Harmonic currents isolating network

Details Harmonic currents isolating network Harmonic currents isolating network

1986-07-23

1992-05-12

Beha, Jr., William H.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363126, H02M 112

Patent

active

051133350

ABSTRACT:
A network for connection between an AC power line and a DC power supply to isolate harmonic currents generated by the DC power supply from the AC power supply, the network employing three similar portions each connected between a repective conductor of the (three phase) AC power line and a respective conductor of the DC power supply. Each of the portions includes the series combination of three "reflectors" each having the parallel resonant combination of an inductor and a capacitor. Further, three series resonant inductor-capacitor combinations are employed each connected between a unique pair of the DC power supply conductors.

REFERENCES:
patent: 2138996 (1938-12-01), Blumlein
patent: 3461372 (1969-08-01), Pickup et al.
patent: 4222096 (1980-09-01), Capewell
patent: 4369490 (1983-01-01), Blum
patent: 4591963 (1986-05-01), Retotar
Sheffield, "Filter Design Simplified," Audio Engineering, vol. 35, No. 5, pp. 26, 28, 58, May 1951.
Kwon, "Computer-Aided Lumped-Element Filter. Design and Analysis," Microwave Journal, pp. 53, 54, 57, Mar. 1976.

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