MODELING AND ANALYSIS OF ELECTRICAL MACHINES

Subject Code: 18PEPC10 (GCE BARGUR)

UNIT I PRINCIPLES OF ELECTROMAGNETIC ENERGY CONVERSION

Magnetic circuits, permanent magnet, stored magnetic energy, co-energy – CH 1.1, 1.2, 1.5, [1]

Force and torque in singly and doubly excited systems – Ch 3.4, 3.5 [3]

Machine windings and air gap mmf – Chapter 1.4 [1]

Winding inductances and voltage equations – Chapter 1.5 [1].

UNIT II DC MACHINES

Elementary DC machine and analysis of steady state operation – Ch 2.2 [1]

Voltage and torque equations – Ch 2.3 [1]

Dynamic characteristics of permanent magnet and shunt d.c. motors – Ch 2.5 [1]

Time domain block diagrams – Ch 2.6 [1]

Solution of dynamic characteristic by Laplace transformation – Ch 2.7 [1]

Digital computer simulation of permanent magnet and shunt D.C. machines.

UNIT III REFERENCE FRAME THEORY

Historical background – Ch 3.2 [1]

Phase transformation and commutator transformation –

Transformation of variables from stationary to arbitrary reference frame – Ch 3.4 [1]

Variables observed from several frames of reference – Ch 3.10 [1]

UNIT IV INDUCTION MACHINES

Three phase induction machine, equivalent circuit and analysis of steady state operation – Ch 4.9 [1]

Free acceleration characteristics – Ch 4.10, 4.11 [1]

Voltage and torque equations in machine variables and arbitrary reference frame variables – Ch 4.2,4.3,4.5,4.6 [1]

Analysis of dynamic performance for load torque variations – Ch 4.12 [1]

UNIT V SYNCHRONOUS MACHINES

Three phase synchronous machine and analysis of steady state operation – Ch 5.9 [1]

Voltage and torque equations in machine variables and rotor reference frame variables (Park’s equations) – Ch 5.2,5.3,5.5,5.6 [1]

Analysis of dynamic performance for load torque variations– Ch 5.10 [1]

Generalized theory of rotating electrical machine and Krons primitive machine. – Ch 1 [2]

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