ELECTRONIC DEVICE AND METHOD FOR DETERMINING AT LEAST ONE CHARACTERISTIC PARAMETER OF A CONNECTION SET CONNECTED BETWEEN A CONVERTER AND AN ELECTRIC MACHINE, RELATED POWER SUPPLY CHAIN AND COMPUTER PROGRAM

An electronic determination device (20) for determining at least one characteristic parameter of a connection set (18) connected between a converter (14) and an electric machine (12); the converter comprising at least two output terminals (26) and, for each output terminal, a switching branch (28) including at least one converter switch (36); the connection set comprising a filter (38) connected to the output terminals and a cable (40) connected between the filter and the electric machine; the filter including, for each output terminal, a respective electromagnetic coil (44) connected to said output terminal and a respective capacitor (46) connected to said coil; the determination device (20) comprising:- for each output terminal, a device switch (50) configured to be connected to the respective capacitor;- a generation module (52) configured to generate a voltage pulse (54) through the connection set, by controlling the converter switches and each device switch;- an acquisition module (56) configured to acquire measurements of respective current(s) and voltage(s) through the filter, further to the generation of the respective voltage pulse; and- a calculation module (58) configured to calculate at least one characteristic parameter of the connection set according to the respective current(s) and voltage(s) measurements.