Electrostatic precipitator power supply circuit having a T-filter and pi-filter
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United States of America Patent
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May 11, 1999
Issued Date -
N/A
app pub date -
Apr 13, 1998
filing date -
Apr 5, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrical filter apparatus for an electrostatic precipitator, wherein the filter apparatus is a T-type or pi-type filter electrically connected to a high voltage output of an electrostatic precipitator power supply and an electrostatic precipitator electrode. The T-type filter comprises a first inductor electrically connected to the high voltage output and a capacitor that is also electrically connected to ground. A second inductor is connected to the first inductor and the electrostatic precipitator electrode. In another embodiment, a two-stage inductor assembly is provided having a third inductor member defined by a plurality of turns of a continuous length of wire, and a fourth inductor member defined by a plurality of ferrite beads in end-to-end relationship.
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