摘要:
A double-layer winding armature coil that is fitted into 72 three-phase two-pole slots, wherein; each of the phases has six parallel circuits that are divided into two phase belts (17,18); each of the parallel circuits consist of two coil pieces, an upper coil piece (15) and a lower coil piece (16), which are mutually and serially connected at the connecting-side coil end and the non-connecting-side coil end. The upper coil pieces of the first and fourth parallel circuits are connected, when indicating the relative positions of the upper and lower coils (15,16) within a phase belt as positions counted sequentially from the pole center, to the third, fourth, seventh and 12 th positions from the pole center, and the lower coil pieces are connected to the first, sixth, ninth and 10 th positions from the pole center; the upper and lower coil pieces (15,16) of the second and fifth parallel circuits are connected to the second, fifth, eighth and 11th positions from the pole center; the upper coil pieces of the third and sixth parallel circuits are connected to the first, sixth, ninth and 10 th positions from the pole center, and the lower coil pieces are connected to the third, fourth, seventh and 12 th positions from the pole center.
摘要:
A 3-phase 2-layer armature winding of a rotating electrical machine includes upper coil pieces (15a, 15b) and lower coil pieces (16a, 16b) housed in two layers in a plurality of slots (13) provided in a armature core (12), the upper coil pieces (15a, 15b) and lower coil pieces (16a, 16b) being sequentially connected in series at a connection side coil end (19a) and a counter-connection side coil end (19b), forming one and the same phase, each phase belt of the winding having n-th parallel circuits (n is an integer larger than 1), and an output terminal lead-out connection conductor (21) connected to an output terminal (22) and a neutral terminal lead-out connection conductor (21) connected to a neutral terminal (23) being connected to the coil pieces at the connection side coil end (19a) of the each phase belt, wherein the lead-out connection conductor (21) connected to the output terminal (22) is connected to a coil piece positioned at least farther than a first coil piece inside the phase belt counted from the end of the each phase belt, and a coil piece positioned at the end of the phase belt is connected to a coil piece positioned at least farther than the n-th (n is an integer larger than 1) inside the phase belt counted from the other end of the phase belt in the same parallel circuit, by a jumper wire (20a, 20b, 20c or 20d) .
摘要:
According to one embodiment, there is provided a three-phase even-numbered-pole two-layered armature winding housed in forty five slots per pole provided in a laminated iron core. Coil pieces corresponding to first and second parallel circuits are arranged in the first phase belt (17), coil pieces corresponding to fourth and fifth parallel circuits are arranged in the second phase belt (18), coil pieces corresponding to the third parallel circuit are arranged in the first and second phase belts (17, 18), and the upper coil pieces (15) and the lower coil pieces (16) of each parallel circuit are placed in same-numbered positions from a pole center.
摘要:
A double-layer winding armature coil that is fitted into 72 three-phase two-pole slots, wherein; each of the phases has six parallel circuits that are divided into two phase belts (17,18); each of the parallel circuits consist of two coil pieces, an upper coil piece (15) and a lower coil piece (16), which are mutually and serially connected at the connecting-side coil end and the non-connecting-side coil end. The upper coil pieces of the first and fourth parallel circuits are connected, when indicating the relative positions of the upper and lower coils (15,16) within a phase belt as positions counted sequentially from the pole center, to the third, fourth, seventh and 12 th positions from the pole center, and the lower coil pieces are connected to the first, sixth, ninth and 10 th positions from the pole center; the upper and lower coil pieces (15,16) of the second and fifth parallel circuits are connected to the second, fifth, eighth and 11th positions from the pole center; the upper coil pieces of the third and sixth parallel circuits are connected to the first, sixth, ninth and 10 th positions from the pole center, and the lower coil pieces are connected to the third, fourth, seventh and 12 th positions from the pole center.
摘要:
According to one embodiment, there is provided a three-phase even-numbered-pole two-layered armature winding housed in forty five slots per pole provided in a laminated iron core. Coil pieces corresponding to first and second parallel circuits are arranged in the first phase belt (17), coil pieces corresponding to fourth and fifth parallel circuits are arranged in the second phase belt (18), coil pieces corresponding to the third parallel circuit are arranged in the first and second phase belts (17, 18), and the upper coil pieces (15) and the lower coil pieces (16) of each parallel circuit are placed in same-numbered positions from a pole center.
摘要:
A wind power generation apparatus includes a rotor unit (6) including blades configured to convert wind energy into a rotary motion, and an electric generator (7) configured to convert the rotary motion energy of the rotor unit into power includes a water cooling pipe (27) arranged between a lower stator coil (25a) and an upper stator coil (25b) which constitute a stator coil (25) attached to a slot groove of a stator (23) of the electric generator, and a water cooler (8) configured to supply cooling water into the water cooling pipe and remove heat generated in the stator coil.
摘要:
A 3-phase 2-layer armature winding of a rotating electrical machine includes upper coil pieces (15a, 15b) and lower coil pieces (16a, 16b) housed in two layers in a plurality of slots (13) provided in a armature core (12), the upper coil pieces (15a, 15b) and lower coil pieces (16a, 16b) being sequentially connected in series at a connection side coil end (19a) and a counter-connection side coil end (19b), forming one and the same phase, each phase belt of the winding having n-th parallel circuits (n is an integer larger than 1), and an output terminal lead-out connection conductor (21) connected to an output terminal (22) and a neutral terminal lead-out connection conductor (21) connected to a neutral terminal (23) being connected to the coil pieces at the connection side coil end (19a) of the each phase belt, wherein the lead-out connection conductor (21) connected to the output terminal (22) is connected to a coil piece positioned at least farther than a first coil piece inside the phase belt counted from the end of the each phase belt, and a coil piece positioned at the end of the phase belt is connected to a coil piece positioned at least farther than the n-th (n is an integer larger than 1) inside the phase belt counted from the other end of the phase belt in the same parallel circuit, by a jumper wire (20a, 20b, 20c or 20d).