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do not worry about showing the DC bus capacitance values for question 5d where it asks to show earlier calculation from 5b from, just a
do not worry about showing the DC bus capacitance values for question 5d where it asks to show earlier calculation from 5b from, just a rough graph is fine.
A single-phase H-Bridge inverter employs a Phase-shifted Square Wave (PSSW) modulation technique to produce a 60Hz 3-level square wave output voltage. The H-Bridge is supplied using a full-bridge diode rectifier, which is energised from a 120V/m) 60Hz AC source. The intermediate DC bus capacitor is set to be very large, and the H-Bridge output load is a pure resistor with 5612 5.c. Determine the value of a required to produce an AC output load current with a fundamental component equal to 1/(rmx) = 2.6A. [7 marks] 5.d. Sketch operating waveforms for the rectifier and H-Bridge over two complete input AC cycles showing the incoming AC source voltage, the intermediate DC bus capacitor voltage, and the inverter output voltage for the DC bus capacitance as calculated in 5.b. and a calculated in 5.c. [10 marks] 5.e. If a 20mH inductor was added in series with the load resistor, how would this addition change the inverter output voltage and the inverter output current? Justify your answer by sketching new operating waveforms for the rectifier and H-Bridge over two complete input AC cycles showing the incoming AC source voltage, the inverter output voltage and the inverter output current for a calculated in 5.c. 18 marks/ A single-phase H-Bridge inverter employs a Phase-shifted Square Wave (PSSW) modulation technique to produce a 60Hz 3-level square wave output voltage. The H-Bridge is supplied using a full-bridge diode rectifier, which is energised from a 120V/m) 60Hz AC source. The intermediate DC bus capacitor is set to be very large, and the H-Bridge output load is a pure resistor with 5612 5.c. Determine the value of a required to produce an AC output load current with a fundamental component equal to 1/(rmx) = 2.6A. [7 marks] 5.d. Sketch operating waveforms for the rectifier and H-Bridge over two complete input AC cycles showing the incoming AC source voltage, the intermediate DC bus capacitor voltage, and the inverter output voltage for the DC bus capacitance as calculated in 5.b. and a calculated in 5.c. [10 marks] 5.e. If a 20mH inductor was added in series with the load resistor, how would this addition change the inverter output voltage and the inverter output current? Justify your answer by sketching new operating waveforms for the rectifier and H-Bridge over two complete input AC cycles showing the incoming AC source voltage, the inverter output voltage and the inverter output current for a calculated in 5.c. 18 marks/Step by Step Solution
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