Module 1
D.C.Generator – O.C.C. – Condition for self excitation – field critical resistance – critical speed – Load characteristics of generators – Losses – power flow diagram – efficiency – Condition for maximum efficiency – Applications.
D.C.Generator – O.C.C. – Condition for self excitation – field critical resistance – critical speed – Load characteristics of generators – Losses – power flow diagram – efficiency – Condition for maximum efficiency – Applications.
Module 2
D C motor – starter – 3 point and 4 point starters – torque equation – speed equation – speed torque – characteristics of shunt, series and compound motors – Losses – efficiency – Brake test – Swinburne’s test – speed control – field control – armature control – series parallel control – applications.
D C motor – starter – 3 point and 4 point starters – torque equation – speed equation – speed torque – characteristics of shunt, series and compound motors – Losses – efficiency – Brake test – Swinburne’s test – speed control – field control – armature control – series parallel control – applications.
Module3
Transformers: transformer on no-load and load operation – phasor diagram – equivalent circuit – regulation – losses and efficiency – o.c. and s.c. test – applications – Design of step down transformers like 230/6-0-6V, – Basic principles of 3 phase tranformer – autotransformer – applications.
Transformers: transformer on no-load and load operation – phasor diagram – equivalent circuit – regulation – losses and efficiency – o.c. and s.c. test – applications – Design of step down transformers like 230/6-0-6V, – Basic principles of 3 phase tranformer – autotransformer – applications.
Module 4
A.C Machines: 3 phase induction motors – rotating magnetic field – torque equation – slip – torque-slip characteristics – operating characteristics – starting of 3 phase induction motors – starters – single phase induction motors – constructional features – types – working and characteristics only (no analysis) – constructional features of synchronous machines – principle of operation of alternator – emf equation – regulation by emf and mmf method – principle of operation of synchronous motor – starting of synchronous motor.
A.C Machines: 3 phase induction motors – rotating magnetic field – torque equation – slip – torque-slip characteristics – operating characteristics – starting of 3 phase induction motors – starters – single phase induction motors – constructional features – types – working and characteristics only (no analysis) – constructional features of synchronous machines – principle of operation of alternator – emf equation – regulation by emf and mmf method – principle of operation of synchronous motor – starting of synchronous motor.
Module 5
Special Machines: A C and D C servo motors – synchros – constructional features – working of a tachogenerator – stepper motors – construction, working, applications and specifications of stepper motors – universal motors – constructional features – typical applications – criteria for selection of motors – electromagnetic relays – contactors.
Special Machines: A C and D C servo motors – synchros – constructional features – working of a tachogenerator – stepper motors – construction, working, applications and specifications of stepper motors – universal motors – constructional features – typical applications – criteria for selection of motors – electromagnetic relays – contactors.
mgu university syllabus b.tech
References
1. Electrical & Electronic Technology: Hughes, Pearson Education
2. Electrical Technology: H. Cotton
3. Electrical Machines: R.K.Rajput
4. Electrical Design Estimating & Costing: K.B.Raina & Bhattacharya
5. Electrical Machines & Power systems: Vincent Del Toro
2. Electrical Technology: H. Cotton
3. Electrical Machines: R.K.Rajput
4. Electrical Design Estimating & Costing: K.B.Raina & Bhattacharya
5. Electrical Machines & Power systems: Vincent Del Toro