ROTATING ELECTRICAL MACHINE

摘要

A rotating electrical machine according to the present invention comprises: a case constituted by a front bracket and a rear bracket; a rotor having a field winding arranged in the case; a stator having a stator winding arranged in the case; a control unit that includes a control circuit and a field circuit for supplying currents to the field winding; a power circuit for controlling the stator current flowing through the stator winding; a heat sink arranged for cooling the control unit and the power circuit; a first waterproof unit for waterproofing the signal terminals of the power circuit and field circuit; a second waterproof unit having a through-hole through which a part of the control unit and the power circuit is exposed and waterproofing the control unit, the power circuit, and the heat sink; and an insulating unit which is arranged in the through-hole of the second waterproof unit and insulates the control unit and the power circuit from the heat sink.