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Gas-isolated high voltage measuring unit

A high-voltage measurement, gas insulation technology, applied in electrical components, electrical component structure associations, transformers, etc., can solve the problem of not meeting the high requirements for partial discharge resistance inside solid insulation

Inactive Publication Date: 2011-08-24
ABB TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problem with this embodiment is that it does not normally meet the high requirements required for resistance to partial discharges inside solid insulation

Method used

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Examples

Experimental program
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Embodiment Construction

[0066] figure 1 A first exemplary embodiment of two three-phase enveloped HV-GIS modules in a decoupled longitudinal section shows a gas-insulated high-voltage measuring unit 1, which can be connected to an adjacent module 2 (hereinafter also referred to as the second Two modules) connection. The high-voltage measuring unit is designed as a voltage transformer, while the adjacent module 2 (which is only indicated by its connection area) is, for example, a connection module in a gas-insulated switchboard. The two modules each have a housing 3, 4. The housing 4 comprises three nominal conductor connections (phase conductors) 5, 6, 7, also called primary phase connections, which extend in the Z direction. Housing 3 likewise includes three corresponding rated conductor connections (phase conductors / primary phase connections) 8 , 9 , 10 , which are connected to corresponding measuring units 11 designed as measuring transformers. The phase conductors 5 , 6 , 7 of the first module...

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Abstract

The invention provides a gas-isolated high voltage measuring unit (1, 1a) measuring high voltage, the gas-isolated high voltage measuring unit is provided with a housing (3) of a pressure container and at least a primary-phase connector (5-7). The at least a primary-phase connector (5-7) is connected with at least a measuring unit (11) to measure a primary voltage of the at least a primary-phase connector (5-7). A gas chamber (15) of the housing (3) is filled with isolated gases during operation of the high voltage measuring unit (1, 1a), at least a primary-phase connector (5-7) is in an electrical insulation arrangement in the gas chamber (15), wherein at least a primary-phase connector (5-7) is electrically connected with an adjacent module (2) in a connection region. The gas chamber (15) is defined in the connection region through an isolating body. Primary-phase connectors (5-7) include parts (13, 14) of a detachable plug-in connector (12) that is arranged in a separated connection opening (17) of the housing (3). The plug-in connector (12) is designed as a component of a plug contact connector for electrically connecting the primary-phase connectors to corresponding primary-phase connectors of adjacent gas-isolated modules (8-10), and gas tightly closes the gas chamber (15) from an outer side.

Description

technical field [0001] The invention relates to a component (Baustein) of a gas-insulated high-voltage switchgear (Hochspannungs-Schaltanlage), also referred to as GIS, in the form of a gas-insulated high-voltage unit, in particular a voltage transformer (Spannungswandler). High voltage transformers are used to detect the voltage on the primary conductor of the GIS switchgear. Background technique [0002] In a typical GIS switchgear, the phases at different potentials are ascertained jointly for all phases or separately for each phase with gas-insulated high-voltage sensors, also referred to below as voltage transformers. conductor voltage. According to some versions of the GIS switchgear, the phase conductors in the region of the high-voltage transformer have conductor stubs extending transversely to the conductor axis, which open into the connection region for the connection flange of the GIS switchgear housing of the corresponding enclosure. In such a GIS switching dev...

Claims

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Application Information

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IPC IPC(8): H02B13/00
CPCH01F27/04H01F38/26H01F27/40H01R13/53H02B13/0356
Inventor F·布兰德D·萨西尔
Owner ABB TECH AG