MSBTE K Scheme – 313335 Fundamentals of Power Electronics
Power
Electronics is one of the core subjects included in the MSBTE K
Scheme for Electrical and Electronics Engineering diploma students. This
subject deals with the conversion, control, and conditioning of electric
power using electronic devices. It is a bridge between power engineering
and electronics, making it one of the most important subjects for both
industry and academics.
In simple
terms, Power Electronics is the study of how electrical power (AC or DC)
can be efficiently converted, controlled, and delivered using
semiconductor devices like diodes, thyristors, MOSFETs, and IGBTs.
Importance of Power Electronics
- Plays a vital role in modern electrical
engineering and automation systems.
- Forms the backbone of power supplies, drives,
renewable energy, and electric vehicles.
- Provides knowledge of semiconductor switching
devices and their industrial applications.
- Helps in energy saving and power quality
improvement.
- Widely applied in industries, transportation,
and consumer electronics.
MSBTE K Scheme Syllabus Overview – Fundamentals of
Power Electronics
The syllabus is designed to cover
both theoretical knowledge and practical applications.
Unit 1: Introduction to Power
Electronics
- Definition, scope, and importance of Power
Electronics.
- Difference between power electronics and low-power
electronics.
- Applications in industries, households, and
transportation.
- Advantages and limitations of power electronics.
Unit 2: Power Semiconductor
Devices
- Power diodes – characteristics and applications.
- Thyristor family – SCR, DIAC, TRIAC, GTO.
- Power MOSFET – structure, working, and advantages.
- IGBT – features and applications.
- Device ratings, triggering methods, and switching
characteristics.
Unit 3: Rectifiers and Converters
- Controlled and uncontrolled rectifiers.
- Half-wave and full-wave rectifiers.
- Single-phase and three-phase rectifiers.
- AC–DC conversion using SCRs.
- DC–DC converters (Buck, Boost, Buck-Boost).
Unit 4: Inverters and Choppers
- Introduction to inverters (DC to AC conversion).
- Single-phase and three-phase inverters.
- Pulse Width Modulation (PWM) techniques.
- Classification of choppers – step-down, step-up,
and step-down/up.
- Applications of inverters in UPS and renewable
energy.
Unit 5: AC Voltage Controllers
and Cycloconverters
- Concept of AC voltage controllers.
- Phase control and on–off control methods.
- Introduction to cycloconverters (AC–AC conversion).
- Industrial applications of voltage controllers and
cycloconverters.
Unit 6: Applications of Power
Electronics
- Power supplies – SMPS (Switched Mode Power Supply).
- Battery chargers and UPS systems.
- Industrial motor drives.
- Renewable energy systems (solar inverters, wind
converters).
- Power electronics in electric vehicles and
traction.
Practical Applications of Power Electronics
- Industrial Automation → Controlling speed of
motors, heating elements, and furnaces.
- Consumer Electronics → Laptop adapters, LED
drivers, induction cooktops.
- Power Systems → HVDC transmission, FACTS
devices, smart grids.
- Transportation → Metro rail systems,
electric trains, hybrid and electric cars.
- Renewable Energy → Solar power inverters,
wind energy converters.
Real-Life Industry Examples
- ABB and Siemens → use power electronics for
industrial drives and automation.
- Tata Power Solar → applies power electronics
in solar inverters.
- Tesla and Tata Motors (EVs) → use advanced
converters and motor drives.
- Indian Railways → employs power electronics
for traction and locomotive control.
- BHEL → applies power electronics in HVDC and
FACTS projects.
Career Opportunities After Learning Power Electronics
- Power Electronics Design Engineer
- Testing and Quality Engineer
- Industrial Automation Engineer
- Renewable Energy System Engineer
- Electric Vehicle Powertrain Engineer
- Research and Development Specialist
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