Power transformer/inductor
First Claim
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1. A power transformer/inductor comprising:
- a winding composed of a high-voltage cable having an electric conductor, and layers around the conductor, said layers including a first semiconducting layer, around the first semiconducting layer there is arranged an insulating layer and around the insulating layer there is arranged a second semiconducting layer, wherein the second semiconducting layer being directly earthed at both ends of the winding, but not directly earthed at an intermediate turn where the electric conductor is covered, and that at least one point between both the ends is indirectly earthed.
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Abstract
A power transformer/inductor includes at least one winding. The winding is made of a high voltage cable that includes an electric conductor, and around the electric conductor is arranged a first semiconducting layer, around the first semiconducting layer is an insulating layer, and around the insulating layer is a second semiconducting layer. The second semiconducting layer is directly earthed at both ends of the winding and furthermore at least at two points per turn of every winding such that one or more points are indirectly earthed.
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Citations
9 Claims
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1. A power transformer/inductor comprising:
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a winding composed of a high-voltage cable having an electric conductor, and layers around the conductor, said layers including a first semiconducting layer, around the first semiconducting layer there is arranged an insulating layer and around the insulating layer there is arranged a second semiconducting layer, wherein the second semiconducting layer being directly earthed at both ends of the winding, but not directly earthed at an intermediate turn where the electric conductor is covered, and that at least one point between both the ends is indirectly earthed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification