Method and apparatus for supplying an electrostatic precipitator

Details Method and apparatus for supplying an electrostatic precipitator Method and apparatus for supplying an electrostatic precipitator

1986-03-28

1987-06-02

Wong, Peter S.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363124, 307 2, 323903, 55105, H02H 7122

Patent

active

046708294

ABSTRACT:
An electrostatic precipitator is fed high voltage pulses by a pulse generating circuit including a high voltage transformer and a first thyristor switch connected in series with a primary winding of the transformer. Magnetic saturation of the core of the high voltage transformer is prevented by recurrently short circuiting the primary winding of the transformer by means of a second thyristor switch connected in parallel to the primary winding. The second thyristor switch is closed for a period of time extending from a first instant following a high voltage pulse crest to a second instant at or before the start of a pulse generating cycle subsequent to the pulse crest.

REFERENCES:
patent: 4061961 (1977-12-01), Baker

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