Modular High-Voltage Test System With Mechanical-Electrical Coupling
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Solution Overview
Problem
Existing test systems for high-voltage devices are cumbersome and lack flexibility, operational safety, and functional variability, especially when used in outdoor or industrial environments.
Innovation Solution
A modular test system comprising a portable main device and a portable additional device that can be mechanically and electrically connected via a hybrid cable, allowing for flexible operation and enhanced safety through electrical isolation and synchronized signal transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If test systems are designed for high-voltage device testing, then measurement precision and reliability are improved, but device complexity and portability deteriorate
Solution Approach 1:
The test system is divided into a main device and separate additional devices that can be coupled together. The main device handles control and evaluation functions, while additional devices provide specialized measurement capabilities (isolation measurement, partial discharge measurement, etc.). This segmentation allows the system to achieve high measurement precision through specialized components while maintaining overall system manageability through modular architecture.
2Ease of operation
If test systems are made portable for field use, then ease of operation is improved, but functional scope and measurement precision deteriorate
Solution Approach 1:
The main device is designed with universal control and evaluation capabilities that can work with different types of additional devices. The standardized coupling mechanism allows the same main device to perform multiple testing functions (isolation measurement, partial discharge measurement, contact resistance measurement, etc.) by simply connecting different additional devices, thus achieving multi-functionality without compromising portability.
3Ease of operation
If test systems are made compact for transportation, then ease of operation is improved, but operational safety deteriorates
Solution Approach 1:
By separating the high-voltage measurement functions into distinct additional devices that couple to the main device, the system achieves compact individual components that are easy to transport. The standardized coupling mechanism ensures proper electrical connections and isolation when devices are connected, maintaining operational safety while preserving portability benefits.
4Measurement precision
If fixed test systems are used, then measurement precision is improved, but adaptability to different testing scenarios deteriorates
Solution Approach 1:
The test system transitions from a fixed configuration to a dynamic, reconfigurable architecture where additional devices can be coupled and decoupled from the main device based on testing requirements. This dynamic adaptability allows the system to maintain measurement precision for each specific function while being flexible enough to adapt to different testing scenarios and field conditions.
Data Source
AI summary
A test system (10) for testing an electric device (30), in particular a high-voltage device, has a portable main device (100) with a housing (140), an electric connection assembly (120, 121) and a mechanical connection assembly (145) and has a portable additional device (200, 300) with a separate housing (240, 340), an electric connection assembly (220, 320) and a mechanical connection assembly (245). The main device (100) can be mechanically connected to the additional device (200, 300) in a releasable manner by coupling the mechanical connection assemblies (145, 245) to form a structural unit, wherein the main device (100) can be electrically connected to the additional device (200, 300) via the first electric connection assemblies (120, 121, 220, 320).