DE189168C - - Google Patents

Description

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IMPERIAL

PATENT OFFICE.

PATENT LETTERING

- JKi 189168 - CLASS 21 tf. GROUP

Dr. MAX CORSEPIUS in COLOGNE a. Rh.

Addendum to patent 133685 of December 6, 1901.

Patented in the German Empire on December 28, 1904. Longest duration: December 5, 1916.

In the main patent, the stator winding assigned to the auxiliary rotor is added used to start the main runner. The present invention draws the Stator winding assigned to the main rotor or the main rotor winding also for the starting of the motor, primarily that of the auxiliary rotor, and secondly but also those of the main runner and, if necessary, other runners, the others with Motors that are mechanically or electrically connected to the actual motor belong. This has the advantage that the ~ auxiliary parts are reduced or the Reduced the number of switching operations or the controllability of the motor or its tractive power is increased, or several of these benefits occur, or all of them occur at the same time.

The stated principles can be applied in the following manner. performed will:

According to the main patent, the auxiliary rotor is tempered with the help of resistors, Reactors and other facilities.

Instead of one or more choke coils, the winding of the main stand part can now be used in whole or in part, alone or in conjunction with any of the devices mentioned. Furthermore, the self-induction of this winding can be changed in that the main rotor is closed more or less by resistance when starting. In this way, for example, the harmful effect of the winding part located in the main stator core can be eliminated. The winding of the main rotor can be arranged completely or partially closed when the auxiliary rotor is started, for example so that it is always closed at the same time by ohmic or inductive resistors or both by ohmic or inductive resistors located outside or built into the rotor, and it is more or less closed when the main rotor is started Short-circuit less through resistors or let it run without change. This arrangement can be used in conjunction with the previously described use of the main stator part winding as an aid for starting the auxiliary rotor or independently without the same. For example, the slip rings are initially short-circuited or by resistance, the auxiliary rotor is connected, then the slip rings are opened, the auxiliary starting means are switched on, e.g. B. W in Fig. 2 of the main patent, and now leaves the main rotor by closing the slip ring rotor. In all cases, including the last one described, induction resistors (choke coils) can be used instead of the usual resistors or in addition to the same. For example, the three-phase

Claims (2)

motors known arrangement are used that the rotor winding is closed by non-switchable resistors, which are parallel to induction resistors.
FIGS. 1 to 3 of the invention form examples of the use of the winding parts h for starting the auxiliary rotor. In Fig. Ι a wound according to Fig. 4 of the main patent motor is required. The winding η of the stator part designated by ρ in the main patent is connected to the main line with the interposition of a resistor w or instead of a choke coil. The winding half 1 of h is also connected, but ^{2 is} switched off by λ 2. With this circuit, the auxiliary rotor starts up in one direction or the other, depending on the use of a resistance or choke coil. Here, the main rotor r can be open or closed. The circuit is also effective if, for example, parts ΐ and 2 are connected in parallel through the dotted line. In Fig. 2, the winding h ¹ is connected before ri ¹ , both are bypassed by the resistor, which can be short-circuited by a ^1; h ² is switched off by <z ^2. After the auxiliary rotor has been started, the changeover switch u is switched over and a ¹ and a ^{2 are} closed. FIG. 3 shows, compared to FIG. 2, the modification that when the auxiliary rotor is started, the two winding parts I and 2 of h are connected in parallel. After starting the same, α is closed and the two changeover switches u (or a corresponding double-pole changeover switch) are switched over. With regard to the main rotor, what has been said about FIG. 1 applies. Usually the auxiliary rotor will have short-circuit windings. But if you have it with a lockable, z. B. slip ring winding provides, so you have the option, after starting the main rotor, instead of switching off the windings η in Fig. 4 of the main patent, to open the auxiliary rotor. Then η consumes very little electricity. This opening can take place automatically. In many cases, the switching process can be conveyed automatically in such a way that the auxiliary rotor acts on a centrifugal mechanism of any kind which, after a certain number of revolutions of the auxiliary rotor has been reached, causes a switchover or engagement. This can consist in that the winding h (Fig. 4 of the main patent) is switched on. Such a centrifugal circuit connected to the main rotor (axle or intermediate gear) can also cause the winding η to be switched off or the main rotor to be over-circuited or short-circuited in any way. The same purpose can be achieved by magnetic switches that are operated by the currents or voltages in the main rotor, e.g. B. magnets are flowed around by these currents or are connected in parallel to the windings (all or individual) (Fig. 4 to 6).
- The. The circuits listed all have the common feature that the windings assigned to the main rotor already come into operation before the main rotor has been switched on for starting at its number of revolutions in the manner corresponding to the main patent. The same principle can also be used in such a way that the main runner associated windings are connected to one or more further rotating field motors shared with the actual engine or separate from it Give up power. If you lead cables in this way from the slip rings of the main rotor to the stator or rotor winding of a rotating field motor, when the secondary armature is closed, not only the actual armature, but also the armature or armature is set the latter motors in rotation. The result is a circuit that works with the Three-phase motors known cascade connection is comparable. The benefit is a reduction in the number of revolutions of the engines and greater controllability of the tours. The engine is then started up to full number of revolutions by switching it off of the additional or additional cascade motors used as described. The principle discussed can also be used in another way. You can According to the main patent, the stator winding is made up of two parts and is assigned to the main rotor Arrange so that different numbers of poles can be achieved by switching. One then switches before the main runner is started on its number of revolutions in the manner corresponding to the main patent, If the winding has a larger number of poles, the motor runs with less force with the same force Power or watt consumption and achieves a smaller number of tours. By switching to the normal number of poles, then the engine can also reach its number of revolutions more easily. Godfather τ-An Proverbs: I. Arrangement for easier starting of the engine according to patent 133685, characterized in that the stator or stator assigned to the main rotor Rotor windings or both partially or completely come into operation before the Starting the auxiliary or main rotor on its number of revolutions in the main patent in a corresponding manner. 2. embodiment of the arrangement under i., Characterized in that the Motor due to the earlier inactivity of the windings assigned to the main rotor a further number of revolutions deviating from the normal is obtained by using additional rotating field motors with or without the use of additional rotating field motors Cascade connection or pole changing is used as an aid. For this purpose ι sheet of drawings.