| 摘要 |
A wave winding coil for a rotary electrical machine includes a coil conductor (1 a, 1b) including coil side portions (10a, 10b) and coil end portions (20a, 20b), the coil conductor being wound to include a wave winding configuration, a relational expression expressing a total number of the coil side portions included in a phase coil (6X) is expressed by a mathematical expression 1 m × k = n × q x 2p, and m refers to the number of the phase unit coils that are parallelly connected to each other, k refers to the number of the coil side portions that are serially connected to each other, q refers to the number of serially-connected-conductors per magnetic pole, the serially-connected-conductor belongs to one of the kinds of the coil side portions, 2p refers to the number of the magnetic pole, m refers to a common divisor between q × 2p and n. |
