Movable HV Choke in Rectangular Test Container
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Solution Overview
Problem
The existing test arrangements for AC voltage testing of high-voltage components, such as power transformers, are cumbersome and time-consuming to assemble on-site due to the large size and weight of components like high-voltage chokes and voltage dividers, which complicates transportation and positioning for safe insulation distances.
Innovation Solution
A test arrangement where high-voltage components like chokes and voltage converters can be moved within a compact container using telescopic rails and guide devices, allowing for easy reconfiguration from a transport position to a working position, thereby reducing space requirements and simplifying assembly by increasing insulation distances during operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If high-voltage components are transported in separate assemblies to the test site, then the test arrangement can be transported, but the assembly time on site becomes very long
Solution Approach 1:
The patent combines multiple high-voltage test components (choke, voltage divider, test transformer) into a single integrated container unit. This merging allows all components to be transported together as one assembly rather than separately, and enables quick deployment by simply positioning the entire container at the test site, thereby reducing assembly time while maintaining transportability.
Solution Approach 2:
The high-voltage components are pre-positioned and pre-configured within the container at their respective transport positions before transportation. The container itself is prepared as a complete test arrangement unit with all necessary connections and positioning mechanisms already in place, eliminating the need for time-consuming on-site assembly and configuration.
2Volume of moving object
If high-voltage components are placed close together in the container, then space is saved, but insulation distances are insufficient for safe operation
Solution Approach 1:
The patent employs movable mounting mechanisms that allow high-voltage components to be dynamically repositioned within the container. During transport, components are positioned close together to optimize space utilization. During operation, components can be moved to increased distances from each other to ensure adequate insulation distances for safety, thus dynamically adapting the arrangement to different operational requirements.
Solution Approach 2:
The container is divided into multiple segmented zones or compartments with independent positioning mechanisms for each high-voltage component. This segmentation allows each component to be independently positioned and adjusted, enabling optimal space utilization during transport while maintaining the capability to increase insulation distances during operation by moving components to appropriate positions within their respective zones.
Data Source
Figure 1~2
Figure 3
AI summary
The invention relates to a test arrangement (10, 50) for AC voltage testing of high voltage components (104) with at least one inverter (84), at least one test transformer (14, 96), at least one high voltage choke (16, 36, 98) and at least one further high voltage component (18a, 18b, 18c, 22a, 22b, 22c, 86, 88, 90, 92) as test component. At least said test components are housed in a common rectangular container (12), the at least one high voltage choke (16, 36, 98) being movable by a movement device (44) through at least one opening in the enclosing surface of the container (12) at least partly out of the same. The at least one further high voltage component (18a,18b, 18c, 22a, 22b, 22c, 86, 88, 90, 92) is movable within the rectangular container (12) from a transport position (18a, 18b, 18c, 22b) into a working position (32a, 32b, 32c, 64).