Audio-frequency powerline carrier control system with a current

Details Audio-frequency powerline carrier control system with a current Audio-frequency powerline carrier control system with a current

1981-03-03

1982-12-21

Eisenzopf, Reinhard J.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

361 93, H02H 7122

Patent

active

043652867

ABSTRACT:
A power line control circuit receives audio-frequency signals from a pulsed inverter that is transformer-coupled to the power line. A filter circuit is connected between the inverter and the coupling transformer primary circuit to transmit the audio signals and prevent power line frequencies from reaching the inverter. A magnitude-measuring circuit determines when output current from the inverter exceeds a certain value and controls an intervening circuit to reverse, briefly, the state of conductivity of the inverter.

REFERENCES:
patent: 3898531 (1975-08-01), Hinman, Jr.

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