Torque angle ‘δ’ is the angle between ____________
(a) rotor field axis and resultant field axis
(b) stator field axis and rotor field axis
(c) stator field axis and mutual field axis
(d) stator field axis and resultant field axis
The question was asked by my school principal while I was bunking the class.
The query is from Torque Production and Dynamic Equations topic in division Basic Concepts in Rotating Machines of Electrical Machines