Basic Electrical Engineering

0.8 power factor 3-phase air gap armature armature current auto-transformer Calculate capacitance capacitor characteristic coil conductor connected copper loss core loss D.C. motor diagram direction E₁ eddy current eddy current loss electrical equivalent circuit Example field resistance flux density frequency full-load current Hence hysteresis hysteresis loss I₁ Imax impedance induced e.m.f. induction motor iron loss lagging laminations leakage line current load current machine magnetic field magnetising maximum torque N₁ no-load no-load current number of poles number of turns ohms output parallel phasor power factor r.m.s. value R₁ R₂ reactance Refer Fig referred to primary repulsion motor resistor rotating rotor current rotor resistance S.C. test series motor short-circuit shown in Fig shunt field shunt motor single-phase transformer slip rings Solution star-connected starting torque stator stepper motor supply voltage synchronous speed terminal voltage theorem Thevenin's theorem three-phase Total V₁ vector voltage drop wattmeter wwwww zero