Laboratory

Electrical Engineering is a dynamic field that deals with the study and application of electricity, electronics, and electromagnetism. It encompasses large-scale systems such as power generation, transmission, and motor control. From the foundational work of pioneers like Edison and Tesla to the advanced contributions of Bode and Nyquist in control and communication systems, the field has evolved to include integrated circuits, satellites, and global communication networks.

With the ever-growing demand for electrical energy in our country, the need for skilled electrical engineers has become more critical than ever. The department is committed to preparing the next generation of engineers to meet this demand through comprehensive education and practical training.

The Electrical Engineering program is designed to give students a strong foundational understanding in the early years, followed by specialized training in areas such as Electrical Machines, Power Systems, Control System, Analog Electronics, Power Electronics, and Micro-Controller Emphasis is placed on real-world applications and hands-on experience.

The department has an excellent infrastructure, which supports a vibrant academic environment. Well-equipped laboratories and a dedicated team of qualified faculty members ensure that students receive high-quality education and mentorship.

Electrical Machines Lab

The electrical machines lab plays a crucial role in helping students to bridge the gap between theoretical knowledge and practical application.

Transformers and Generators lab: It is a fundamental part of electrical engineering; it gives practical knowledge about two electrical machines: transformers and generators. These machines play a major role in power generation, transmission and distribution systems. This lab also gives basic information about repairing of transformers and alternators.

At a Glance / outline / what’s inside :

• Pre determination of efficiency and regulation of a transformer by conducting open and short circuit test on transformer.
• Pre determination of efficiency of transformers by conducting Sumpner’s test on similar transformers.
• Parallel operation of two dissimilar single-phase transformers of different kVA and determination of load.
• Determination of efficiency and regulation under balanced resistive load by conducting polarity test on 3 single phase transformers in star delta connection.
• Comparison of performance of 3 single-phase transformers in delta – delta and V – V (open delta) connection under load.
• Separation of hysteresis and eddy current losses in single phase transformer
• Investigate the voltage and current ratios of a multi-tapped transformer and verify the ideal transformer ratio.
• Voltage regulation of an alternator by EMF and MMF methods
• Pre determination of efficiency and regulation by direct load test on three phase synchronous generator.
• Performance of synchronous generator connected to infinite bus, under constant power and variable excitation & vice - versa.

Electric Motors Lab

Lab provides hands on experience with DC Motor, Induction Motor and Induction generator. Students will learn by conducting various tests on DC and AC machines to analyze the performance and characteristics of machines.

At a Glance / outline / what’s inside :

• Load test on DC shunt motor to draw speed–torque and horse power–efficiency characteristics
• Speed control of DC shunt motor by armature and field control.
• Swinburne's Test on DC motor.
• Regenerative test on DC shunt machines.
• Load test on three phase induction motor
• No-load and Blocked rotor test on three phase induction motor to draw equivalent circuit and circle diagram.
• Load test on induction generator
• Load test on single phase induction motor to draw output versus torque, current, power and efficiency
• Conduct suitable tests to draw the equivalent circuit of single phase induction motor and determine performance parameters
• Conduct an experiment to draw V and Inverted V curves of synchronous motor at no load and load Conditions

Power system lab

The lab provides students with practical knowledge in analyzing different types of faults in transmission system, real time testing and parameter evaluation by using tools like MATLAB

At a Glance / outline / what’s inside :

• Draw power angle curves for salient and non-salient pole synchronous machines, reluctance power, excitation, EMF and regulation
• Program to calculate Sag of a transmission line for i) Poles at equal height ii) Poles at unequal height
• Program to determine the efficiency, Regulation, ABCD parameters for short, medium and long transmission line and verify AD-BC=1.
• Program to calculate sequence components of line voltages given the unbalanced phase voltages
• Program to calculate the sequence components of line currents, given the unbalanced phase currents in a three phase i) 3-wire system ii) 4 wire system.
• Determination of fault currents and voltages in a single transmission line for i) Single Line to Ground Fault. ii)Line to Line Fault iii) Double Line to Ground Fault Using suitable simulating software package
• Determination of fault currents and voltages in a single transmission line for Three Phase Fault Using suitable simulating software package
• Program to obtain critical disruptive voltage for various atmospheric and conductor Conditions
• Program to evaluate transient stability of single machine connected to infinite bus

Control Systems Lab

The objective of this laboratory is to enable the students to strengthen their understanding of the design and analysis of principles of control systems through practical exercises. This is accomplished by using modern hardware and software sources (MATLAB).

At a Glance / outline / what’s inside :

• Draw the speed torque characteristics of (i) AC servo motor (ii) DC servo motor
• Draw synchro pair characteristics
• Determine frequency response of a second order system
• Design a passive RC lead compensating network for the given specifications, viz, the maximum phase lead and the frequency at which it occurs and to obtain the frequency response
• Design a passive RC lag compensating network for the given specifications, viz, the maximum phase lag and the frequency at which it occurs and to obtain the frequency response
• Determine experimentally the transfer function of the lag compensating network
• Draw the frequency response characteristics of the lag – lead compensator network and determination of its transfer function
• Study a second order system and verify the effect of (a) P, (b) PI, (c) PD and (d) PID controller on the step response
• (a) To simulate a typical second order system and determine step response and evaluate time response specifications.
  (b) To evaluate the effect of adding poles and zeros on time response of second order system.
  (c) To evaluate the effect of pole location on stability
• (a) To study the effect of open loop poles and zeros on root locus contour
  (b) Comparative study of Bode, Nyquist and root locus with respect to stability.

Analog & Digital Electronics Laboratory

Analog electronic circuit design is one of the important and challenging fields in Electronics. The role of this laboratory is to educate students the concept and techniques of Analog and Digital Electronics to carry out cutting-edge research in this area. Students will learn VI characteristics and performance on analog and digital circuits

At a Glance / outline / what’s inside :

• Study of the effect of Open and Short circuits in simple circuits
• Determination of resonant frequency, bandwidth, and Q of a series and parallel circuit.
• Verification of Thevenin’s, Nortan’s, Superposition and Maximum power transform theorem.
• Power factor correction.
• Measurement of time constant of an RC circuit
• Measurement of power in three phase Circuits using two watt meter method.

Power Electronics laboratory

Power Electronics plays a crucial role in modern electrical systems, enabling efficient energy conversion in applications such as motor drives, renewable energy systems, electric vehicles, and industrial automation. Lab provides hands-on experience on power semiconductor devices like diodes, thyristors and power transistors.

At a Glance / outline / what’s inside :

• Static Characteristics of SCR, MOSFET, IGBT and TRIAC
• SCR turn on circuit using synchronized UJT relaxation oscillator.
• SCR digital triggering circuit for a single phase controlled rectifier and ac voltage regulator
• Single phase controlled full wave rectifier with R load, R –L load, R-L-E load with and without freewheeling Diode
• AC voltage controller using TRIAC and DIAC combination connected to R and RL loads
• Speed control of DC motor using single phase semi converter , stepper motor, universal motor using ac voltage regulator and separately excited D.C. Motor using an IGBT or MOSFET chopper
• Single phase MOSFET/IGBT based PWM inverter

Microcontroller Lab

This lab aims to familiarize the students with Assembly Language Programming of modern microcontrollers. This Laboratory creates the foundation for designing, analyzing and implementing engineering and programming problems. By exposing students to real world engineering challenges, the laboratory helps to develop critical thinking and analytical skills. The laboratory experiments are equipped to cater to curriculum. The laboratory hosts variety of state-of-the-art micro-controller kits to enhance the practical knowledge of the students.

At a Glance / outline / what’s inside :

• Arithmetic instructions: Addition, subtraction, multiplication and division. Square using MATLAB
• Data transfer – Program for block data movement, sorting, exchanging, finding largest element in an array
• Up/Down BCD/ Binary Counters
• Boolean and logical instructions (bit manipulation).
• Code conversion programs – BCD to ASCII, ASCII to BCD, ASCII to decimal, Decimal to ASCII.
• Programs to generate delay, Programs using serial port and on-chip timer/counters.
• Simulate and test a PWM controlled DC motor using Simscape
• Stepper motor interface for direction and speed control
• Alphanumerical LCD panel interface.
• Generate different waveforms: Sine, Square, Triangular, Ramp using DAC interface.

Relay & High Voltage Laboratory

A Relay and High Voltage Laboratory is a specialized facility designed for the study, testing, and analysis of electrical protection systems and high-voltage equipment. It is essential for research, training, and industry applications, ensuring the safe and efficient operation of electrical power systems.

Relay Section : Relays are critical components in electrical protection systems. They detect faults in electrical circuits and automatically isolate faulty sections to prevent damage and ensure safety. In this section of the lab, students and engineers learn about:

High Voltage Section : High voltage systems deal with electrical power transmission at voltages higher than standard distribution levels. This section of the lab focuses on:

At a Glance / outline / what’s inside :

• Over Current Relay: (a) Inverse Definite Minimum Time (IDMT) Non - Directional Characteristics (b) Directional Features (c) IDMT Directional.
• IDMT Characteristics of over Voltage or Under Voltage Relay
• Operation of Negative Sequence Relay.
• Operating Characteristics of Microprocessor Based (Numeric) Over –Current Relay.
• Operating Characteristics of Microprocessor Based (Numeric) Distance Relay.
• Operating Characteristics of Microprocessor Based (Numeric) Over/Under Voltage Relay.
• Motor Protection against Faults.

Department Library

Our department library offers a rich and diverse collection of resources tailored to the fields of Electrical and Electronics Engineering. With over 500 volumes and access to a wide range of national and international journals, the library supports academic and research pursuits across key areas such as:

• Electrical circuit design
• Electrical machines
• Power systems
• Renewable energy
• Semiconductor devices
• Safety standards
• Industrial automation

This dedicated space empowers both students and faculty with the knowledge base essential for innovation and academic excellence.

Research & Development Center

The R&D Center serves as a hub for innovation, experimentation, and technological advancement. It provides students with the tools and environment to:

• Explore new ideas and engineering concepts
• Design and develop projects, models, and prototypes
• Conduct hands-on research aligned with societal and industrial needs
• Deliver real-world solutions that address contemporary challenges

Through a strong focus on creativity and applied learning, the lab bridges the gap between theoretical knowledge and practical application, encouraging students to think beyond the classroom.