THREE-PHASE TWO-LAYER ELECTRIC MACHINE WINDING IN z=186.c SLOTS WITH 2p=22.c AND 2p=26.c POLES

FIELD: electricity. ^ SUBSTANCE: application: electric machine industry. The task consists in lowering the differential leakage factor sigmad of symmetrical m'=3-zone electric machine fractional (q=62/11 and q=62/13) loop winding. To do this three-phase two-layer electric machine winding in z=1...

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Hauptverfasser: POPOV VIKTOR IVANOVICH, PETROV JURIJ NIKOLAEVICH, MAKAROV LEV NIKOLAEVICH, AKHUNOV TURSUN ABDALIMOVICH
Format: Patent
Sprache:eng ; rus
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Zusammenfassung:FIELD: electricity. ^ SUBSTANCE: application: electric machine industry. The task consists in lowering the differential leakage factor sigmad of symmetrical m'=3-zone electric machine fractional (q=62/11 and q=62/13) loop winding. To do this three-phase two-layer electric machine winding in z=186-c slots is made of 3p.c coil groups. 1) with 2p=22.c poles with number of slots per pole and phase q=62/11 and grouping 66566566565: in the first grouping "1 ...11 " the coils have slot pitch y""i=13-2(i-1) for groups of six- and y'""i =12-2(i'-1) five-coil with (1-x)wk turns of coils i=1, 6 and (1+x)wk of coils i=i'=3 with wk turns in the rest coils in groups and value of x=0,58; 2) with 2p=26.c poles with slot number per pole and phase q=62/13 and grouping 5555455545554: in the first grouping "1 ...13 " five-coil groups have slot pitch y""i =11-2(i-1).c (1-x)wK by turns of coils i =5 for "1", "4", "6", "8", "10", "12", (1-x)wk in i=1 and (1+x) wk in i=3 for "7", "11", y""=7.c (1+x)wK in i=3 for "2", "3" with (1-x)wk in i=1 for "2" and in i=5 for "3", and four-coil - y'""i =10-2(i'-1) with (1+x)wk by turns in i'=2, 3 with wk turns in the rest coils of groups when x=0.49. Such distributions of nonequalturn-coils repeat in each consequent grouping where c=1, 2, 3; i and I' - coil sequential numbers in groups; 2wK - number of turns in slots fully filled with winding. ^ EFFECT: lowering the differential leakage factor sigmad of symmetrical m'=3-zone electric machine fractional (q=62/11 and q=62/13) loop winding. ^ 2 cl, 8 dwg