## A block diagram approach to the analysis of a 2-phase servomotor |

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2-phase motor 2-phase servomotor 3-phase induction motor A-axis a-flux A-phase axis ampere-turn analog computer representation Analog Representation analog simulation APPENDIX applied voltage block diagram approach Block Diagram Representation capacitor constant control systems Cornell University currents and impedances diagram and analog differential equations dynamic behaviour eddy current emf's equivalent circuit Equivalent Diagram Feedback System flux linkage formulated hence hysteresis I M a a induced emf input jn Lr Laplace transform located Madras megohms mutual inductance negative-sequence nonlinear block nonlinear element operational amplifiers operator form output speed overall transfer function physical concepts physical considerations potentiometers quadrature axis radians radians per second readily rotation rotor coils rotor currents rotor phase saturation Schematic Representation shifting short circuited simultaneous equations Speed emf speed torque curve stator airgap rotor stator and rotor stator axis Stout's Proposition suitable summing point Transformer emf transient analysis unified treatment voltage at terminals