Coupling arrangement for power line carrier systems

Details Coupling arrangement for power line carrier systems Coupling arrangement for power line carrier systems

1976-04-21

1978-01-03

Hohauser, Herman

Electrical transmission or interconnection systems

Superimposed unlike currents

Different frequencies or phase

340310R, H04M 1100

Patent

active

040669122

ABSTRACT:
First and second bands of separate frequencies are coupled through hybrid transformers and frequency isolation filters to each of three phase wires of a power transmission line. The hybrid transformers and filters are arranged so that both bands of frequencies are transmitted and received even though there is an open or short circuit on one of the feed lines or one of the phase wires, thus providing the reliability desired or needed, particularly when the frequency bands provide relaying functions.

REFERENCES:
patent: 3846638 (1974-11-01), Wetherell
Sutton; Howard J., Power Line Carrier Tests on a 500 KV Line; Apr. 16, 1973: Conference Paper.

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