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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

Previous topic - Next topic

0 Members and 4 Guests are viewing this topic.

seaad


listener192

Quote from: seaad on May 31, 2018, 03:42:33 AM
??
" the resistor is really hot "
I did not see this.

Although 10A pulses were being returned to the cap bank via the recovery diodes, most of the current to drive the relays was coming from the line supply. So the resistor stayed cold throughout operation. The voltage on the cap bank did not elevate much above the DC supply on the 400V 150uF cap. I just could not clock the relays fast enough to achieve a higher output.
Regards
L192


cheors

Fr:
Etes vous sur de la valeur de 150 uF pour le condensateur ? Peu importe, cette valeur est trop faible pour obtenir une tension stable avec un courant de plusieurs ampères dans les relais..
A mon avis cette tension varie pour que le courant varie dans les inductances (un des objectifs signalés par Pierre)
Pourquoi 400v d'isolation si c'était uniquement pour filtrer la tension de sortie du pont redresseur ?
Parce ce qu'il y a  surtensions des inductances qui sont aussi renvoyées vers les supercaps à travers la résistance de 4 ohms.

Qu'en pensez-vous ?

En:
Are you sure of 150 uF for the capacitor? Anyway, this value is too low to obtain a stable voltage with a current of several amperes in the relays.
In my opinion this voltage varies so that the current can change in the inductances (one of the objectives indicated by Pierre)
Why 400v of isolation if it was only to filter the output voltage of the bridge rectifier?
Because there are overvoltages inductances that are also sent back to the supercaps through the 4 ohm resistor.

What do you think ?

listener192

Quote from: cheors on May 31, 2018, 07:58:37 AM
Fr:
Etes vous sur de la valeur de 150 uF pour le condensateur ? Peu importe, cette valeur est trop faible pour obtenir une tension stable avec un courant de plusieurs ampères dans les relais..
A mon avis cette tension varie pour que le courant varie dans les inductances (un des objectifs signalés par Pierre)
Pourquoi 400v d'isolation si c'était uniquement pour filtrer la tension de sortie du pont redresseur ?
Parce ce qu'il y a  surtensions des inductances qui sont aussi renvoyées vers les supercaps à travers la résistance de 4 ohms.

Qu'en pensez-vous ?

En:
Are you sure of 150 uF for the capacitor? Anyway, this value is too low to obtain a stable voltage with a current of several amperes in the relays.
In my opinion this voltage varies so that the current can change in the inductances (one of the objectives indicated by Pierre)
Why 400v of isolation if it was only to filter the output voltage of the bridge rectifier?
Because there are overvoltages inductances that are also sent back to the supercaps through the 4 ohm resistor.

What do you think ?
A cap of that size will be between 150uF and 330uF.
The voltage rating is that of the cap seen in video 1.I know the size of the, cap as I know the size of the Crydom FWBR along side it.I planned to try 330uF next, unfortunately the relays have failed again so that wont be possible.
The thought was that the half wave ripple may be significant to operation, after all why have such a low value cap there in the first place?
Regards
L192





cheors

Yes, i agree : we could have a rotating magnetic field with a current change during the rotation.
Close to Clemente Figuera principle.
Is this part of the secret ?

Regards

Oui, je suis d'accord: nous pourrions avoir un champ magnétique tournant avec un changement de courant pendant la rotation.
Proche du principe de Clemente Figuera.
Cela fait partie du secret?