Thank You all, seems that it was problem in layout, I always start from myself so I thought I was doing something wrong but, there was extra Zener diode which was creating that voltage drop which was ...
A study of Voltage Drop in Electrical Wiring System for Railway Vehicles To meet the demand increasing passengers in railway vehicles, railway transportation service companies are increasing the numbers of cars per train-set. Tw... Son,Min-Kyu,Jung,... - 한국철도학회 학술발표...