Filtering device for high-voltage power lines used as high-frequ

Details Filtering device for high-voltage power lines used as high-frequ Filtering device for high-voltage power lines used as high-frequ

1977-03-23

1979-01-23

Church, Craig E.

Wave transmission lines and networks

Plural channel systems

333 70R, 340310R, H03H 714, H03H 704, H04B 356

Patent

active

041363191

ABSTRACT:
Telecommunications are conveyed between sub-stations of a high-voltage electricity distribution network by high-frequency carriers using the power lines as transmission media. The filtering device attenuates high frequencies spilling over from one line section to the next. Filter elements in series with the line are high-voltage units passing high currents and are therefore expensive. Coarse-tuned high-voltage filter elements include an HF drain path to earth. Fine-tuned low-voltage filter elements at the earth end of the Hf drain path prevent wanted signals from being lost.

REFERENCES:
patent: 1469832 (1923-10-01), Hamilton
patent: 2860324 (1958-11-01), Berger et al.
patent: 3771064 (1973-11-01), Herbert, Jr.

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