Fantastically explained everything... I just want to correct NO of Timer after Start PB to NC of Timer. That would be correct for multiple star inhibition. :-)
Informative video, madam please make a video on ,Necessity of tuned/Detuned Reactors in Apfc panel , when it will be, what it will, what happend without reactors, role of the reactors. I hope you make video on this.
good explained . my doubt is if we are take timer protection in manual then why it is not in auto. becoz in auto relay may operate the contactor either on or off and this can happen movementrly. or
Madam, I guess there is one issue in drawing. The sensing supply to APFC relay is given from R Y phases whereas current is from B phase. So PF measurement will be wrong. Referance supply should be from BN for B phase CT input. Kindly clarify
Mam: Put Video to make us troubleshoot power and control circuit of DOL and Star-Delta Starter with along it's accessories Over Load Relay and On Delay Timer
Mam, As I know We have to take measuring voltage and measuring current from same phase. As in this video it is, Measuring voltage is from R phase and measuring current from CT which is on B phase.