Jump to content
ELFORUM - Forumul Electronistilor
Sign in to follow this  
Guest CC

Power conditioner - invertor 25V-220V

Recommended Posts

Guest CC

Salutare, as dori sa testez efectele unui power conditioner de aprox 600VA. Am 2 trafuri care-mi ofera 27V AC, de 300VA fiecare.. O sa le folosesc pentru coborarea tensiunii, unde dupa redresare si filtrare (2*66000uF) am sanse sa obtin vreo +-37V DC. Cu +-37 V voi alimenta un amplificator cuplat la un generator de 50Hz si intru intr-un traf ridicator (25V -> 220V) de vreo 600VA. Presupun ca ampliful ar trebui sa fie capabil sa tina macar 20A la 37V. Ce amplificator imi sugerati sa folosesc, capabil sa duca cei 600VA ?Mi-ar fi deajuns un IPA400 sau crapa in regimul de mai sus ?Mersi,CC.

Share this post


Link to post
Share on other sites

Eu nu-ti recomand :), mai bine fa un etaj de putere B, si legi acolo generatorul, daca ai o sarcina cat de cat stabila merge si fara feed-back.

Share this post


Link to post
Share on other sites
Guest CC

Sarcina nu e f stabila (un alt amplif de 2*50W), dar nici nu variaza f mult. Din ce motiv nu imi recomanzi ? Nu tin cele 4 mosfet-uri curentul necesar ?In cazul asta un IPA800 sau AV800 ar fi mai potrivit

Share this post


Link to post
Share on other sites

Pai in primul rand te costa mult, al 2-lea poate nu tine, traful fiind si o sarcina foarte inductiva cand nu ai consumator pe el, o sa ai o disipatie mare de putere, ma rog daca ai bani fa asa.Cel mai optim ar fii sa faci un etaj de inversor daca oricum ai tensiune +/- poti sa-l faci cu o semipunte.

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this  

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.