Standardized Switchgear Modules for Scalable Drive Systems
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Solution Overview
Problem
Current switching arrangements in gas-insulated and vacuum-insulated switchgear are complex and costly due to the need for custom adaptations for different electrical contacts and safety specifications, leading to high maintenance complexity and costs, as they require individual optimization and a large number of variants.
Innovation Solution
A compact, scalable switching arrangement using standard modules with a bistable electromechanical drive module that can be adapted for various applications, reducing the number of components and enabling easy configuration for multiple applications, with a single drive module actuating multiple contact modules and interchangeable connection components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If custom adaptations are made for different electrical contacts and safety specifications, then reliability and safety are improved, but device complexity and manufacturing costs increase
Solution Approach 1:
The patent implements a universal switching arrangement with a common drive unit that can actuate multiple contact modules (breaking, isolating, earthing) through a standardized mechanical connection system. The common drive unit serves multiple functions by mechanically connecting to different contact modules via connecting rods, eliminating the need for separate drive mechanisms for each contact type while maintaining safety and reliability requirements.
Solution Approach 2:
The switching arrangement is segmented into modular components: a common drive unit, multiple identical contact modules, and connecting rods. This segmentation allows the system to maintain complexity in the standardized drive mechanism while allowing flexible configuration of contact modules to meet different safety and electrical contact requirements without redesigning the entire system.
2Productivity
If individual optimization is performed for each actuation mechanism, then operational performance is improved, but manufacturing costs and maintenance complexity increase
Solution Approach 1:
The common drive unit is designed as a universal actuation mechanism that can optimize the operation of multiple contact modules simultaneously. By using a single standardized drive unit with connecting rods to actuate different contact modules (breaking, isolating, earthing), the system achieves operational performance through centralized optimization while reducing manufacturing costs by eliminating the need to individually optimize and manufacture separate drive mechanisms for each contact type.
3Adaptability or versatility
If a large number of variants and different components are used, then adaptability to different applications is improved, but maintenance complexity and costs increase
Solution Approach 1:
The patent achieves adaptability through a universal common drive unit and standardized connecting rods that can work with different configurations of contact modules. This universality allows the same drive mechanism and connecting components to be used across various applications (different combinations of breaking, isolating, and earthing switches) while maintaining simple maintenance, as spare parts and repair procedures are standardized rather than requiring different components for each application variant.
4Reliability
If custom-designed housings and constructions are created, then specific safety requirements are met, but the number of components and supply chain complexity increase
Solution Approach 1:
The switching arrangement uses a universal common drive unit housed in a standardized construction that can accommodate different configurations of contact modules. This universal housing and construction design meets specific safety requirements through standardized mechanical connections and drive mechanisms while reducing the number of components by eliminating the need for custom-designed housings for each specific safety configuration. The same housing and drive unit can serve multiple safety configurations through modular contact module arrangements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution provides a high performance-to-cost ratio, simplifies maintenance, and ensures high safety standards by using fewer components and standard modules, allowing for efficient operation over a wide temperature range and reliable operation with reduced construction and maintenance costs.
Implementation Method 1
a bistable electromechanical drive module (6), which is connected to the individual contact modules (2) via connection components (7)
Data Source
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AI summary
The invention relates to a switching arrangement for use in gas-insulated or vacuum-insulated switchgear assemblies, comprising a drive module (6) that closes or opens electrical contacts and a base carrier module (1, 1') on which individual contact modules (2) are arranged. In view of the aim to provide a compact electromechanical switching arrangement that can be scaled and configured unproblematically using as few components as possible such that said switching arrangement is suitable for a plurality of applications, the invention is characterized in that the individual contact modules (2) are identical in construction.