that smart!

tinman

#72
November 20, 2015, 08:42:12 PM
Quote from: MileHigh on November 20, 2015, 03:31:50 PM


When you disconnect the power source from the coil, whatever the magnitude of the current flowing through the coil is, that's the initial amount of current that will flow through the load.

If you have one amp flowing through the coil and you disconnect your power source and the load is a 100-ohm resistor, then initially the current flow through the load will be one amp and the voltage across the load will be 100 volts.  If the load is 5000 ohms, then initially the current flow through the load will still be one amp and the voltage across the load will be 5000 volts.

QuoteYou are right about the current not changing direction but you are not right about the magnitude of the current.

You do understand that i am referring to the average current over one cycle ?.

tinman

#73
November 20, 2015, 08:45:33 PM
Quote from: verpies on November 20, 2015, 04:11:58 PM
You'll get no argument from me. 
I did not even read that post of his, but if I did I would've objected to his statement about the load resistance affecting the current of a constant current source (an inductor in this case).

Once again,i am referring to average current over one cycle.

synchro1

#74
November 20, 2015, 08:47:28 PM
This should help clear everything up:
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