Electricity: power supply or regulation systems – Output level responsive – Phase controlled switching using electronic tube or a three...
Patent
1997-02-20
1998-05-26
Hecker, Stuart N.
Electricity: power supply or regulation systems
Output level responsive
Phase controlled switching using electronic tube or a three...
323242, 323246, 323903, 363 37, 363128, G05F 140, G05F 1455, H02M 545
Patent
active
057571694
ABSTRACT:
An electrostatic precipitator circuit has an input terminal supplied DC voltage, an output terminal connected to a precipitating capacitor, a storage capacitor connected between ground potential and the input terminal, and a recovery capacitor whose one electrode is applied with ground potential. The circuit further includes a current path switching unit having a common terminal and first and second switch terminals to be connected to the common terminal, the common terminal being connected to a non-ground electrode of the storage capacitor. The circuit further includes a first current path having a serial circuit of an inductor and a diode for connecting the first switch terminal to the output terminal, a second current path having a serial circuit of an inductor and a diode for connecting the output terminal to the non-ground electrode of the recovery capacitor, and a third current path having a serial circuit of an inductor and a diode for connecting the non-ground electrode of the recovery capacitor to the second switch terminal.
REFERENCES:
patent: 4107757 (1978-08-01), Masuda et al.
patent: 4558404 (1985-12-01), James
patent: 4665476 (1987-05-01), Masuda
Hecker Stuart N.
Patel Rajnikant B.
Sumitomo Heavy Industrie's, Ltd.
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