hello everynone...anybody can help me to generate the PWM for 3-phase inverter using the PIC16F876...i used 120 conduction to generate the PWM signal...hopefully someone can help me...tq
Unfortunately,you can't use PIC16F876 to generate 3 pwm,you can generate just 2 pwm with the same frequency.
you need to move to 18f familly.PIC18F2331 or PIC18F2431 works just fine
You can generate 3 PWM easily in software. Since he only needs 50Hz or 60Hz (such a low frequency) it's a pretty easy task.
I did a 50Hz dual sinewave generation in software on a little PIC 12F675;
It would not be that hard to make it 3 sinewaves instead of 2.
All my C source code for the PIC etc can be seen on this page (near the bottom); http://www.romanblack.com/one_sec.htm
tq for the valuable information..i have a problem in programming to generate the PWM signal for 3-phase inverter...can u give a source code to generate the PWM signal if possible...tq for everything...i really appreciate your kindness..