| 摘要 |
FIELD: electromechanical engineering; off-line power supplies built around capacitor-excited induction generators. ^ SUBSTANCE: proposed multifunctional stator winding has 24 coil groups. Finishing lead of coil group (8i +5) is connected to starting lead of coil group (8i + 8); finishing lead of the latter is connected to finishing lead of coil group (8i + 15) whose starting lead is connected to finishing lead of coil group (8i + 8). Starting lead of coil group (8i + 7) is connected to finishing lead of coil group (8i + 4) whose starting lead is connected to starting lead of coil group (8i + 3) and finishing lead of the latter, to starting lead of group (8i + 6). First phase leads are formed by finishing leads of coil groups (i - 7). Second phase leads of main winding are formed of interconnected starting lead of group (8i + 5) and finishing lead of group (8i + 6). Third leads are formed of starting lead of coil groups (8i + 18) with additional sixteen-pole winding connected to them (i = 1, 2, 3, number 24 being subtracted from number greater than 24).Main winding uses star or star-star connection and is connected to load and to field capacitor; low-voltage load is connected to third phase leads. Such design of winding makes it possible to produce off-line power supplies for different current frequencies and voltages at constant speed. ^ EFFECT: enlarged functional capabilities of winding. ^ 1 cl, 2 dwg |
