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Guest EMANUIL

Doresc sa fac schimb de idei cu persoane care au lucrat cu cicuitele IRAMX16UP60A ( INTERNATIONAL RECTIFIER) si MC3PHAC (MOTOROLA)

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Guest mister_rf

...deoarece aceste circuite nu se folosesc in echipamente ''home made'', vor fi putine acele persoane care sa le utilizeze... 8) Si care sunt problemele tale?

Designed to support IR's iMOTION(Integrated Design Platform), International Rectifier has introduced the IRAMX16UP60A, the newest member of the PlugNDrive family of integrated power modules that simplify variable-speed electronic motor control circuits.

The MC3PHAC is a high-performance monolithic intelligent motor controller designed specifically to meet the requirements for low-cost, variable-speed, 3-phase ac motor control systems. The device is adaptable and configurable, based on its environment. It contains all of the active functions required to implement the control portion of an open loop, 3-phase ac motor drive.

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Guest mister_rf

Exista pe net o multime de date referitoare la aceste circuite...Nu, nu am lucrat si nu intentionez sa lucrez cu aceste circuite. :) Dar asta nu inseamna ca nu putem discuta despre circuitele respective. Tu cum/la ce intentionezi sa le folosesti?

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Guest geopalade

Nici eu nu am lucrat cu ele dar sunt bune ca permit sa alimentezi un motor trifazat 400V de la retea monofazata de 230V (prin conectarea motorului in conexiune triunghi) fara sa pierzi ceva din calitatile motorului. Nu imi dau seama cit de destepte sunt la capitolul protectie la supracurent, pt ca din cite stiu la convertizoarele industriale se foloseste un parametru "stator rezistence" sau autocalibrare, iar in cazul in care nu e setata bine intra in fault (overcurrent).

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Doresc sa fac schimb de idei cu persoane care au lucrat cu cicuitele IRAMX16UP60A ( INTERNATIONAL RECTIFIER) si MC3PHAC (MOTOROLA)

La noi in RO unde se pot gasi ??? Pare sa fie interesant dar este si simplu in acelasi timp.
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Nici eu nu am lucrat cu ele dar sunt bune ca permit sa alimentezi un motor trifazat 400V de la retea monofazata de 230V (prin conectarea motorului in conexiune triunghi) fara sa pierzi ceva din calitatile motorului. Nu imi dau seama cit de destepte sunt la capitolul protectie la supracurent, pt ca din cite stiu la convertizoarele industriale se foloseste un parametru "stator rezistence" sau autocalibrare, iar in cazul in care nu e setata bine intra in fault (overcurrent).

Am setat multe convertizoare industriale si acest parametru l-am lasat pe factory setting si nu mi-a dat nici un fel de eroare.Vorbesc de invertoare tip Mitsubishi, Omron, Hitachi, Rover. Pe site-ul http://www.microchip.com/stellent/idcpl ... e=en012011 am vazut o aplicatie interesanta pentru comanda unui motor trifazic de la retzea monofazica
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