(For both objective and conventional types papers)
1. Electrical Machines and Power Transformers Magnetic Circuits - Analysis and Design of Power transformers.
Construction and testing. Equivalent circuits.
(more content follows the advertisement below) A D V E R T I S E M E N T
Losses and efficiency.
Regulation. Auto-transformer, 3-phase transformer. Parallel operation.
Basic concepts in rotating machines. EMF, torque, basic machine types.
Construction and operation, leakage losses and efficiency.
B.C. Machines. Construction, Excitation methods. Circuit models. Armature
reaction and commutation. Characteristics and performance analysis. Generators
and motors. Starting and speed control. Testing, Losses and efficiency.
Synchronous Machines. Construction. Circuit model. Operating characteristics and
performance analysis. Synchronous reactance. Efficiency. Voltage regulation.
Salient-pole machine, Parallel operation. Hunting. Short circuit transients.
Induction Machines. Construction. Principle of operation. Rotating fields.
Characteristics and performance analysis. Determination of circuit model. Circle
diagram. Starting and speed control.
Fractional KW motors. Single-phase synchronous and induction motors.
2. Power systems
Types of Power Stations, Hydro, Thermal and Nuclear Stations. Pumped storage
plants. Economics and operating factors.
Power transmission lines. Modeling and performance characteristics. Voltage
control. Load flow studies. Optimal power system operation. Load frequency
control. Symmetrical short circuit analysis. ZBus formulation. Symmetrical
Components. Per Unit representation. Fault analysis. Transient and steady-state
stability of power systems. Equal area criterion.
Power system Transients. Power system Protection Circuit breakers. Relays. HVDC
transmission.
3. ANALOG AND DIGITAL ELECTRONICS AND CIRCUITS
Semiconductor device physics, PN junctions and transistors, circuit models and
parameters, FET, Zener, tunnel, Schottky, photo diodes and their applications,
rectifier circuits, voltage regulators and multipliers, switching behavior of
diodes and transistors.
Small signal amplifiers, biasing circuits, frequency response and improvement,
multistage amplifiers and feed-back amplifiers, D.C. amplifiers, Oscillators.
Large signal amplifiers, coupling methods, push pull amplifiers, operational
amplifiers, wave shaping circuits. Multivibrators and flip-flops and their
applications. Digital logic gate families, universal gates-combination circuits
for arithmetic and logic operational, sequential logic circuits. Counters,
registers, RAM and ROMs.
4. MICROPROCESSORS
Microprocessor architecture-Instruction set and simple assembly language
programming. Interfacing for memory and I/O. Applications of Micro-processors in
power system.
5. COMMUNICATION SYSTEMS
Types of modulation; AM, FM and PM. Demodulators. Noise and bandwidth
considerations. Digital communication systems. Pulse code modulation and
demodulation. Elements of sound and vision broadcasting. Carrier communication.
Frequency division and time division multiplexing, Telemetry system in power
engineering.
6. POWER ELECTRONICS
Power Semiconductor devices. Thyristor. Power transistor, GTOs and MOSFETS.
Characteristics and operation. AC to DC Converters; 1-phase and 3-phase DC to DC
Converters; AC regulators. Thyristor controlled reactors; switched capacitor
networks.
Inverters; single-phase and 3-phase. Pulse width modulation. Sinusoidal
modulation with uniform sampling. Switched mode power supplies.
|
AKHAND PRATAP SINGH
