haseebakhtarhussain
Newbie level 3
i'am making a MPPT tracker using a buck converter and UC3825 as a PWM controller, the PSIM model and hardware implementation is attached.
The main problem is that uc3825 is not generating PWM , pin1 (INV) and pin2 (NI) are used to make a type 3 compensator, whenever voltage changes on these pins the duty cycle of generated PWM on the output pins is supposed to change, but in my case there is absolutely no PWM single,
my system is working on 100kHZ and required duty cycle is above 80%, i appreciate your help in advance.
The main problem is that uc3825 is not generating PWM , pin1 (INV) and pin2 (NI) are used to make a type 3 compensator, whenever voltage changes on these pins the duty cycle of generated PWM on the output pins is supposed to change, but in my case there is absolutely no PWM single,
my system is working on 100kHZ and required duty cycle is above 80%, i appreciate your help in advance.