- Lesson 33 Introduction to Voltage Source Inverters, objectives: Identify the essential components of a voltage source inverter. ~ Explain the principle behind dc to ac conversion. ~ Identify the basic topology of single-phase and three-phase inverters and explain its principle of operation. ~ Explain the gate drive circuit requirements of inverter switches.. contents: [ How to Get AC Output From DC Input Supply? ~ What If The Load Is Not Resistive? ~ General Structure of Voltage Source Inverters ~ Need For Isolated Gate-Control Signals For The Switches ~ Classification of Voltage Source Inverters ]
- Lesson 34 Analysis of 1-Phase, Square - Wave Voltage Source Inverter, objectives: Explain the operating principle of a single-phase square wave inverter. ~ Compare the performance of single-phase half-bridge and full-bridge inverters. ~ Do harmonic analysis of load voltage and load current output by a single-phase inverter. ~ Decide on voltage and current ratings of inverter switches.. contents: [ Harmonic Analysis of The Load Voltage And Load Current Waveforms ~ Time Domain Analysis ~ Frequency Domain Analysis ~ Analysis Of The Single-Phase Full Bridge Inverter ~ Voltage And Current Ratings Of Inverter Switches ~ Applications Of Square Wave Inverter ]
- Lesson 35 3-Phase Voltage Source Inverter With Square Wave Output, objectives: Explain the operating principle of a three-phase square wave inverter. ~ Understand the limitations and advantages of square-wave inverters. ~ Do harmonic analysis of load voltage and load current output by the three-phase sq. wave inverter. ~ Decide on voltage and current ratings of inverter switches.. contents: [ Determination Of Load Phase-Voltages ~ Harmonic Analysis Of Load Voltage Waveforms ~ Voltage And Current Ratings Of Inverter Switches ~ Use And Limitations Of 3-Phase Square Wave Inverter ]
- Lesson 36 3-Phase Pulse Width Modulated (PWM) Inverter, objectives: Explain the philosophy behind PWM inverters. ~ Understand the advantages and disadvantages of PWM inverters. ~ Compare the quality of output voltage produced by different PWM inverters ~ Decide on voltage and current ratings of inverter switches.. contents: [ Nature Of Pole Voltage Waveforms Output By PWM Inverters ~ Harmonic Analysis Of Pole Voltage Waveform ~ Trade Off Between Low Order And High Order Harmonics ~ Brief Description Of Some Popular PWM Techniques ~ Two-Level Versus Three-Level PWM Inverters ~ Considerations On Switch Voltage And Current Ratings ]
- Lesson 37 Sine PWM and its Realization, objectives: Explain the concept of sine-modulated PWM inverter ~ Design a simple controller for the sine-PWM inverter ~ Calculate output voltage magnitude from the inverter operating parameters ~ Compare sine-modulated PWM inverter with square wave inverter. contents: [ Analysis Of The Pole Voltage Waveform With A Dc Modulating Signal ~ Pole Voltage Waveform With Sinusoidal Modulating Signal ~ What Is Modulation Index? ~ What Is Over-Modulation? ~ A 1-Phase Sine-PWM Inverter Of H-Bridge Topology ~ Generation Of 3-Phase Sine-PWM Waveform ~ A Typical Circuit For Generation Of PWM Waveforms ]
- Lesson 38 Other Popular PWM Techniques, objectives: Explain the concept of sine+3rd harmonic modulated PWM inverter ~ Explain Space-Vector based PWM (SVPWM) technique ~ Estimate output voltage of the inverter using above PWM techniques ~ Compare at least five different PWM techniques for a 3-phase inverter. contents: [ How To Get More Output Voltage From The Same DC Bus Voltage? ~ Sine + 3rd Harmonic PWM Technique ~ Space Vector PWM (SV-PWM) Technique ~ Smoothly Rotating Space Voltage Vector From Inverter ~ Algorithm For Producing Sinusoidal Output Voltages Using SV-PWM ~ Some Other Popular PWM Techniques ~ Selective Harmonic Elimination Technique ~ Current Controlled PWM (CCPWM) Technique ]
- Lesson 39 Current Source Inverter, objectives: The circuit for single-phase Current Source Inverter (CSI) using thyristors ~ Auto-Sequential Commutated mode of operation for 1-ph. Inverter (ASCI), with waveforms ~ Three-phase Current Source Inverter (CSI) - circuit and operation, with waveforms. contents: [ Single-phase Current Source Inverter ~ Three-phase Current Source Inverter ]
- Lesson 40 Load-commutated Current Source Inverter (CSI), objectives: Study of the circuit and operation for Load-commutated Current Source Inverter (CSI). contents: [ Load-Commutated CSI ] ]
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