SU33600A1 - Electric transformer - Google Patents

Description

The present invention relates to an electrical transformer device and consists of the B form of its implementation. The transformer windings are located in such a way that an electromotive force arises in the secondary winding, the constant amplitude of which is independent of the phase ratio of the currents in the primary windings, as well as whether or not only one of these coils is connected to the network.

In the schematic drawing of FIG. 1 depicts the proposed transformer; FIG. 2 embodiment of the same transformer; FIG. 3-vector diagram of magnetic flux and transformer.

The magnetic system of this transformer has six cores, four of which form a square, and the other two cores located diagonally with respect to the square are connected to its different angles. Between themselves, they may or may not be connected (Fig. 1) or connected by their middle parts (Fig. 2). In the latter case, all six cores can be located in the same plane.

The primary transformer winding consists of two fed from separate

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sources of coils E w F (Fig. 1% 2), located on the diagonal cores and electrically not connected to each other. The secondary winding has four coils A, B, C, D located on the sides of the square and included in the secondary circuit so that their electromotive forces with the same flow direction in the indicated cores are added.

If one of the coils E or F is turned on in the primary circuit, then its flow J will be closed through the sides of the square, and each of the coils A, B, C, D will be penetrated by the flow F1 F1. If both coils f and / and the currents in them are both in phase or 180 different then through; one pair of secondary coils will flow, and another.

Thus, in these cases, the total electromotive force at the terminals of the secondary winding of the transformer will be proportional to the value of 2F. If the windings E 1L F are shifted by an angle, then the resultant stream in one pair of coils, for example 4 and B, will be, and in the other - / 2- Their geometric sum gives the stream / 1-f- / 2 2F i.e., equal to ps value and direction of flow in the previous cases. Therefore, when