Filter arrangement for a converter circuit

Details Filter arrangement for a converter circuit Filter arrangement for a converter circuit

1974-03-05

1976-01-27

Lawrence, James W.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

321 9R, 333 70R, H03H 704, H02M 112

Patent

active

039355519

ABSTRACT:
An improved filtering arrangement for a converter circuit in which a highpass filter, tuned to have a cutoff frequency which is less than the lowest harmonic to be filtered is provided instead of the customary plurality of filters tuned to individual harmonic currents. In a 12 pulse converter circuit, at least one highpass filter which is tuned to filter out harmonics starting with the fifth harmonic and which has a resonant frequency above the 11th harmonic is used.

REFERENCES:
patent: 2982928 (1961-05-01), Kall
patent: 3038134 (1962-06-01), Forssell
patent: 3292072 (1966-12-01), Cavallius et al.
patent: 3461372 (1969-08-01), Pickup et al.
patent: 3586958 (1971-06-01), Kafka

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