DE1563094B2 - PROCESS FOR MANUFACTURING A STAND DEVELOPMENT FOR ELECTRIC MOTORS OR GENERATORS - Google Patents

Description

■ .. '.. - :. - The following examples serve as an explanation

■ ν · - ·. . of the process in the manufacture of stator winding

20 lungs for four-pole and six-pole three-phase induction motors.

The invention relates to a method for. Example!.

Production of one from coil groups each with " ^:

same number of coils existing stator winding 25 stator winding for a four-pole three-phase winding for electric motors or generators, induction motor

in which all coils of a phase are connected ■ ":. ■■ ' -

are wound in the same direction and at It is assumed that the stator core has 32 slots

which every second coil group has before being introduced, in which coil groups for three phases Λ (, Β

the winding in the stator slots rotated by 180 ° 3 ° and insert C. It is also assumed

will. that each phase winding consists of twelve coils,

It is known for the production of stator windings that the individual "sink groups of a phase" are formed by winding an uninterrupted copper winding. "Wires" are "formed" in "one direction", "as in a coherent winding in one direction, and FIG. 1 is shown. Each coil has the same number of turns to turn every other coil group. If 35 turns, generally 20 to 60 turns, and thereby the first and third group of sinks through 180 °, and is connected to the adjacent coils, there is the disadvantage that the coils are in four groups a, b, c and d under-coils connecting conductors each on opposite parts. However, this does not mean. that a particularly lying side of the coil heads emerge, so that long connection between adjacent groups, the connections are relatively long and difficult. The connection length between berig are manageable as they are easily tangled. neighboring groups is equal to the length of the connection

It is also known (magazine »Elektrotech- between adjacent coils; a length of about

nik ”, 6 (1952), no.12, supplement“ Electrical manufacture ”, half a turn is sufficient.

P. 634), not the first and the third, but rather many- It is assumed that initially each of the spu-

more the second and fourth coil groups by 45 lenl to 12, from the one on the left

To rotate 180 °. Since the coil ends in this case are seen from the beginning of the winding, opposite to that

known winding is wound clockwise on the same side of the coil (left winding). the

head, the connections of the individual coils 1, 2 and 3 are then turned 180 ° together

n coil groups in such a way that the end of the first is rotated so that it is wound clockwise.

Coil group with the end of the second coil 50 shine (right-hand winding). This state is in

group, the beginning of the second coil group with F i g. 2 shown.

the beginning of the third coil group and the end. Next, coils 1 and 2 are passed through the third coil group with the end of the fourth coil 3 (Fig. 3). Furthermore, coil groups are connected; This leads-again-to-the coil 1 through the coil 2 (FIG. 4) through the disadvantage already mentioned that the connection 55 is routed. It can then be seen that the coils 1, 2 gene between the coil groups and 3, again seen from the left, fail in the original and thus the introduction of the coils are arranged borrowed order, but have greater trouble in the stator winding. These three coils 1, ... 2 .and .3. Now a right-hand winding can also be easier to mix up the development, while the other coils 4 to 12, the coils occur. 60 Keep left hand winding.

It is the object of the invention to separate the individual coils. Subsequently, the three coils 10, 11 and 12

to arrange the coil groups so that they are rotated together by 180 ° so that they are now

connections between the coil groups as possible from the beginning of the winding right-hand winding

short and have the winding heads as clearly laid out as possible (Fig. 5). Then the coils 7, 8,

are. 65 9, 12, 11 and 10 rotated together by 180 °, see above

The task at hand is in a method that the coils 10, 11 and 12 return to the state

of the type mentioned at the outset according to the invention that have left-hand winding, while the coils 7, 8

solved by that the order of the individual and 9 now appear as a right winding (Fig. 6).

3 4

The coils 8, 9, 12, 11 and 10 are then through having; the number of coil groups per phase

the coil 7 passed through (FIG. 7). Subsequently carries six. Each coil group consists of three coil

the coils 9, 12, 11 and 10 are len through the coil 8. The process of rearranging the coils

passed through (Fig. 8). Finally the each coil group is as follows:

Coils 12, 11 and 10 through the coil 9- 5 The original order of the coils is in

out (Fig. 9). The end result is that Fig. 14 is shown.

Now the coils in the original order The coils 1, 2 and 3 are turned over (Fig. 15).

are arranged, but the coils 1, 2 and 3 are one The coils 3, 2, 1, 4, 5 and 6 are turned over

Right-hand winding, coils 4, 5 and 6 a left-hand winding (Fig. 16).

Winding, the coils 7, 8 and 9 a right winding io The coils 5, 4, 1, 2 and 3 are through the

and the coils 10, 11 and 12 are passed through a left-hand winding coil 6 (Fig. 17).

have (Fig. 10). The coils 4, 1, 2 and 3 are replaced by the coil 5

After the coil groups for the three phases A, passed through (Fig. 18).

B and C are prepared in the above manner. The coils 1, 2 and 3 are made by the coil 4

the phase A coil groups in Fig. 15 are passed through (Fig. 19).

the corresponding slots S ₁ to S _{36 of} the stator core. The coils 16, 17 and 18 are reversed

is used as shown in FIG. R and U are (Fig. 20).

the terminal ends of the phase winding. The Rieh- The coils 13, 14, 15, 18, 17 and 16 are made

The direction of the electric current is reversed by arrows (Fig. 21).

indicates. The coil groups are then 20 The coils 10, 11, 12, 16, 17, 18, 15, 14 and 13

phase B pen inserted into the grooves. S and V are reversed (Fig. 22).

draw the connection ends of this phase winding The coils 11, 12, 16, 17, 18, 15, 14 and 13 are

(Fig. 12). Finally, the insertion of the coil ends is passed through the coil 10 (FIG. 23).

groups of phase C in the grooves according to the Dar- The coils 12, 16, 17, 18, 15, 14 and 13 are

position in FIG. 13 made. T and W be 25 passed through the coil 11 (FIG. 24).

draw the connection ends of this phase winding. The coils 16,17,18,15,14 and 13 are through

the coil 12 passed through (Fig. 25).

. . The coils 17 and 18 are made by the coil 16

B e 1 s ρ 1 e 1 2 passed through (Fig. 26).

30 The bobbin 18 is tied through by the bobbin 17

Stator winding for a six-pole three-phase guided (Fig. 27).

induction motor 'This means that all coils are back to their original state In the order in which the winding

It is assumed that the stator core 48 slots direction is reversed for every three coils

for the coil groups of the three phases ^, B and C 35 (Fig. 28).

For this purpose 2 sheets of drawings

Claims (1)

1 2 Wind through the coil groups rotated by 180 ° Claim: at least inserting the coils through the coils a coil group is reversed. In this way, the connections between two groups, each with the same number of coils 5, see the individual coil groups essentially short stator winding for electrical zer, and there are clearly end windings.
Motors or generators in which all the coils of the exemplary embodiments of the invention are shown in one phase coherently in the same drawings and are wound in the following direction and in which each is described in more detail. Show it second coil group before the introduction of the io Fig. 1 to 10 the successive steps Winding in the stator slots rotated by 180 ° when producing a four-pole stator winding is, characterized in that the for an electric motor according to the invention, Order of the individual coils by 180 ° Fig. 11 to 13 the way of insertion turned .scoil groups by pushing the coil groups into the stator slots, of the coils by the coils of at least one 15 Fig. 14 to 28 the successive steps Coil group is reversed. in the manufacture of a six-pole stator winding for an electric motor.