Learn Power Electronics and its Applications

Power electronics is a vital branch of electrical engineering dedicated to the efficient processing of high voltages and currents for power delivery. This multidisciplinary field focuses on power processing, control, and conversion, enabling a wide range of applications across power generation, power transmission, power distribution, and power control.

At the heart of power electronics lies the use of power semiconductor devices to switch input voltages and currents, achieving desired output characteristics. Traditional semiconductor devices like diodes, FETs, and BJTs are modified to handle the demanding conditions of high voltage and current, leading to the development of specialized components such as:

• Silicon-Controlled Thyristors (SCRs)
• Power Diodes
• Power Metal Oxide Semiconductor Field Effect Transistors (MOSFETs)
• Power BJTs
• Insulated Gate Bipolar Transistors (IGBTs)
• Gate Turn-Off Thyristors (GTOs)

Key functions in power electronics include:

1. Power Conversion: Transforming power between different AC and DC forms (AC to DC, DC to AC, AC to AC).
2. Power Conditioning: Removing unwanted distortion, harmonics, voltage dips, and overvoltages from power signals.
3. High-Speed Control: Precisely controlling electrical parameters like current, voltage impedance, and phase angle.

This course provides a comprehensive exploration of power electronics and its diverse applications. You will gain in-depth knowledge of:

• SCR (Silicon Controlled Rectifier): Understanding the operation and applications of SCRs.
• Power MOSFET: Exploring the characteristics and uses of Power MOSFETs.
• IGBT (Insulated Gate Bipolar Transistor): Delving into the functionality and applications of IGBTs.
• Single Phase Rectifier: Analyzing R and R-L load circuits, including circuit diagrams, waveforms, and equations.
• Inverters: A detailed examination of different inverter types.
• Choppers: Learning about chopper operation, classifications, and numerical analysis.
• Resonant Converters: Understanding the principles and applications of resonant converters.
• Power Electronics Applications: Exploring real-world applications of power electronics.

Power electronics applications covered include:

• UPS (Uninterruptible Power Supply): Understanding UPS types and their role in ensuring continuous power.
• Electronic Ballasts: Analyzing the function of electronic ballasts in lighting systems.
• LED Lamps: Exploring the use of power electronics in LED lighting.
• Fan Regulators: Understanding how power electronics regulates fan speed.