Sir otocoupler ka 3 &4no pin open ho jaega to out put se Kya ho gaya. Voltage Jada high ho jaega Kya. Is ka out put capacitor blast ho jaega Kya meri daut ko app clear kar dijie
There is no unanimous full form of STR There are many full form of STR in the field of electronics. As (1) switch type regulator (2) switching transistor with regulator (3) statimax trip release etc