System for controlling an electrostatic precipitator using digit

Details System for controlling an electrostatic precipitator using digit System for controlling an electrostatic precipitator using digit

1993-04-02

1995-01-03

Voeltz, Emanuel T.

Electricity: power supply or regulation systems

Output level responsive

Phase controlled switching using electronic tube or a three...

323903, 96 23, 96 21, 96 32, G05F 1455, B03C 368

Patent

active

053789784

ABSTRACT:
A system for controlling an electrostatic precipitator adapted to be powered by an alternating power source includes a regulator for regulating at least one precipitator operating parameter in response to at least one control signal, a measurement circuit coupled to the precipitator for providing measurement signals corresponding to at least precipitator secondary voltage and precipitator secondary current. A processor coupled to the measurement circuit and to the regulator generates the control signals. The processor is operable to sample successive discrete values of the measurement signals corresponding to secondary voltage and secondary current during an individual half cycle of the alternating power source, to determine present precipitator operating conditions based on at least the sampled values, to predict precipitator operating conditions for the next half cycle of the alternating power source based on at least the present operating conditions, and to selectively vary the at least one control signal by the next half cycle of the alternating power source in response to the predicted operating conditions.

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