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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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MenofFather

Quote from: seaad on April 02, 2018, 10:42:48 AM

Why were Pierre's diodes only connected to the plus rail?
How I draw, it colects Back EMF. And minus also gose to minus of supercaps.
In Half Bridge, of Full bridge topology BACK EMF always go to input source. On All Electric bikes motors and all DC BLDC motors also back EMF gose to input source thourth mosfet internal diodes. So no be Hight VOLTAGE spikes!

r2fpl

Quote from: MenofFather on April 02, 2018, 03:51:58 PM
How I draw, it colects Back EMF. And minus also gose to minus of supercaps.
In Half Bridge, of Full bridge topology BACK EMF always go to input source. On All Electric bikes motors and all DC BLDC motors also back EMF gose to input source thourth mosfet internal diodes. So no be Hight VOLTAGE spikes!

If the transistor has a diode inside.

seaad

Why were ALL (if I'm right?) Pierre's diodes only connected to the plus rail if it occurs negative spikes also?

MenofFather: Pierre used Relays not H-bridges or Fets.

I'm not using H-bridges, but the building guys here. So take care of the spikes!

Pourquoi toutes les diodes de Pierre (si j'ai raison!?) Sont connectées au rail plus si des pointes négatives se produisent également?
MenofFather: Pierre a utilisé des relais non H-ponts ou Fets.
Je n'utilise pas de ponts en H, mais les gars du bâtiment ici. Dus pas op de pointes!

pmgr

Quote from: r2fpl on April 02, 2018, 03:44:52 PM
I analyze first set relays works:

transistor count from bottom right, relay label number

1 -   1,14
13 - 25,38
16 - 39,52
18 - 41,54

for first sets: (blue leds: 1,2,11,13,23,24) ->(labels relays 1,14,16,18,25,27,38,42,49,51,62,71)

When get 1-1,14 ok
13- 25,38 ok
... ok

When get first set 1,2,11,13,23,24 where is logical ?  How counts correctly ?
Take a look at the attached image. It outlines the various relays that are on at the same time.


Transistor 1 (T1) controls relays 1-14
T2 controls 3 and 16
T3 controls 5 and 18
...
T13 controls 25 and 38
....
T16 controls 31 and 44
...
T18 controls 35 and 48
...
T20 controls 39 and 52
...
T25 controls 49 and 62,
etc.
PmgR

gotoluc

3 days ago I sent a message to Pierre asking him to confirm if his coils are powered in series. I've just received a reply from him which I translated and below is his original French message.

Fr. Il y a 3 jours j'ai envoyé un message à Pierre lui demandant de confirmer si ses bobines sont alimentées en série. Je viens de recevoir une réponse de lui que j'ai traduite et ci-dessous est son message original en français.

in my assembly there is 6 coils in series except that there is one that I feed for a fraction of a second so not to lose the magnetic field, so it leaves me with 5 coils operating in reality, example: 1 and 2 are powered by the positive and then 1 goes off to allow the magnetic flux to move etc. So in your case (Pierre is referring to my 30 slot) there should be 4 coils operating using the program I gave you which is good. The only thing I may of modified is the value x and y and played a bit with the speed. Everybody is making too much of a deal with the frequency. I already mentioned that the frequency meter may not of been correct. We can see all the uneven switching noise on the oscilloscope which affected the frequency meter. I adjust the potentiometer but most likely the frequency meter did not read the right frequency. Instead of having a discussion on frequency, people should be working on rotating the magnetic field. Then they can start playing with frequency and increase it to the desired speed.

Fr.
dans mon montage il y a 6 bobine en série sauf qu'il y a une que j'alimente pendant une fraction de seconde pour ne pas perdre le champ magnétique donc il me reste 5 bobine en fonction en réalité ex:1 et 2 sont alimenté par le positif et  puis 1 s'éteint pour déplacé le flux magnétique ainsi de suite dans votre cas il devrait  rester 4 bobine en fonction  en passant le programme que je vous ai donner est bon la seul chose que j'ai peut être modifier est la valeur x et y j'ai jouer un peut avec la vitesse et puis le monde s'en font vraiment trop pour la fréquence ,j'ai déjà mentionner que le fréquence de mon meter n'a peut-être pas  la bonne valeur avec  ce que j'ai vue a l'ociloscope  a cause des parasite la fréquence était anarchique j'ai ajuster le potentiometre mais il se peut que le fréquence meter n'a pas lue la bonne fréquence  avant de  parler de fréquence il devrait se concentrer par faire tourné le champ magnétique après ils pourront s'amuser avec la fréquence il suffit juste d'augmenter a la vitesse désirer