In a full-bridge single-phase inverter with an input voltage of 200V and a switching frequency of 4kHz, the power of a 16Ω load is controlled by the method of a gapped square wave control. Ignoring the circuit losses, answer the following questions a. Draw the inverter circuit presented in the question b. Generate PWM signals for a duty ratio of ½. Draw the load voltage, load current. Draw the current and the voltage of any of the semiconductors. Find the load voltage. Find the output voltage frequency c. Find the nominal (the maximum) power and current of the load
1. In a full-bridge single-phase inverter with an input voltage of 200V and a switching
frequency of 4kHz, the power of a 16Ω load is controlled by the method of a gapped
square wave control. Ignoring the circuit losses, answer the following questions
a. Draw the inverter circuit presented in the question
b. Generate PWM signals for a duty ratio of ½. Draw the load voltage, load current. Draw
the current and the voltage of any of the semiconductors. Find the load voltage. Find the
output voltage frequency
c. Find the nominal (the maximum) power and current of the load
d. Find the duty ratio to get half of the nominal voltage
e. Find the duty ratio to get a quarter of the nominal power
f. Find the average value and effective value of BJT current for the case of item-e
Step by step
Solved in 2 steps with 2 images
