Power supply circuit for a direct current arc furnace
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United States of America Patent
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-
Jul 17, 1984
Grant Date -
N/A
app pub date -
Jul 29, 1982
filing date -
Jul 29, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power supply circuit for providing a continuous DC arc between two electrodes of an electric arc furnace comprises a three-phase AC power source, transformer means having primary and secondary windings and three linear reactors. One of the outputs of a three-phase full-wave rectifier is connected to one of the furnace electrodes. The other output of the rectifier is connected through a DC inductance to the second furnace electrode. The linear reactors and the transformer means are connected in series between the AC power source and the rectifier.
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