The exhaustive list of topics in Pulse width Modulation For Power Electronic Converters in which we provide** Help with Homework Assignment** and **Help with Project** is as follows:

**Power electronic converters for dc-ac and ac-dc power conversion:**- Electronic switches
- DC-dc buck and boost converters
- H-bridge
- Multilevel converters – diode clamp
- Flying capacitor and cascaded-cell converters
- Voltage source and current source converters
- Evolution of topologies for dc-ac power conversion from dc-dc converters.

**Applications of voltage source converters:**- Applications of voltage source converter
- Motor drives
- Active front-end converters
- Reactive compensators
- Active power filters.

**Purpose of pulsewidth modulation:**- Review of Fourier series
- Fundamental and harmonic voltages
- Machine model for harmonic voltages
- Undesirable effects of harmonic voltages – line current distortion
- Increased losses
- Pulsating torque in motor drives
- Control of fundamental voltage
- Mitigation of harmonics and their adverse effects

**Pulsewidth modulation (PWM) at low switching frequency:**- Square wave operation of voltage source inverter
- PWM with a few switching angles per quarter cycle
- Equal voltage contours
- Selective harmonic elimination
- THD optimized PWM
- Off-line PWM

**Triangle-comparison based PWM:**- Average pole voltages
- Sinusoidal modulation
- Third harmonic injection
- Continuous PWM
- Bus-clamping or discontinuous PWM

**Space vector based PWM:**- Space vector concept and transformation
- Per-phase methods from a space vector perspective
- Space vector based modulation
- Conventional space vector PWM
- Bus-clamping PWM
- Advanced PWM
- Triangle-comparison approach versus space vector approach to PWM

**Analysis of line current ripple:**- Synchronously revolving reference frame
- Error between reference voltage and applied voltage
- Integral of voltage error
- Evaluation of line current ripple
- Hybrid PWM for reduced line current ripple

**Analysis of dc link current:**- Relation between line-side currents and dc link current
- DC link current and inverter state
- Rms dc current ripple over a carrier cycle
- Rms current rating of dc capacitors

**Analysis of torque ripple:**- Evaluation of harmonic torques and rms torque ripple
- Hybrid PWM for reduced torque ripple

**Inverter loss:**- Simplifying assumptions in evaluation of inverter loss
- Dependence of inverter loss on line power factor
- Influence of PWM techniques on switching loss
- Design of PWM for low inverter loss.

**Effect of inverter dead-time effect:**- Requirement of dead-time
- Effect of dead-time on line voltages
- Dependence on power factor and modulation method
- Compensation of dead-time effect.

**Overmodulation:**- Per-phase and space vector approaches to overmodulation
- Average voltages in a synchronously revolving
*d-q*reference frame - Low-frequency harmonic distortion

**PWM for multilevel inverter:**- Extensions of sine-triangle PWM to multilevel inverters
- Voltage space vectors
- Space vector based PWM
- Analysis of line current ripple and torque ripple

**Overview of power electronic converters:**- Electronic switches.
- DC - DC converters.
- DC - AC voltage source inverter.
- DC - AC voltage source inverter.
- Multilevel inverter - diode clamped inverter.
- Multilevel inverter - flying capacitor inverter.

**Applications of voltage source converter:**- Applications of voltage source converter

**Purpose of pulsewidth modulation (PWM):**- Review of Fourier series.
- Harmonic voltages and their undesirable effects.

**Pulsewidth modulation at low switching frequency:**- Low switching frequency operation of a VSI
- Selective harmonic elimination and THD optimized PWM.

**Triangle-comparison based PWM:**- Sine-triangle modulation.
- Third harmonic injection PWM (THIPWM).
- Bus-clamping PWM.

**Space vector-based PWM:**- Concept of space vector.
- Conventional space vector PWM and bus-clamping PWM.
- A unified perspective of triangle-comparison and space vector based PWM.
- Advanced bus-clamping PWM.

**Analysis of line current ripple:**- Transformation from stationary reference frame to synchronously revolving
*dq*reference frame. - Volt-second balance and instantaneous error voltage.
- Calculation of RMS line current ripple.
- Space vector-based hybrid PWM for reduced line current ripple.

- Transformation from stationary reference frame to synchronously revolving
**Analysis of dc link current:**- Inverter state and dc link current.
- Average and RMS values of dc link current.

**Analysis of torque ripple:**- Calculation of harmonic torques and RMS torque ripple.
- Hybrid PWM techniques to reduce ripple torque.

**Inverter loss:**- Evaluation of conduction loss.
- Dependence of switching loss on power factor and modulation method.
- PWM techniques for reduced switching loss.

**Effect of inverter dead-time:**- Effect of dead-time with continuous modulation.
- Effect of dead-time with discontinuous or bus-clamping PWM.

**Overmodulation:**- Per-phase approach to overmodulation.
- Space vector approach to overmodulation.
- A perspective from the synchronously revolving d-q reference frame.

**PWM for multilevel inverters:**- Extension of sine-triangle modulation to three-level inverters.
- Extension of conventional space vector modulation to three-level inverters.
- Analysis of line current ripple and torque ripple.