Abstract: The present invention relates to a system for analyzing the insulation condition of an electrical machine (1), the electrical machine (1) comprising a housing (2), a plurality of supply conductors (3) and at least one grounding branch (5), in which it comprises: at least one scanning module (20) coupled to the plurality of conductors (3); at least one control module (9) coupled to the scanning module (20); and at least one analysis module (21) coupled to the control module (9); wherein the scanning module (20) is configured to inject and measure a plurality of high frequency voltage signals between the housing (2) of the electrical machine (1) and the plurality of conductors (3) and measure a plurality of high frequency currents circulating in the plurality of conductors (3) in response to the injection of each of the plurality of high frequency voltage signals; wherein the control module (9) is configured to control and synchronize the injections and measurements of the scanning module (20) and send the meas