A single phase full-bridge inverter is supplying a series RL load (R=202, L=0.04H) from a 300V DC source. The full square-wave output waveform period is 8ms. The controlled switches are MOSFETS. Assume the circuit is ideal. a. Sketch the scaled load current for first two periods from starting by calculating. (Assuming i,=0 at =0) b. For steady state operation find the maximum and minimum vahues of load current. c. Calculate the MOSFET conduction time and the mean value of MOSFET current.

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A single phase full-bridge inverter is supplying a series RL load (R=202, L=0.04H)
from a 300V DC source. The full square-wave output waveform period is 8ms. The
controlled switches are MOSFETS. Assume the circuit is ideal.
a. Sketch the scaled load current for first two periods from starting by
calculating. (Assuming i=0 at =0)
b. For steady state operation find the maximum and minimum vahues of load
current.
c. Calculate the MOSFET conduction time and the mean value of MOSFET
current.
d. Calculate the diode conduction time and the mean value of diode current.
e. Sketch the scaled voltage across the load inductance.
f. Sketch the source current (the current drawn from DC voltage source)
g. Calculate the mean value of the source current.
Transcribed Image Text:A single phase full-bridge inverter is supplying a series RL load (R=202, L=0.04H) from a 300V DC source. The full square-wave output waveform period is 8ms. The controlled switches are MOSFETS. Assume the circuit is ideal. a. Sketch the scaled load current for first two periods from starting by calculating. (Assuming i=0 at =0) b. For steady state operation find the maximum and minimum vahues of load current. c. Calculate the MOSFET conduction time and the mean value of MOSFET current. d. Calculate the diode conduction time and the mean value of diode current. e. Sketch the scaled voltage across the load inductance. f. Sketch the source current (the current drawn from DC voltage source) g. Calculate the mean value of the source current.
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