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i've generated bipolar spwm pulses (10V) but i need to step-up these pulses to abt 327V DC spwm pulses to that i can filter it to get my 230 Vrms as final AC output.. so how can i step up these pulsating dc !!?? can i use a high frequency transformer or a 50 Hz will work !! help guys
http://www.ecircuitcenter.com/Circuits/op_tri_gen/op_tri_gen.htm
this link is for triangular wave generation using opamp. they provides a circuit file for wave generation n also the circuit diagram. How can i know abt the opamp model they r using for the simulation.. can u guys help !!!
thanx
hii.. m working on an inverter using a 12V battery and push-pull config.
m getting these(attached) 12V variable duty cycle SPWM pulses, so now can i use a step-up transformer to get my 230Vrms modified sine output. or these DC pulses can saturate the transformer
Re: 500W sinewave inverter
for charging purpose.. u can use this
**broken link removed**
this is for 13.8V, but that can be adjusted using the regulator.. i hope this will serve your purpose. or u can use LM723, it also provides current limiting as well as current boosting..
regards
sameer
Re: spwm inverter
so how can i generate my sine wave 50hz n tri. wave 20Khz to generate my spwm pulses... i found xr2206 to be a good solution for this.. is it ?
hii.. m trying to design SPWM inverter. For that i was looking for some spwm ICs and i came across SG3525.. but is it spwm ic or just pwm ic for spms n dc-dc conversion. bcoz after reading its datasheet m having an illusion of this being a pwm ic only.. not an spwm.. pls pls help me with this...
abt XR2206
hii..
i was working with XR-2206 today , as per the given test circuit in its data sheet.. but i was no where near my required sine wave. I also analyse the attached circuit, but i cant understand the RC combination at the end of pin 3.
Also, is it necessary to provide -Vc or just...
hi.. m attaching my circuit ... output is supposed to be V=Vref(1+R2/R3)... but m not getting this value... infact i cant increase my output beyond 13.45V...
hav a luk at it n pls trace out the error or watever it is !!...
thanx
thanx Ian...
one more thing i wanna know is that is battery going to inhale :D the given 15 current or is it going to pull :| more current when it is totally discharged n thus overloading the transistors ??
i need to charge my 12V 100Ah lead acid battery for my inverter... how can i get a constant 10A current for its bulk charging
i m thinkin of using 2 LM338( 5A adjustable regulator) in parallel... will this work ? can battery draw more cuurent , thus overloading the 2 LM338 ??.. pls make some...
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