Measuring the current loop of a PFC
Dr. Ali Shirsavar from Biricha Digital explains how to measure the fast current loop of a PFC circuit. In this measurement it is important to fix the input voltage at DC for the time the measurement is taken. This must be repeated for each input voltage level to measure the loop stability for all input voltage conditions. The loop gain is measured using the Bode 100 VNA in conjunction with the B-WIT 100 injection transformer. The results are compared to the simulation results from Biricha PLD software.
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