Power supply for an electrostatic filter

Details Power supply for an electrostatic filter Power supply for an electrostatic filter

1986-06-24

1988-10-18

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including an a.c.-d.c.-a.c. converter

363 17, 363 28, 363 96, 363 98, 363124, 323903, 55139, H02M 544

Patent

active

047791829

ABSTRACT:
In order to scrub a waste gas, for example, of foreign matter by means of an electrostatic filter, a power supply is provided which contains a converter whose output feeds the primary winding of a high-voltage transformer. The secondary winding is connected to the electrostatic filter via a high-voltage rectifier. Disposed in the intermediate circuit of the converter is a control element for the intermediate circuit current. This shields the supply network against the effects of the power converter commutations and of short-circuits in the filter to a great extent. A limiter for the filter voltage and a temporary separation of the transformer from the inverter in case of filter short-circuits may be provided to reduce the stress on the components which can be made small if a high-frequency working cycle for the setter and the inverter is used.

REFERENCES:
patent: 3564384 (1971-02-01), Adles
patent: 3641740 (1972-02-01), Schumann et al.
patent: 3984215 (1976-10-01), Zucker
patent: 4394720 (1983-07-01), Gabor
patent: 4504895 (1985-03-01), Steigerwald
patent: 4558404 (1985-12-01), James
patent: 4638416 (1987-01-01), Nevpaver et al.
patent: 4652985 (1987-03-01), Bougle
patent: 4682266 (1987-07-01), Huynh et al.
patent: 4733137 (1988-03-01), Dunham

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