Line C Power Converters

Question 1

What work does a power rectifier perform?

Answer 1

Converts alternating current (AC) in direct current (DC)

Question 2

What work does a power inverter perform?

Answer 2

Converts direct current (DC) into alternating current (AC)

Question 3

Where may a gasfitter see the use of a power inverter?

Answer 3

Within the last stage of a variable frequency drive (VFD)

Question 4

Where may a gasfitter see the use of a power converter?

Answer 4

Within the first stage of a variable frequency drive (VFD)

Question 5

What electrical device(s) within the power rectifier converts alternating current (AC) to direct current (DC)?

Answer 5

Bridge rectifier

Question 6

What electrical device(s) within the power inverter converts direct current (DC) to alternating current (AC)?

Answer 6

Transistors and MOSFETs