MID-SEMESTER TEST SYLLABUS
for SUBJECT
Electrical
Machine Design-II(8Th semester)[subject code : 180904]
|
|
Content
|
|
1
|
Induction motor design: Output equation,
choice of specific scheme, separation of D
& L, peripheral Stator winding design, Calculation of no. of turns
per phase,
conductor’s area shape of the stator slots, factors to be considered
while deciding no of
stator slots, Area of stator slots, stator winding resistance, stator
teeth design, depth of
the stator core, examples related to above topics, Length of the air gap.
Rotor design A. Squirrel cage rotor – selection of no. of rotor slots,
harmonic induction
torque. Harmonic synchronous torque, vibration and noise, voltage
ripples, rules for
selecting no. of rotor slots, Methods for reducing harmonic torque,
design of rotor bars
and slots, calculation of rotor bar current, area of rotor bars, shape of
rotor slots,
examples, Design of end rings, Calculation of end rings current,
cross-sectional area of
end rings.
B. Design of wound rotor - calculation of number of rotor slots, no. of
turns, crosssectional
area of rotor conductors, types of rotor windings, check for rotor tooth
density, design of rotor core, examples Estimation of operating
characteristics- no load
current calculation, short circuit current calculation, stator and rotor
resistance and
reactance calculation, examples, circle diagram, Dispersion coefficient –
effect on
maximum output power factor
Performance calculation
Design aspects for large size machine, high voltage m/c, High speed m/c,
algorithm and
flow chart Design of submersible motors
|
|
2
|
Synchronous machine design Introduction, output
equations, Main dimension, SCR,
effect of SCR on machine performance Length of air gap and shape of pole
face
|
No comments:
Post a Comment