electrical drive couse handout
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Electrical drive couse handout of KLuniversityTRANSCRIPT
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Code: 09EE412 L T P C 3 1 2 5
ELECTRICAL DRIVES
PREREQUISITE : POWER ELECTRONICS
UNIT – I
Introduction:
Electric drives, advantages of electric drive, Type of electric drives, components of
electric drives, Status of dc and ac drives Control of Electric Drives: Modes of
operation, Speed control and drive classification.
UNIT – II
Dynamics of Electric Drives:
Fundamental torque equations, Speed torque conventions and multi quadrant
operation, Equivalent values of drive parameters, Components of load torques,
some common load torques, Nature and classification of load torques
UNIT-III
DC motor Drives:
DC motors and their performance, Starting, methods of braking, speed control,
Methods of armature voltage control, Transformer and uncontrolled rectifier
control Controlled Rectifier fed DC Drives: Single phase fully and half controlled
rectifier control of separately excited dc motor. Three phase fully and half
controlled rectifier control of separately excited dc motor Dual converter control of
separately excited dc motor, Rectifier control of dc series motor Chopper fed DC
Drives: Control of separately excited dc motors, Chopper control of series motor.
UNIT – IV
Induction motor drives:
Three phase induction motors, Operation with unbalanced source voltages and
single phasing, Operation with unbalanced rotor impedances, Starting, braking,
transient analysis, Speed control, pole amplitude modulation, stator voltage
control, Variable frequency control from voltage and current sources, rotor
resistance control, slip power recovery, Variable speed constant frequency
generation-
UNIT – V Synchronous motor drives:
Synchronous motors, Operation and fixed frequency supply, Synchronous motor
variable speed drives, braking of synchronous motor. Variable frequency control of
multiple synchronous motors, self control synchronous motor drive employing load
commutated thyristor inverter, starting large synchronous machines, self control
synchronous motor drive employing a cyclo converter
TEXT BOOKS:
1. Power Semiconductor controlled drives by G.K.Dubey , PHN. Jersey Publications
2. Power semiconductor drives by S.B.Dewan, G.R.Selmon & Straughen ,John
Wiley publications
REFERENCE BOOKS:
1. Fundamentals of Electric drives by G.K.Dubey, Narosa publications
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List of Experiments
1. Study of Characteristics of SCR, MOSFET & IGBT
2. Gate firing circuits for SCR’s
3. Single Phase AC Voltage Controller with R and RL Loads
4. Single Phase fully controlled bridge converter with R and RL loads
5. Forced Commutation circuits (Class A & Class B)
6. Single Phase Parallel, inverter with R and RL loads
7. Single Phase Cycloconverter with R and RL loads
8. Single Phase series inverter with R and RL loads
9. Three Phase half controlled bridge converter with R-load
10. Single Phase dual converter with RL loads
REFERENCE BOOKS:
1. Simulation of Electric and Electronic circuits using PSPICE – by M.H.Rashid, M/s
PHI Publications.
2. MATLAB and its Tool Books user’s manual and – Mathworks, USA.