FIELD: electrical engineering.
SUBSTANCE: transformers with switching input voltage between the average first (35 kV) and average second (6 kV, 10 kV, 20 kV) voltages. The three-phase voltage converter contains nine identical single-phase transformers, the terminals of the primary and secondary windings of which are equipped with jumpers, and the jumpers of the primary windings are made with the ability to switch between the terminals so that it can operate at the average first (35 kV) or average second (6 kV, 10 kV, 20 kV) input voltage, and the jumpers of the secondary windings – with the ability to switch between the terminals in such a way that they divide it into two or three three-phase transformers.
EFFECT: expanding the functionality of the converter and simplifying its design.
1 cl, 7 dwg, 1 tbl
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