Tachometer Flashcards
1
Q
What is the operating principle of a electronic tachometer?
A
Senses strength of magnetic field which is influenced by rotating fan
2
Q
What is the operating principle of an electrical tachometer?
A
Small generator driven by the shaft produces 3 phase AC which is thereafter sent and sensed by the induction motor.
3
Q
What is the operating principle of a electronic torque meter?
A
Due to torque, output signal at one sensor is bigger than the other side
