How can you get stable output voltage of 230V AC with only 180V (edited) AC input?Stabilizer range 180V to 270V AC
180 * 1.4142 - 2.0 = 252.556V
270 * 1.4142 - 2.0 = 379.834V
I have to get constant 230V for these VBUS voltage range.
How can you get stable output voltage of 230V AC with only 10V AC input?
The calculated voltages are for no load conditins only.
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820 uF capacitor for DC rail:
Did you calculate it´s initial switch ON current?
Did you calculate it´s full load ripple current?
What about PFC? (Your circuit is not allowed to operate in many countries. Is it allowed to operate in your country?
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You didn´t take care about power factor of your load devices.
You didn´t care of load peak current during start up.
You dind´t take care about MOSFET peak current during switching.
What about output low pass filter?
820 uF capacitor for DC rail:
Did you calculate it´s initial switch ON current?
What about PFC? (Your circuit is not allowed to operate in many countries. Is it allowed to operate in your country?
You didn´t take care about power factor of your load devices.
You didn´t care of load peak current during start up.
You dind´t take care about MOSFET peak current during switching.
What about output low pass filter?
How can you get stable output voltage of 230V AC with only 180V (edited) AC input?
SPWM can not increase voltage...
Why nobody has answered what happens if Buck converter's (used for battery charging, 230V AC to 14.4V DC) mosfets shorts ? Does the 325V DC appear across 12V battery ?
The present rectifier circuit isn't suited for output power above 1 to 1.5 kW.
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