| abstract |
A coil for a rotary electrical machine comprising a coil conductor and an insulation layer disposed around an outer periphery of the coil conductor, the insulation layer comprising a cured product of a mica tape, the mica tape comprising mica, a reinforcing member and a thermosetting resin, and having a reaction heat generated by a curing reaction of the thermosetting resin, as measured by differential scanning calorimetry (DSC), of -270 J/g or less. |