Abb Research Ltd.

Ate Postma

Jakob Rhyner

Bernhard Doser

Josef Lehmann

The invention relates to a simplified and cost-effective apparatus for injecting signals into electrical power lines at the high-voltage or medium-voltage level. A coupling unit which is simple to assemble and is protected against direct contact is proposed, in which the connecting cable,is integrated in the housing,of the coupling capacitor,In the region where the conductor,passes through the grounded housing,of the coupling capacitor,the electrical field is reduced by means of the housing wall having a special shape,A smooth field distribution is achieved by suitable rounding of the formed region,which is provided for the insertion of the connecting cable

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Munich, Georgia

Ate Postma