Method and apparatus for optimizing power consumption in an electrostatic precipitator
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United States of America Patent
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Nov 25, 1986
Grant Date -
N/A
app pub date -
Jan 4, 1985
filing date -
Jan 4, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for optimizing the power consumption of electrostatic precipitators communicating with a boiler or the like includes a load indexed signal fed forward to a field power controller to approximate the required power levels. An optical transducer is provided in the boiler stack for monitoring the emissions therefrom and feeds back a signal to the controller proportional to the emission from the stack to trim the power level. The controller incrementally adjusts the field power by comparing the opacity generated signal to a continuously optimized limit in order to thereby optimize the power consumption by lowering and raising the field power in response to changes in the opacity. The measurement of power permits the process to be extended to include supervision of electrode cleaning, compensation for fields out of service and flow balancing.
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