Jak sterować silnikiem krokowym 3-fazowym z CD, gdy ma 3 uzwojenia połączone w gwiazdę?

Sun Mar 14, 2004 3:39 pm   

Witajcie. Mam ja silnik krokowy, 3fazowy. Wydlubalem z CD . Uklad
chyba gwiazdy (3 uzwojenia łączą sie w jednym niepodlączonym punkcie ) .
Koncowki ma trzy . Jak toto sterowac ? Normalny krokowiec (z parzysta
liczba uzwojen ) potrafie, unipolarny i bipolarny. A taki ??

Pozdrawiam

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Karol Fietkiewicz

Sun Mar 14, 2004 6:56 pm   

"fred cassidy" napisał:

A to wydłub jeszcze sterownik do niego, może to być np. taki: BA6849FP

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GrzesieG

Sun Mar 14, 2004 7:35 pm   

On Sun, 14 Mar 2004 08:39:54 +0100, fred cassidy wrote:

To nie jest silnik krokowy, tylko 3-fazowy.

Steruje sie podobnie, potrzebujesz cos typu h-bridge, ale na 3
galezie. Moze byc sens wydlubac tez scalaka napedzajacego.

J.

Sun Mar 14, 2004 8:18 pm   

no ,w sumie tak. Bo kroku to on nie robi. Zrobilem sobie 3H juz, ale
troszke slabo dziala - tzn kreci sie i owszem, ale latwo go zatrzymac.
Przy wiekszych predkosciach staje (przyspieszam go po troszku, nie z
kopa)
Albo mam złą sekwencje impulsów, albo cos innego choc nie wiem co.
PS: Uklad sterujacy SMD, wydlubie go w ostatecznosci chyba.
PS2 : a po to mi to, ze chce miec silnik o scisle okreslonej ilosci
obrotów/sek.


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ShOfJack #astropl
Karol Fietkiewicz

Sun Mar 14, 2004 9:55 pm   

Jesli chcesz z niego wycisnac duzo mocy, to musisz miec sprzezenie zwrotne
do sterownika
Tu masz prawie wszystko na temat
http://www.microchip.com/download/appnote/pic18/00857a.pdf
pozdr Darek_J

Mon Mar 15, 2004 12:14 am   

On Sun, 14 Mar 2004 13:18:44 +0100, fred cassidy wrote:

To tym bardziej wydlub scalaka - on chyba zawiera nawet uklad
stabilizujacy obroty..

J.

Tue Oct 17, 2006 3:04 am   

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