Using the sine PWM method with the full bridge inverter below, it is desired to generate a voltage of 50 Hz on the serial RL load. A voltage of 120 V DC is applied to the input of the inverter circuit. Amplitude modulation rate ma -0.9 and frequency modulation rate mf -19. The resistance of the series RL load is 15 OHM and the coil inductance is 40 mH. a) What is the power drawn by the load resistor? b) What is the total harmonic distortion value (THD) of the load current?

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 30SQ
icon
Related questions
Question

 Using the sine PWM method with the full bridge inverter below, it is desired to generate a voltage of 50 Hz on the serial RL load. A voltage of 120 V DC is applied to the input of the inverter circuit. Amplitude modulation rate ma -0.9 and frequency modulation rate mf -19. The resistance of the series RL load is 15 OHM and the coil inductance is 40 mH.

a) What is the power drawn by the load resistor?
b) What is the total harmonic distortion value (THD) of the load current?

Vdc
is,
S₁
is3
S3
is₂
S₂
Transcribed Image Text:Vdc is, S₁ is3 S3 is₂ S₂
Expert Solution
steps

Step by step

Solved in 4 steps with 8 images

Blurred answer
Knowledge Booster
Single Phase and Three Phase Inverter
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Electric Motor Control
Electric Motor Control
Electrical Engineering
ISBN:
9781133702818
Author:
Herman
Publisher:
CENGAGE L