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UPS - How to use same Transformer to INVERTER/CHARGER

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andre_luis

andre_luis

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Hi all,

How does work the UPS topology that uses the same transformer to INVERTER / BATTERY_CHARGER ?

Doesn't it have danger to fire the inverter when public energy return ?

regards
 

hi andre,

yeh it is possible to use same inverter transformer as batttery charger when public power is ON using a multipole relay switch. pls email me at nhuda2006@gmail.com and i'll send u the detail design ok!! :D

regards
 

Hi Guys,

Somebody know how to calculate transformer ratio in that topology ?

Note1 : It uses rectified sinusoid to charge battery !!!
Note2 : Either at charge mode and operating mode.

+++
 

yes it's possible
simple my friend fet bulit in rectifir (diode )that work is revers mode
 

Just to share : Follow the circuit sent from n_huda to me by e-mail ( thanks a lot ! ) :

tn.jpeg

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