Automatic intermittent energization controller of electrostatic

Details Automatic intermittent energization controller of electrostatic Automatic intermittent energization controller of electrostatic

1992-09-21

1994-06-14

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356438, 96 19, B03C 366, B03C 368

Patent

active

053212746

ABSTRACT:
An electrostatic precipitator (ESP) intermittent energization controller is included with a CPU that adaptively controls the DC power used to energize the ESP. An opacimeter is mounted to the ESP for detecting the opacity of dust particles flowing through the same. The CPU searches through a table consisting of a predetermined number of charge-pause parameter sets until one charge-pause parameter set is found to cause the difference between the detected opacity level and the preset opacity level to be within a predetermined tolerable range.

REFERENCES:
patent: 3779650 (1973-12-01), Crowley
patent: 3919702 (1975-11-01), Hayes et al.
patent: 4017193 (1977-04-01), Loiterman
patent: 4284417 (1981-08-01), Reese et al.
patent: 4583859 (1986-04-01), Hall, II
patent: 5032154 (1991-07-01), Wright
patent: 5154734 (1992-10-01), Yung
patent: 5217504 (1993-06-01), Johansson

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