1. To Perform load-test on 3 ph. Induction motor & to plot torque V/S speed
characteristics.
2. To Perform no-load & blocked –rotor tests on 3 ph. Induction motor to obtain
equivalent ckt. Parameters & to draw circle diagram.
3. To study the speed control of 3 ph. Induction motor by Kramer’s Concept.
4. To study the speed control of 3 ph. Induction motor by cascading of two induction
motors, i.e. by feeding the slip power of one motor into the other motor.
5. To study star- delta starters physically and
(a) to draw electrical connection diagram
(b) to start the 3 ph. Induction motor using it.
(c) To reverse the direction of 3 ph. I.M.
6. To start a 3 phase slip –ring induction motor by inserting different levels of
resistance in the rotor ckt. And to plot torque –speed characteristics.
7. To perform no-load & blocked –rotor test on 1 ph. Induction motor & to determine
the parameters of equivalent ckt. Drawn on the basis of double revolving field
theory.
8. To Perform load –test on 1 ph. Induction motor & plot torque –speed characteristics.
9. To Perform no load & short ckt. Test on 3- phase alternator and draw open ckt. And
short ckt. Characteristics.
10. To find voltage regulation of an alternator by zero power factor (z.p.f.) method.
11. To study effect of variation of field current upon the stator current and power factor
with synchronous motor running at no load and draw V & inverted V curves of
motor.
12. To measure negative sequence & zero sequence reactance of Syn. Machines.