LARGE SIGNAL INDUCTANCE MEASURING DEVICE AND METHOD FOR PERFORMING A MEASURING PROCESS FOR MEASURING AN INDUCTANCE

• Main Authors: Schwanninger, Raffael, Gehring, Johannes, Wunder, Bernd
• Format: Patent
• Language: English; French; German
• Published: 03.04.2024
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

Large-signal inductance measuring device for performing a measuring operation for measuring an inductance at an electrical energy supply line arrangement operated with a DC voltage, the large-signal inductance measuring device including: a disconnecting switch for electrically disconnecting the first conductor of the energy supply line arrangement; a first series circuit including a first capacitive arrangement and a first diode arrangement; a first measuring device for measuring a first change in voltage after the first conductor is disconnected; a second series circuit including a second capacitive arrangement and a second diode arrangement; a second measuring device for measuring a second change in voltage after the first conductor is disconnected; a third measuring device for measuring a third current on the first conductor before the first conductor is disconnected; and an evaluation device for evaluating the measured first change in voltage, the measured second change in voltage, and the measured third current.