LONGITUDINAL VOLTAGE REGULATION AT THE LINE TERMINALS OF A PHASE SHIFTING TRANSFORMER
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United States of America
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Feb 13, 2020
app pub date -
Oct 18, 2019
filing date -
Oct 18, 2019
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Abstract
A phase shifting transformer for poly-phase alternating current includes source side terminals, load side terminals, an exciting unit, and a series unit. The exciting unit includes further coils that are magnetically coupled to primary coils and to the secondary coils of the exciting unit to provide further voltages. The further coils are connected in series between the source side terminals and the series unit, so that the voltages at the load terminals are combinations of the quadrature voltages and the further voltages with the source voltages, thus modifying the voltage phase displacement between the source side terminals and the load side terminals.
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