16F676 BASED 90-290 VAC 5 STEP AUTOMATIC DIGITAL STABLIZER

[vishalraut.9]

Dear Friends,
back to EDA after a long interval
I want to know that how 16F676 BASED 90-290 VAC 5 STEP AUTOMATIC DIGITAL STABLIZER works. I have received one circuit but not able to test and repair. can anyone help me in knowing its working????

 

[pranam77]

As it is a microcntroller based, it will natuarlly work as per the sequence programmed. Connect a variable source like an auto-transformer to the input of the stabilizer, and monitor the outputs connected to the gate of the triacs for any changes. If nothing happens, may the PIC is damaged or the front end section which monitors the volatge is damaged
Cheers

 

[rajudp]

post the circuit then only we can check with circuit, mostly microcontroller based stablizer read ADC value of the input volt and drive the relays as programmed according to the voltage level