Patent ID: 11901784
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A stator coil, comprising:
a coil conductor;
a first insulating layer in which a first mica tape is wound and laminated around an outer periphery of the coil conductor; and
a second insulating layer in which a second mica tape is wound and lair inated around an outer periphery of the first insulating layer,
wherein the first mica tape contains mica particles in a content of 30 g or more and 100 or less per 1 m2 of the mica tape,
wherein 60 mass % or more of the mica particles contained in the first mica tape pass through a JIS standard sieve having a nominal opening of 250 μm,
wherein the first mica tape has a lamination thickness of 0.1 mm or more and 1 mm or less, and
wherein 40 mass % or less of mica particles contained in the second mica tape pass through the HS standard sieve having a nominal opening of 250 μm.