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Overunity Machines Forum



Pierre's 170W in 1600W out Looped Very impressive Build continued & moderated

Started by gotoluc, March 23, 2018, 10:12:45 AM

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pmgr

#295
April 07, 2018, 05:37:38 AM
Quote from: seaad on April 07, 2018, 05:14:20 AM
A 12 step simulation now at 52 Hz. N.b. wave  voltage drops suddenly!
That makes sense. The time constant of a coil is L/R, so maximum frequency is f=R/(2*pi*L). At 52Hz you are hitting the limit. If you decrease L, you will increase maximum frequency. Alternatively, you can increase the series resistance of the inductor.
PmgR

seaad

#296
April 07, 2018, 06:50:35 AM
Quote from: pmgr on April 07, 2018, 05:37:38 AM
That makes sense. The time constant of a coil is L/R, so maximum frequency is f=R/(2*pi*L). At 52Hz you are hitting the limit. If you decrease L, you will increase maximum frequency. Alternatively, you can increase the series resistance of the inductor.
PmgR

Here at 52 hz all coils 1mH and NO protection diodes at all. Nice curves!   I seems to be wrong about my prediction about high spikes.

N.b. Current draw! 6-7 Amp the same as at 5Hz!

N.b. 2 I can't simulate power suction from the secondary fixed core & coil here.
That can absolutely affect the cenario!

For switching I'm using Standard Transistors !!

r2fpl

#297
April 07, 2018, 08:57:15 AM
Test mosfet 2xirf540n; 1 coil in stator;

8Hz

5V@1.2A
6V@2.2A
6.5V@3.8A

20V@ ??? A ???


seaad

#298
April 07, 2018, 09:35:55 AM
Quote from: r2fpl on April 07, 2018, 08:57:15 AM
Test mosfet 2xirf540n; 1 coil in stator;   8Hz
5V@1.2A
6V@2.2A
6.5V@3.8A          20V@ ??? A ???

So help you God!  ;D ;D
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