Course Details

Subject {L-T-P / C} : EE6473 : Advanced Machines Laboratory {0-0-3 / 2}
Subject Nature : Practical
Coordinator : Prof. Gopalakrishna Srungavarapu


Study of magnetization characteristics and the voltage build-up process for self-excited induction generator, determination of magnetization curve and magnetic hysteresis loop for a given transformer, determine the moment of inertia J, inductance L and resistance R of a given DC machine, determine the vector group of the three-phase transformer and demonstrate the possibility of utilizing a three-phase transformer in economy connection, Measurement of sequence impedance of an alternator, To obtain two phase equivalents currents & voltages from a given three phase circuit and measure average active and reactive powers, instantaneous active and reactive powers using the data from CRO, To obtain dq (synchronously rotating frame of reference) equivalent rotor and stator currents and stator voltage of a given 3 phase slip ring induction motor and find the instantaneous active and reactive powers, Develop a dynamic model for a single phase transformer and simulate its behavior for R and RL loads.

Course Objectives

  1. Comprehend the method of obtaining the various machine parameters required for modelling and analysis of electrical machines.

Course Outcomes

At the end of the course, the student will be able to measure instantaneous active and reactive powers, practically apply the reference frame theory.

Essential Reading

  1. P. C. Krause, Analysis of Electric Machinery and Drive Systems, John Wiley , 2004
  2. C. M. Ong, Dynamic Simulations of Electric Machinery: Using Matlab/Simulink, Prentice-Hall , 1998

Supplementary Reading

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