Patent ID: 11870237
Assignee: PROTERIAL, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. A rotating electrical machine to be connected to a switching circuit comprising a plurality of switching elements via an electrically conducting path comprising a plurality of electrically conductive bodies, the rotating electrical machine comprising:
a rotating electrical machine main body comprising windings of plural phases;
a plurality of connection lines to connect the plurality of electrically conductive bodies to the windings of plural phases; and
a surge suppression circuit to suppress surge voltage generated in the plurality of connecting lines,
wherein the surge suppression circuit comprises a plurality of upper diodes with anodes respectively connected to the plurality of connection lines, a plurality of lower diodes with cathodes respectively connected to the plurality of connection lines, an upper line connected to respective cathodes of the plurality of upper diodes, a lower line connected to respective anodes of the plurality of lower diodes, and a voltage holding circuit connected between the upper line and the lower line,
wherein the voltage holding circuit comprises a charging unit to store electric charge by the surge voltage and a discharge unit to discharge the electric charge stored in the charging unit, and
wherein an inrush current suppression resistor to suppress inrush current into the charging unit is connected at least between the respective cathodes of the plurality of upper diodes and the charging unit or between the respective anodes of the plurality of lower diodes and the charging unit.