2-half-bridge-inverter-ideal-switches.pdf

Half-bridge Inverter - Ideal Switches

Task: Watch the video tutorials for inverters then based on the content of the video, complete the following. 1. Draw the circuit of a half-bridge inverter with ideal switches.

2. Given the switching state for S1 and S2, write the equivalent output voltage. S1

S2

0

0

0

1

1

0

1

1

3. Draw the switching signal waveform for S1 and S2 and the waveform for

S1

S2

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4. Fill in the blanks. Using a half-bridge inverter, we can achieve two different ____________ levels. We can switch between two levels but if the switches are controlled in an _____________ way, particularly using a PWM (____________________________) signal, we can make the _________ voltage of the load like any voltage value between - Vdc/2 to +Vdc/2. This is how we will use the control of the switches to control the average output value over the load and make it look like an approximate __________________.

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