Syllabus - Generalized Theory of Electrical Machine (EE-702(C))

Electrical Engineering

Generalized Theory of Electrical Machine (EE-702(C))

VII

Unit-I

Review

Primitive machine, voltage and torque equation. Concept of transformation change of variables & m/c variables and transform variables. Application to D.C. machine for steady state and transient analysis, and equation of cross field commutator machine.

Unit-II

Induction Machine

Voltage, torque equation for steady state operation, Equivalent circuit, Dynamic performance during sudden changes in load torque and three phase fault at the machine terminals. Voltage & torque equation for steady state operation of 1- ö induction motor &scharge motor.

Unit-III

Synchronous Machine

Transformation equations for rotating three phase windings, Voltage and power equation for salient and non salient alternator, their phasor diagrams, Simplified equations of a synchronous machine with two damper coils.

Unit-IV

Operational Impedances and Time Constants of Synchronous Machines

Park's equations in operational form, operational impedances and G(P) for a synchronous machine with four Rotor Windings, Standard synchronous machine Reactances, time constants, Derived synchronous machine time constants, parameters from short circuit characteristics.

Unit-V

Approximate Methods for Generator & System Analysis

The problem of power system analysis, Equivalent circuit & vector diagrams for approximate calculations, Analysis of line to line short circuit, Application of approximate method to power system analysis.

Practicals

Reference Books

  • P.C.Krause, Analysis of Electric Machinery, WileyIndia.

  • B.Adkins, The General theory of ElectricalMachines.

  • B.Adkins&R.G.Harley, The General theory of ACMachines.

  • P.S.Bhimbra, Generalised theory of Electricalm/c White & Woodson, Electro Mechanical EnergyConversion.