ELECTRICAL INSTALLATION
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United States of America Patent
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Issued Date -
Jul 11, 2013
app pub date -
Jul 13, 2011
filing date -
Sep 22, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electrical installation of an arc furnace for melting metals may include a power factor correction unit and a control unit for driving the power factor correction unit, wherein at least one control parameter is variable within a predetermined control parameter range. In this case, a restricted control parameter subrange is predetermined for the control parameter and the electrical installation comprises an operating unit, by means of which the control parameter is adjustable within the control parameter subrange. Thus, the flexibility of the electrical installation may be increased and the operator may have more room for manoeuvre with respect to operation and maintenance of the installation in comparison with conventional arrangements.
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