Electrical Technology and Instrumentation (Theory)

Paper Code: 
25CPHY112
Credits: 
04
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 
Course Objectives: 
This course will enable the students to-
• develop the fundamental knowledge of electrical technology and instrumentation by learning various topics viz. AC fundamental, Transformersmillimeters and oscilloscopes.  
• develop ability to deal with electrical circuits and instruments. 
Course Outcomes: 

Course Outcomes (COs):

 

Course

Learning outcome

(at course level)

Learning and teaching strategies

Assessment Strategies

Course Code

Course Title

25CPHY112

Electrical Technology and Instrumentation

(Theory)

 

CO7: Build the concept of Single-phase and three phase AC circuits and understand different parameters related to it.

CO8: Gain knowledge about transformers and electric motors which includes interfacing aspects and consumer-defined control of speed and power.

CO9: Understand the basics of measurement and the  principles of working of different types of  multimeters .

CO10:Analysis of CRO and  its significance.

CO11: Develop knowledge of measurements with Impedance Bridges and Q meters.

CO12: Contribute effectively in course - specific interaction.

Approach in teaching:

Interactive Lectures, Discussion, Tutorials, Reading assignments, Demonstration, problem solving in tutorials.

Learning activities for the students:

Self-learning assignments, Effective questions, Seminar presentation.

Class test, Semester end examinations, Quiz, Solving problems , Assignments, Presentations

 

                                                                                                                                                                                                                                                                                                              

 

 

 

 

 

 

12.00
Unit I: 
Single Phase and Three Phase AC Circuits

Average, RMS and Effective Values of AC , RLC Series and Parallel Circuits , Delta-Star and Star-Delta Transformation, Line & Phase Quantities, 3-Phase Balanced Circuits, Phasor diagram, Measurement of Power in Three Phase Balanced Circuits.

12.00
Unit II: 
Transformer

Transformer: Magnetic coupled circuits, Dot convention for coupled circuits, coefficient of coupling, mutual inductance, EMF Equation, Voltage & Current Relationship and Phasor Diagram of Ideal Transformer.

12.00
Unit III: 
Basics of Measurement
Instruments accuracy, precision, sensitivity, resolution range etc. Errors in measurements and loading effects. Multimeter: Principles of measurement of dc voltage and dc current, ac voltage, ac current and resistance. Specifications of a multimeter and their significance.        
 AC millivoltmeter: Type of AC millivoltmeters. Block diagram of ac millivoltmeter, specifications and their significance. 
12.00
Unit IV: 
Oscilloscope
Block diagram of basic CRO. CRT, electrostatic focusing and acceleration (Explanation only– no mathematical treatment), brief discussion on screen phosphor, visual persistence. Time base operation, synchronization. Front panel controls. Specifications of CRO and their significance. Use of CRO for the measurement of voltage (dc and ac), frequency and time period. Special features of dual trace, introduction to digital oscilloscope, probes. Digital storage Oscilloscope: principle of working. 
 
12.00
Unit V: 
Signal and pulse Generators

Block diagram, explanation and specifications of low frequency signal generator and pulse generator. Brief idea for testing, specifications. Distortion factor meter, wave analysis. Impedance Bridges: Block diagram of bridge. working principles of basic (balancing type) RLC bridge. Specifications of RLC bridge. Block diagram and working principles of a Q-Meter. Digital LCR bridges. 

Essential Readings: 
Essential Readings:
• Choudhary D Roy: Network and system: New Age International (P) Ltd. 1st Edition 1991.
• Charles K. Alexander and Matthew N. O. Sadiku: Fundamentals of Electric Circuits, 4th edition,  McGraw-Hill.
• A text book in Electrical Technology - B L Theraja - S Chand and Co. 
• Performance and design of AC machines - M G Say ELBS Edn. 
• Digital Circuits and systems, Venugopal, 2011, Tata McGraw Hill. 
• Logic circuit design, Shimon P. Vingron, 2012, Springer. 
• Digital Electronics, Subrata Ghoshal, 2012, Cengage Learning. 
• Electronic Devices and circuits, S. Salivahanan & N. S.Kumar, 3rd Ed., 2012, Tata Mc-Graw Hill
 
References: 
Suggested Readings:
• M. E. Van Valkenburg: Network Analysis, III Ed.., Prentice Hall of India.
• Edminister Joseph A. : Theory and problem of Electrical Circuits in SI Units:
• Joseph Edminister: Electrical Circuits, III Ed., Schaum's Outline, Tata McGraw Hill. 
• Lawrence P. Huelsma: Basic Circuit Theory, III Ed., Prentice Hall of India.
• D.P. Kothari and I.J Nargarh: Basic Electrical Engineering, Tata McGraw-Hill Education, 2010 - Electrical engineering.
E-Content
 
Academic Year: 
2025-2026
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