Rotating electrical machine coil, production method of rotating electrical machine coil, and rotating electrical machine
View Patent ↗A rotating electrical machine includes a plurality of coil conductors, and an insulating tape. The insulating tape is wound around the coil conductors a plurality of times to form an insulating layer. The insulating layer corresponds to at least a part of the coil conductors protruded from the core is provided so that a part of the wound insulating tape is adhered.
1. A rotating electrical machine coil provided by receiving the rotating electrical machine coil in a core of a rotating electrical machine and performing impregnation with insulating resin and curing of the insulating resin, comprising:
a plurality of coil conductors; and
an insulating tape wound around the coil conductors a plurality of times to form an insulating layer, wherein
the insulating layer corresponding to at least a part of the coil conductors protruded from the core is provided so that a part of the wound insulating tape is adhered,
the insulating tape is adhered directly to an outer circumference side of the insulating layer, and
the insulating tape is adhered between layers of the wound insulating tape.
2. The rotating electrical machine coil according to claim 1 , wherein
the insulating tape is adhered at an overlapped part of the wound insulating tape.
3. The rotating electrical machine coil according to claim 2 , wherein
an adhesive member is provided to inside of the winding insulating tape.
4. The rotating electrical machine coil according to claim 1 , wherein
in the insulating layer corresponding to at least the part of the coil conductors protruded from the core, the insulating tape is continuously adhered in a longitudinal direction of the coil.
5. The rotating electrical machine coil according to claim 1 , wherein
in the insulating layer corresponding to at least the part of the coil conductors protruded from the core, the insulating tape is discontinuously adhered in a longitudinal direction of the coil.
6. The rotating electrical machine coil according to claim 5 , wherein
the insulating tape is discontinuously adhered to have a pitch equal to a winding pitch in a longitudinal direction of the insulating tape.
7. The rotating electrical machine coil according to claim 1 , wherein
in the insulating layer corresponding to at least the part of the coil conductors protruded from the core, the insulating tape is adhered on a side surface having the largest area in a circumferential direction.
8. A rotating electrical machine, comprising:
the rotating electrical machine coil according to claim 1 ; and
a rotating electrical machine core in which the rotating electrical machine coil is received, wherein
the rotating electrical machine coil and the rotating electrical machine core are impregnated with resin.