3rd
Semester
EL-211
Instrumentation and Measurements
Course
Outline:
-
MEASUREMENT FUNDAMENTALS:
Classification of measuring instruments – according to construction and working principle, measurements, electrical-measuring-instruments
errors and their compensation, accuracies and tolerances, probability of error, noise.
Classification of measuring instruments – according to construction and working principle, measurements, electrical-measuring-instruments
errors and their compensation, accuracies and tolerances, probability of error, noise.
- ELECTRO MECHANICAL INSTRUMENTS: Galvanometer,
AC, DC voltmeter, ammeter, wattmeter, watt hour meter, power factor meter, frequency meter, KVAR meters.
-
ELECTRONIC INSTRUMENTS: Digital Volt meters, ammeters and multi meters, Digital
counters, Oscilloscope.
-
Calibration of instruments. AC and DC bridges, sensors and transducers,
measurement of non electrical quantities.
- INSTRUMENTTRANSFORMERS: Theory and construction of current and potential transformers and
their characteristics.
Practical
list
1.
Familiarize with different type of analog and digital meters.
2.
Understanding of signal generator and oscilloscope.
3.
Measurement of Power by three voltmeters method.
4.
Measurement of Power by three ammeters method.
5.
Measurement of power factor of a load by voltmeter, ammeter and wattmeter.
6.
Measurement of resistance by Wheatstone bridge, Kelvins double bridge.
7.
Measurement of capacitance and loss angle of capacitor by Schering bridge.
8.
Measurement of inductance by voltmeter method.
9.
Measurement of voltage, phase and frequency using oscilloscope.
10.
Find transformation ratio of instrument transformers.
Books Recommended:
1.
Berlin,
Electronic Instruments & Measurements
ES-212
Digital Logic design
Objective:
To
enable students to understand and develop digital electronic circuits.
Course
Outline:
-
Number Systems,
Decimal to Binary conversions binary-to-decimal-and-decimal-to-binary,
Binary Arithmetic,
Boolean algebra.
Decimal to Binary conversions binary-to-decimal-and-decimal-to-binary,
Binary Arithmetic,
Boolean algebra.
-Switching devices,
logic gates,
AND, OR, NOT, NAND, NOR, XOR, XNOR gate circuits, Modular implementation of combinational logic circuits. K-maps & truth tables.
logic gates,
AND, OR, NOT, NAND, NOR, XOR, XNOR gate circuits, Modular implementation of combinational logic circuits. K-maps & truth tables.
-
Different logic families: TTL, Emitter Coupled Logic, NMOS, CMOS.
-
Combinational logic circuits: adders, comparator, encoder, decoder,
multiplexer, de-multiplexer, A/D and D/A converter.
-
Components of sequential circuits: Flip flops, their characteristics and
transition tables for sequential circuit design, registers, counters.
Practical
list
1.
Study the characteristics of a Transistor as a switch.
2. Construction of a NOT gate
using TTL.
3. Construction of AND and OR
gates.
4. Construction of NAND and NOR
gates.
5. Construction of adder and
comparator.
6. Construction of Analog to
Digital and Digital to Analog convertors.
7. Study the operation and
truth tables of S-R, D, JK and T flip-flops.
8. Study of encoder/decoder
circuits.
9. Study of
multiplexer/de-multiplexer circuits.
10. Study and construction of
digital counters.
Books Recommended:
1. T. L. Floyd, Digital
Fundamentals.
2. M. M. Mano, Digital Circuits
and Computer Logic.
EL-213 Electronic Devices
and Circuits
Course Outline:
- Number Systems, Decimal to
Binary conversions, Binary Arithmetic, Boolean algebra.
- Switching devices, logic
gates, AND, OR, NOT, NAND, NOR, XOR, XNOR gate circuits, Modular implementation
of combinational logic circuits. K-maps & truth tables.
- Different logic families:
TTL, Emitter Coupled Logic, NMOS, CMOS.
- Combinational logic circuits:
adders, comparator, encoder, decoder, multiplexer, de-multiplexer, A/D and D/A
converter.
- Components of sequential
circuits: Flip flops, their characteristics and transition tables for
sequential circuit design, registers, counters.
Practical list
1. Study the characteristics of
a Transistor as a switch.
2. Construction of a NOT gate
using TTL.
3. Construction of AND and OR
gates.
4. Construction of NAND and NOR
gates.
5. Construction of adder and
comparator.
6. Construction of Analog to
Digital and Digital to Analog convertors.
7. Study the operation and
truth tables of S-R, D, JK and T flip-flops.
8. Study of encoder/decoder
circuits.
9. Study of
multiplexer/de-multiplexer circuits.
10. Study and construction of
digital counters.
Books Recommended:
1. T. L. Floyd, Digital
Fundamentals.
2. M. M. Mano, Digital Circuits
and Computer Logic.
MT-214 Engineering Drawing
Objective:
To enable students to learn and
develop engineering drawing skills.
Course Outline:
- MECHANICAL DRAWING: Use of
drafting instruments. Basic drafting techniques, drawing and lettering,
dimensioning, projections and section of solids, Orthographic projections,
Isometric views with particular reference to piping and ducting, Practice of
assembly drawing.
- CIVIL DRAWING: Plan, Elevations
(front, left and right) and details of buildings., elements of perspective
drawings.
- ELECTRICAL DRAWING: Electric
substation equipment layout, Schematic Diagrams of substations, lighting and
power distribution boards, Electrical Symbols and one line diagrams of a
typical power system.
Books Recommended:
1. Mitchel & Spencer,
“Technical Drawing” (Latest Edition)
EL-215 Electrical Machines –
I
Objective:
To enable students to
comprehend principles and working of DC machines and transformers.
Course Outline:
- ELECTROMAGNETIC INDUCTION AND
BASIC CONCEPTS IN ROTATING MACHINES: Introduction to magnetic circuits,
magnetically induced e.m.f. and force, AC operation of magnetic circuits,
Hysteresis and Eddy current losses. Magnetic fields in rotating machines,
generated voltages, torque.
- DC GENERATORS: Constructional
features and principle of operation, EMF equation, excitation types, load and
no-load characteristics, commutation, armature reaction.
- DC MOTORS: Principle of
operation, back e.m.f., torque equation, types of DC motors, speed-torque
characteristics, speed control, applications.
- TRANSFORMERS: Principle of
operation, constructional features of single and three phase transformers, EMF
equation, transformer on no-load and load, three phase transformer connections,
auto-transformers.
- TESTING OF DC MACHINES AND
TRANSFORMERS: Losses and efficiency, testing of DC machines and different types
of tests.
Practical list
1. Running of DC motor as
generator action.
2. Speed control of DC motor by
armature control.
3. Speed control of DC motor by
field control.
4. No load saturation
characteristics of separately excited DC generator.
5. Speed/voltage
characteristics of self excited DC generator.
6. Speed/torque characteristics
of DC motor.
7. Determination of BHP of
motor by brake test.
8. Determination of torque and
efficiency by dynamo meter.
9. Regenerative or Hopkinsons
test.
10. Determination of efficiency
of a single phase transformer by open and short circuit tests.
Books Recommended:
1. Stephen J. Chapman.
Electrical Machinery Fundamentals
