PG (M.E – Power Electronics and Drives)

The Department of Electrical and Electronics Engineering offers a Post Graduate course on M.E (Power Electronics and Drives). The PG Program was started in the year 2006 with team of highly qualified, dedicated and motivated faculty members as well as with well equipped laboratories. The Department is privileged to produce a Gold Medalist in ME (Power Electronics and Drives) during the year 2011& 2016. The field of Power Electronics and Drives encompasses many exciting subjects such as Power Semiconductor Devices, Analysis of Electrical Machines, Analysis and Design of Power Converters, System Theory, Analysis and Design of Inverters, Solid State Drives, Special Electrical Machines, Power Quality.

 

NAME OF THE LABORATORIES

POWER ELECTRONIC CIRCUITS LABORATORY

OBJECTIVES:

  1. To provide an insight on the switching behaviors of power electronic switches
  2. To make the students familiar with the digital tools used in generation of gate Pulses for the power electronic switches
  3. To make the students capable of implementing analog interfacing as well as Control circuits used in a closed-loop control for power electronic system
  4. To make the students acquire knowledge on mathematical modeling of power Electronic circuits and implementing the same using simulation tools
  5. To facilitate the students to design and fabricate a power converter circuits at Appreciable voltage/power levels
  6. To develop skills on PCB design and fabrication among the students.

LIST OF EXPERIMENTS:

  • Study of switching characteristics of Power electronic switches with and without Snubber (i) IGBT (ii) MOSFET
  • Modeling and system simulation of basic electric circuits using MATLABSIMULINK/ SCILAB
  • DC source fed resistive load and Resistive-inductive load
  • DC source fed RLC load for different damping conditions
  • DC source fed DC motor load
  • Modeling and System simulation of basic power electronic circuits using MATLAB-SIMULINK/SCILAB
  • AC Source with Single Diode fed Resistive and Resistive-Inductive Load
  • AC source with Single SCR fed Resistive and Resistive-Inductive Load
  • Modeling and System Simulation of SCR based full converter with different types of load using MATLAB-Simulink/SCILAB
  • Full converter fed resistive load
  • Full converter fed Resistive-Back Emf (RE) load at different firing angles
  • Full Converter fed Resistive-Inductive Load at different firing angles
  • Full converter fed DC motor load at different firing angles
  • Circuit Simulation of Voltage Source Inverter and study of spectrum analysis with and without filter using MATLAB/SCILAB
  • Single phase square wave inverter
  • Three phase sine PWM inverter
  • Generation of PWM gate pulses with duty cycle control using PWM peripheral of microcontroller ( TI-C2000 family/ PIC18)
  • Duty cycle control from IDE
  • Duty Cycle control using a POT connected to ADC peripheral in a standalone mode
  • Generation of Sine-PWM pulses for a three phase Voltage Source Inverter with control of modulation index using PWM peripheral of microcontroller (TI C2000 family/PIC 18)
  • Design of Driver Circuit using IR2110
  • Design and testing of signal conditioning circuit to interface voltage/current sensor with microcontroller (TI-C2000 family/ PIC18)
  • Interface Hall effect current sensor with microcontroller and display the current waveform in the IDE and validate with actual waveform in DSO
  • Interface Hall effect Voltage sensor with microcontroller and display the current waveform in the IDE and validate with actual waveform in DSO
  • Design of PI controller using OP-AMP
  • Construction and testing of 500 W, 220 V IGBT based Buck converter with control circuit and its performance Evaluation
  • Measurement of Efficiency at different duty cycle with a resistive load
  • Measurement of Efficiency at different duty cycle with a resistive-inductive load
  • PCB design and fabrication of DC power supply using any PCB design software (open source- KiCAD/students version)

COURSE OUTCOMES

  1. Comprehensive understanding on the switching behavior of Power Electronic Switches
  2. Comprehensive understanding on mathematical modeling of power electronic system and ability to implement the same using simulation tools
  3. Ability of the student to use microcontroller and its associated IDE* for power electronic applications
  4. Ability of the student to design and implement analog circuits for Power electronic control applications
  5. Ability to design and fabricate a power converter circuit at an reasonable power level
  6. Exposure to PCB designing and fabrication
  7. IDE – Integrate Development Environment (Code Composer Studio for Texas
  8. Instrument/MPLAB for PIC microcontrollers etc) 

ELECTRICAL DRIVES LABORATORY

OBJECTIVES: 

  1. To impart the theoretical and practical knowledge on
  2. To design and analyse the various DC and AC drives.
  3. To generate the firing pulses for converters and inverters using digital processors
  4. Design of controllers for linear and nonlinear systems
  5. Implementation of closed loop system using hardware simulation

LIST OF EXPERIMENTS: 

  • Speed control of Converter fed DC motor.
  • Speed control of Chopper fed DC motor.
  • V/f control of three-phase induction motor.
  • Micro controller based speed control of Stepper motor.
  • Speed control of BLDC motor.
  • DSP based speed control of SRM motor.
  • Voltage Regulation of three-phase Synchronous Generator.
  • Cycloconverter fed Induction motor drives
  • Single phase Multi Level Inverter based induction motor drive
  • Study of power quality analyzer

OUTCOMES: 

  1. Ability to simulate different types of machines, converters in a system.
  2. Analyze the performance of various electric drive systems.
  3. Ability to perform both hardware and software simulation.