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- They must meet industrial requirement for power electronic engineers.
- They must be gaining adequate practical knowledge on power semiconductor devices, converters and their control techniques.
- They should know the typical applications to motor drives.

- They will apply their knowledge of the electrical characteristics of power

semiconductor devices. - They will know how to select power semiconductor devices for a range of

applications. - They will develop the skill of using different power electronics converters and their industrial applications.

**Module I (6 hrs.)**

**Power Semiconductor Devices**

Introduction to power electronics, uncontrolled switches, semi-controlled switches, fully controlled switches, constructional features, operating principle, characteristics and specification of power semiconductor devices, hard and soft switching of power semiconductors switches.

**Practice **

- Simulation of V-I characteristics of power diode & power transistor.
- Simulation of V-I characteristics of MOSFET & IGBT.
- Simulation of V-I characteristics of silicon-controlled rectifier.

**Module II (3 hrs.)**

**Triggering Circuits**

R- triggering, R-C triggering, UJT triggering, design of UJT triggering circuit.

**Practice **

- Simulation of R and RC triggering.
- Simulation of UJT triggering

**Module III (8 hrs)**

**AC to DC Converter **

Overview of rectifiers, half wave uncontrolled rectifier with R load and R-L load, use of freewheeling diode, half wave rectifier R-L load with FWD, full wave bridge uncontrolled rectifier, half wave controlled rectifier with R load, R-L load and R-L load with free-wheeling diode, half controlled bridge rectifier, fully controlled bridge rectifier, effect of source inductance on the performance of ac to dc converters, power factor improvement, harmonic reduction, filter design.

**Practice **

- Simulation of single phase half-wave and full-wave diode rectifier using R & L load.
- Simulation of single phase fully controlled converter using R & L load.
- Simulation of single phase semi converter using R-L load.
- Simulation of 3-phase semi converter with R, R-L and dc motor load with/without freewheeling diode.
- Simulation of 3-phase bridge converter with R, R-L and dc motor load with/without freewheeling diode.

**Module IV: (10 hrs.)**

**DC to DC Converter **

Introduction to chopper (Type A, B, C, D, E), switching techniques, step down dc chopper with R load, R-L-E load, step up dc chopper with R, R-L, R-L-E load, buck regulator, boost regulator, Buck-boost regulator, CUK and SEPIC converter, commutation of thyristor based circuits part-I, commutation of thyristor based circuits part-II, introduction to SMPS circuits, fly back type SMPS, forward type SMPS, design of transformer for SMPS circuits.

**Practice **

- Simulation of buck converter.
- Simulation of boost converter.
- Simulation of buck boost converter.

**Module V (6 hrs.)**

**DC to AC Converter **

Introduction to inverters, importance and application of inverters, single phase half bridge inverter with R and R-L load, single phase bridge inverter with R and R-L load, three phase inverters, control techniques of inverter, single/multiple pulse width modulation, sinusoidal pulse width modulation and its realization, CSI, load-commutated CSI, industrial inverter.

**Practice **

- Simulation of single-phase inverter & three phase inverter.

**Module VI (3 hrs.)**

**AC to AC Converter **

AC voltage controller: Single phase bi-directional controllers with R and R-L load, single phase cyclo-converters.

**Practice **

- Simulation of single phase AC voltage controller & cyclo-converter.

**Module VII (9 hrs)**

**Application of Power Electronics Converters**

Analysis of converter fed dc drives, analysis of chopper fed dc drives, analysis of VSI, CSI fed induction motor drives, automotive & traction System, industries as rolling mills, pumps, elevators, utility systems as FACTs, smart grid, renewable energy as wind turbine.

**Practice **

- Simulation of converter fed dc drives (wind turbines).
- Simulation of chopper fed dc drives (PV systems).
- Simulation of induction motor drives (e-Vehicle).
- Simulation of railway electrification system using Dymola.

**Project **

- 500 VA Sine wave Inverter
- Industrial Battery Charger using SCR
- Precision Illumination control of Lamp
- Dual Converter using Thyristors

*Text Books:*

*H. Rashid, “Power Electronics: Circuits, Devices and Applications,” 4th Edition, Pearson,2017.**D. Singh & K. B. Khanchandani, “Power electronics”, 2nd Edition, Tata McGraw-Hill,2008.*

* **Reference Books:*

*Vithayathil, “Power Electronics: Principles and Applications”, 2nd Edition ,**TMH ,1995.**Mohan, Undeland and Robbins,“Power Electronics: Converters, Applications and Design” 3*^{rd}Edition,Wiley, 2007.

Introduction to power electronics,uncontrolled switches, semi-controlled switches, fully controlled switches.

Constructional features, operating principle, characteristics and specification of power semiconductor devices.

Hard and soft switching of power semiconductors switches.

Simulation of V-I characteristics of power diode & power transistor.

Simulation of V-I characteristics of MOSFET & IGBT.

Simulation of V-I characteristics of silicon-controlled rectifier.

R- triggering, R-C triggering,UJT triggering,design of UJT triggering circuit.

Simulation of R and RC triggering.

Simulation of UJT triggering.

Overview of rectifiers, half wave uncontrolled rectifier with R load and R-L load, use of freewheeling diode, half wave rectifier R-L load with FWD.

Full wave bridge uncontrolled rectifier, half wave controlled rectifier with R load, R-L load and R-L load with free-wheeling diode, half controlled bridge rectifier, fully controlled bridge rectifier.

Effect of source inductance on the performance of ac to dc converters, power factor improvement, harmonic reduction, filter design.

Simulation of single phase half-wave and full-wave diode rectifier using R & L load.

Simulation of single phase fully controlled converter using R & L load.

Simulation of single phase semi converter using R-L load.

Simulation of 3-phase semi converter with R, R-L and dc motor load with/without freewheeling diode.

Introduction to chopper (Type A, B, C, D, E),switching techniques.

Step down dc chopper with R load, R-L-E load,step up dc chopper with R, R-L, R-L-E load.

Simulation of buck converter.

Simulation of boost converter.

Simulation of buck boost converter.

Introduction to inverters, importance and application of inverters, single phase half bridge inverter with R and R-L load, single phase bridge inverter with R and R-L load.

Control techniques of inverter, single/multiple pulse width modulation, sinusoidal pulse width modulation and its realization.

CSI, load-commutated CSI, industrial inverter.

AC voltage controller: Single phase bi-directional controllers with R and R-L load.

AC voltage controller: Single phase bi-directional controllers with R and R-L load

Simulation of single phase AC voltage controller & cyclo-converter.

Simulation of single phase AC voltage controller & cyclo-converter

Analysis of VSI, CSI fed induction motor drives.

Automotive & traction system, industries as rolling mills, pumps, elevators.

Utility systems as FACTs, smart grid, and renewable energy as wind turbine.

Simulation of converter fed dc drives (Wind Turbines).

Simulation of chopper fed dc drives (PV Systems).

Simulation of induction motor drives (e-Vehicle).

Simulation of railway electrification system using Dymola.

I have passed my M.Tech. from SoA university and continuing my Ph.D. degree from KIIT university. Now I am working as an Assistant Professor in Centurion University of Technology & Management, Bhubaneswar and having almost 10 years of working experiences and my Research Area includes Power Electronics & Drives and Renewable Energy System.