Tachogenerator is a device which generates an electrical output directly proportional to the shaft speed. The voltage thus generated is fed to a speedometer for speed measurement andor used as feed - back signal for controlling the speed of a rotating machine equipment. In every automatic control system, since the system performance is directly related to the performance it becomes essential that the

Tachogenerator is a device which generates an electrical output directly proportional to the shaft speed. The voltage thus generated is fed to a speedometer for speed measurement andor used as feed - back signal for controlling the speed of a rotating machine equipment. In every automatic control system, since the system performance is directly related to the performance it becomes essential that the