Fundamental of Power Electronics with MATLAB Simulink

Compute instantaneous and average power from voltage and current, derive energy as the time integral over a period, and distinguish absorbed versus supplied power in periodic circuits.

Explore how inductors store energy in magnetic fields and capacitors store energy in electric fields, and how diodes and switching recover and return that energy to the source.

Explain rms values for ac and pulsed waveforms and show how to compute rms by integrating v^2 over a period, relating to dc power and duty ratio.

Analyze apparent, active, and reactive power, understand power factor and distortion due to harmonics from non-linear loads, and learn how displacement factor, distortion factor, and THD influence system efficiency.

Learn how rectifiers convert ac to dc using diodes and bridge circuits, and explore single and three-phase configurations, uncontrolled and controlled types, with a basic resistive-load example.

Explore uncontrolled rectifiers with a resistive load fed by a transformer to step down and isolate. Compare center-tapped and full-bridge rectifiers and compute their average output voltage.

Explore rectifier performance parameters, including efficiency, form factor, ripple factor, utilization factor, and power factor, and learn how transformer input, harmonics, and filters shape a clean rectified voltage.

Compare uncontrolled three-phase rectifiers and their star and bridge configurations, highlighting lower harmonics, transformer utilization factor, isolation via transformers, and ripple reduction through zig-zag and double-star topologies for high-power applications.

Examine uncontrolled rectifiers with resistive-inductive loads, including steady-state and natural current responses and extinction angle beta. Apply freewheeling diodes and DC/LC filters to smooth output, with a Matlab Simulink example.

Discover how single-phase controlled rectifiers use delay angles and gate control to regulate output voltage for resistive and inductive loads, with example computing average load voltage, current, and input power.

Explore controlled single-phase rectifiers with an inductive RL load using MATLAB Simulink, analyzing continuous and discontinuous current modes, firing angles, and full-bridge implementations with pulse switching.

Explore three phase control rectifiers and thyristor bridges for industrial power electronics up to 120 kilowatts, detailing output frequency, line-to-line voltages, delay angle, and average output voltage.

Explore the fundamentals of DC-DC converters, including stepping high voltage sources up or down for traction, electric automobiles, and renewable energy, and compare linear regulators with switching converter options.

Explore the buck converter's switching operation, duty cycle, and steady-state analysis in continuous conduction mode to understand how input voltage becomes a lower dc output via an inductor and capacitor.

Design a buck converter in continuous conduction mode to deliver 18 V from 40 V, meet ripple under 5%, and select inductance, capacitance, and ESR using MATLAB Simulink.

Explore transformer-based buck converters for isolated dc-dc power supplies, covering forward and push-pull as well as full-bridge topologies, their energy transfer, duty-cycle relations, and output filtering.

Learn how a boost converter raises 12 V to 30 V through switching and duty cycle, with continuous conduction mode, sizing, and a Simulink design.

Explore buck-boost and flyback converters, examining duty cycle, magnetizing inductance, and transformer coupling to derive output voltage and continuous conduction mode conditions for isolated power.

Examine the Cuk converter as a continuous-conduction, inverting DC-DC topology using a transfer capacitor for energy, with duty cycle output and component sizing for 12 V to -18 V.

Explore how a Sepic converter delivers a positive output and how duty cycle and switching frequency shape voltages across L1, L2, C1, and C2 in a continuous conduction design example.

Explore pulse width modulation in power electronics by comparing a reference signal with a triangular carrier to generate transistor switching and control duty cycle and switching frequency.

Learn how dc to ac inverters convert dc input into symmetrical ac output with controlled magnitude and frequency, through bridge topologies, and explore voltage, current, and impedance network types.

Examine how a four-switch full-bridge inverter generates a square wave output, analyze current and voltage with resistive/inductive loads, and simulate bidirectional switching effects in Matlab/Simulink.

Explore representing square waves with Fourier series as sums of harmonics, highlighting the fundamental and odd harmonics, and evaluate total harmonic distortion in inverter outputs using MATLAB Simulink.

Use a passive lc low-pass filter to shape a square-wave inverter output into a sinusoid, design lc for the fundamental frequency, and compare thd reduction between sine pwm and pwm.

Explain the six-switch three-phase inverter using 180-degree and 120-degree conduction modes, with PWM modulation and MATLAB Simulink verification of line-to-line and line-to-neutral voltages.

Explore how cascaded h-bridge multilevel inverters extend basic switching to produce multiple voltage levels, reduce harmonic distortion, and interface renewable sources like photovoltaic to power grids.

Explore ac voltage controllers for single-phase and three-phase systems, using thyristors to regulate output voltage, current, and average power with on-off and angle control.

Simulate AC to AC converters using a pulse-driven switch model with a resistive load, measuring output voltage and current and computing averages and rms values.

Explore single-phase full-wave control of an RL load, deriving conduction angle from alpha and beta, analyzing hold-off gamma, and validating results with MATLAB Simulink simulations.

Analyze the three phase full wave controller with six thyristors, exploring firing sequences and delay angles from 0 to 150 degrees, output voltage, current, and power factor using MATLAB Simulink.