Transient free solid state automatic power factor correction
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United States of America Patent
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Feb 24, 1987
Grant Date -
N/A
app pub date -
Mar 13, 1985
filing date -
Mar 13, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an apparatus for controlling the power factor of a power distribution system connected to inductive loads, banks of delta connected capacitors are added to or removed from the power lines of the power distribution system by a plurality of solid state switching devices which are under the control of a microprocessor. The solid state switching devices include optically isolated SCR devices that do not generate electrical interference and provide transient free operation. The microprocessor is also capable of calculating the power factor and displaying it on a digital readout.
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