Direct voltage high voltage insulator, high voltage installation for direct current with direct voltage high voltage insulator and use thereof
A high-voltage insulator and DC voltage technology, which is applied in the installation of cables, electrical components, busbars, etc., can solve the problems of incomparability
Active Publication Date: 2021-04-02
HITACHI ENERGY SWITZERLAND AG
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Problems solved by technology
However, there are electrotechnical requirements for high voltage insulators used in different situations, which are not comparable with respect to each other
Method used
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Embodiment Construction
[0090] figure 1 A schematic cross-sectional view of a direct voltage high-voltage insulator 100 according to a first embodiment is shown. The DC voltage high-voltage insulator 100 according to this embodiment can be applied to high-voltage facilities, and the high-voltage facilities are in figure 1 are partially depicted together and are further described below.
[0091] exist figure 1 , 2 , 3 and 5 are the r-z planes in the cylindrical coordinate system, where the z-axis of the system overlaps the insulator axis A of the DC voltage high voltage insulator 100 . The spacing r in the radial direction is measured starting from the insulator axis A in the section plane shown; in addition the polar angle is defined, the polar angle is at figure 1 is not shown in the illustration in and extends in the circumferential direction of the DC voltage high-voltage insulator 100 .
[0092] The base body 50 of the direct voltage high-voltage insulator 100 consists, for example, of an ...
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Abstract
The invention relates to a DC voltage high-voltage insulator (100) for insulating a conductor (200) applied with DC voltage, a high-voltage system for direct current with a DC voltage high-voltage insulator (100), and the use of a DC voltage high-voltage insulator (100) in a high-voltage system for direct current with an inner conductor (200) applied with DC voltage. The DC voltage high-voltage insulator (100) has a base body (50) made from insulating material and running about an insulator axis (A), at least one outer electrode (10a, 10b) running within the base body (50), preferably surrounding the insulator axis (A), and at least one inner electrode (20) running within the base body, preferably surrounding the insulator axis (A), wherein the outer electrode (10a, 10b) is arranged in the area of the outer periphery of the base body, wherein the inner electrode (20) is arranged in the area of the inner periphery of the base body, wherein in the axial cross section, the ratio of the average total width (wo) of the outer electrode (10a, 10b) to the average total width (wi) of the inner electrode (20) is at least 0.6, preferably at least 0.8, particularly preferably at least 1.0.
Description
technical field [0001] The invention relates to a direct voltage high voltage insulator for isolating conductors loaded with direct voltage; a high voltage installation for direct current with a direct voltage high voltage insulator; and a direct voltage high voltage insulator in a high voltage installation for direct current For applications where the high voltage installation has an inner conductor loaded with a DC voltage. Background technique [0002] Traditionally, the transmission of large amounts of electrical energy takes place predominantly by means of alternating current. For special applications, for example for the synchronization of grids, it is also common to exchange large amounts of electrical energy via direct current. [0003] In both types of applications, ie not only for the transmission of alternating current but also for the transmission of direct current, the lines or cables used for transmission or energy exchange must be galvanically isolated from t...
Claims
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IPC IPC(8): H02G5/06
CPCH02G5/066
Inventor U.斯特劳曼恩R.格雷茂德U.里伊彻特F.莫里托M.茨辰特施尔
Owner HITACHI ENERGY SWITZERLAND AG