PHASE-TO-PHASE INSULATING PAPER OF ROTARY ELECTRIC MACHINE, AND ROTARY ELECTRIC MACHINE

• Main Authors: INNAN TOSHIO, ITO WATARU, MATSUBARA MASAKATSU, HANAI TAKASHI
• Format: Patent
• Language: English
• Published: 17.11.2011
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

PROBLEM TO BE SOLVED: To provide a phase-to-phase insulating paper of a rotary electric machine which can prevent a coil end from being torn or shifted in coil end molding compression, and a rotary electric machine.SOLUTION: A phase-to-phase insulating paper of a rotary electric machine of this embodiment comprises: a pair of phase-to-phase insulating paper main body formed in a shape which can insulate the coil ends of a stator coil of multiple phases in both the edges of the axial direction of a stator core; a coupling streak portion provided to lead the pair of phase-to-phase insulating paper main body and positioned in a slot. The phase-to-phase insulating paper main body is composed of multiple layers, and of these multiple layers, a friction coefficient between the external layer positioned on the outer peripheral side of the stator core and the magnet wire of the coil end is bigger than a friction coefficient between the internal layer positioned on the inner peripheral side of the stator core and the magnet wire of the coil end.