Abstract:
PROBLEM TO BE SOLVED: To provide an electrical conductor for a high-current bushing, which has a compact design and is reduced in electrical loss. SOLUTION: The electrical conductor includes a conductor piece 30, and the conductor piece extends along an axis A and has a cylindrical envelope surface and two electrical connections 10 and 20. One 10 of the two electrical connections has two contact surfaces 11 and 11' which are aligned parallel to one another. This is achieved, in part, because the other 20 of the two electrical connections is connected without a joint to the conductor piece 30, and the electrical connection 10 is hollow and, at right angles to the axis A, has an oval profile with two longitudinal faces which form the two contact surfaces. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
The method is provided for manufacturing a perforated sheet-like high-voltage insulating spacer (2) for a high-voltage component, which component comprises a field grading condenser core with the spacer which is wound in spiral form around an axis (A), with electrically conducting layers (3) which are inserted between successive windings of the spacer, and with a polymeric matrix which penetrates the spacer (2) and which embeds the spacer and the layers(3). The method comprises at least steps as follows: an electrically insulating tape (2) is moved in a running direction (R), a pattern (P) of parallel extended cutting lines (21, 22) is inserted into the tape, and the patterned tape is expanded at right angle to the cutting lines (21, 22) in order to form a spacer with a perforated three-dimensional lattice structure (LS). The combined effect of cutting a tape and expanding the cutted tape allows the formation of spacers with a manifold of sizes which exceed the size of the tape in function of manufacturing parameters, in particular in function of the configuration of the pattern and of the magnitude of the expansion.
Abstract:
The feedthrough (D) has a field controller with a current conductor (10) formed as a capacitor winding (40) and controlling electric fields that act during application of high voltage. An insulator (20) is attached at the current conductor. The winding has electrically insulated capacitor films held at a distance from each other in a radial direction by an insulator film (42). The capacitor films are integrated in the insulator by embedding the winding in a hardened polymer body (23) and guided into a tapered section (21) of the insulator through a mounting flange (30). An independent claim is also included for a high-voltage system comprising a plug-in part.