Power supply for an electric precipitator

Details Power supply for an electric precipitator Power supply for an electric precipitator

1978-03-16

1980-11-11

Gonzales, John

Gas separation

Means within gas stream for conducting concentrate to collector

307 2, B03C 302

Patent

active

042330394

ABSTRACT:
An improved power supply for an electric precipitator which includes a d-c voltage source and a pulsed a-c voltage source coupled to the high-voltage electrodes of the precipitator. The improvement of the invention comprises the pulsed a-c voltage source comprising a high-voltage transformer including a primary winding and a secondary winding, the latter of which is coupled to the high-voltage electrodes of the precipitator. A d-c voltage source has one of the voltage terminals thereof coupled by means of a center tap to the primary winding of the transformer and the other of its voltage terminals coupled to a pair of thyristors and a pair of diodes connected to the ends of the primary winding of the transformer. The thyristors are coupled in anti-parallel relationship with the diodes and are adapted to be triggered in alternating fashion at the frequency of the voltage pulses desired to be generated.

REFERENCES:
patent: 3075136 (1963-01-01), Jones
patent: 3641740 (1972-02-01), Schumann

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