Page 19 - Electrician - 2nd Year TP

Professional Plan, Execute 123. Identify parts and terminals of three Working principle of three phase
Skill 80 Hrs.; commissioning phase AC motors. (5 Hrs.) induction motor.
Professional and evaluate 124. Make an internal connection of Squirrel Cage Induction motor, Slip-
Knowledge performance of AC automatic star-delta starter with three ring induction motor; construction,
26 Hrs. motors. (Mapped contactors. (10 Hrs.) characteristics, Slip and Torque.
NOS: PSS/N1709)
125. Connect, start and run three phase Different types of starters for three
Execute testing, induction motors by using DOL, star- phase induction motors, its
and maintenance delta and auto-transformer starters. necessity, basic contactor circuit,
of AC motors and (17 Hrs.) parts and their functions. (13 Hrs.)
starters. (Mapped
NOS: PSS/N1709) 126. Connect, start, run and reverse
direction of rotation of slip-ring motor
through rotor resistance starter and
determine performance characteristic.
(13 Hrs.)
127. Determine the efficiency of squirrel Single phasing prevention.
cage induction motor by brake test.
(05 Hrs.) No load test and blocked rotor
test of induction motor.
128. Determine the efficiency of three Losses & efficiency.
phase squirrel cage induction motor
by no load test and blocked rotor test. Various methods of speed
(05 Hrs.) control.
129. Measure slip and power factor to Braking system of motor.
draw speed-torque (slip/torque) Maintenance and repair. (13 Hrs.)
characteristics. (10 Hrs.)
130. Test for continuity and insulation
resistance of three phase induction
motors. (5 Hrs.)
131. Perform speed control of three phase
induction motors by various methods
like rheostatic control, autotransformer
etc. (10 Hrs.)
Professional Distinguish, 132. Perform winding of three phase AC Concentric/ distributed, single/
Skill 23 Hrs.; organise and motor by developing connection double layer winding and related
perform motor diagram, test and assemble. (18 terms.
Professional Hrs.)
Knowledge winding. (Mapped
09 Hrs. NOS: PSS/N4402) 133. Maintain, service and troubleshoot
the AC motor starter. (05 Hrs.)

Professional Skill Plan, Execute 134. Identify parts and terminals of Working principle, different method
39 Hrs.; commissioning and different types of single-phase AC of starting and running of various
evaluate motors. (5 Hrs.) single-phase AC motors.
Professional performance of AC
Knowledge motors. (Mapped 135. Install, connect and determine Domestic and industrial
12 Hrs. performance of single-phase AC applications of different single-
NOS: PSS/N1709)
motors. (10 Hrs.) phase AC motors.
Execute testing,
and maintenance of 136. Start, run and reverse the direction Characteristics, losses and
AC motors and of rotation of single-phase AC efficiency. (12 hrs.)
starters. (Mapped motors. (08 Hrs.)
NOS: PSS/N1709) 137. Practice on speed control of single-
phase AC motors. (08 Hrs.)
138. Compare starting and running
winding currents of a capacitor run
motor at various loads and measure
the speed. (08 Hrs.)

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