FIELD: electric engineering. SUBSTANCE: course of underground cable is accompanied with electrode which is located in soil. Then soil in cylindrical area around cable is treated by electric osmosis, in which electrode is used as anode and cathode is either tube in which cable is located, or additional electrode which is located in cable back fill. EFFECT: decreased heat resistance of soil, increased load of underground cable. 3 cl, 1 dwg
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Authors
Dates
1997-05-10—Published
1994-07-29—Filed