Busbar Adapter With Integrated Rogowski Coil Current Measurement
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Solution Overview
Problem
Existing busbar adapters for multi-phase systems lack user-friendliness and integrated current measurement capabilities, requiring separate current measuring devices on individual electrical devices and complicating system monitoring.
Innovation Solution
A busbar adapter with a housing featuring an upper and lower cover, including three contact devices for each phase, integrated Rogowski coils for current measurement, and an electronic evaluation unit, allowing central current measurement and flexible device connection without additional current measuring devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate current measuring devices are installed on individual electrical devices, then current measurement capability is achieved, but device complexity and installation complexity increase
Solution Approach 1:
The patent combines multiple current measuring devices into a single integrated unit housed within the busbar adapter. The housing contains all necessary measuring components, allowing current measurement for multiple phases without requiring separate devices on each electrical device, thereby reducing overall system complexity while maintaining measurement precision
Solution Approach 2:
The busbar adapter is designed as a universal device that provides both electrical connection functionality and current measurement capability in one unit. This multi-functional approach eliminates the need for separate current measuring devices, simplifying the system while achieving comprehensive current monitoring across all phases
2Ease of operation
If current measuring devices are integrated into the busbar adapter, then system monitoring is simplified, but housing space requirements increase
Solution Approach 1:
The current measuring devices are nested within the existing housing structure of the busbar adapter. The measuring devices are arranged in a space-efficient manner inside the housing, utilizing available internal space without requiring a significant increase in the overall external dimensions of the adapter
Solution Approach 2:
The patent arranges the current measuring devices in a vertical orientation within the housing, utilizing the vertical dimension rather than only horizontal space. This dimensional reorganization allows efficient packing of measuring components within the housing volume without substantially increasing the adapter's footprint
3Measurement precision
If Rogowski coils are arranged vertically in the housing, then current measurement accuracy is improved, but manufacturing complexity increases
Solution Approach 1:
The Rogowski coils are pre-assembled in their final vertical orientation during the manufacturing process, rather than being installed in a different orientation and then repositioned. This preliminary arrangement simplifies the manufacturing workflow by eliminating complex repositioning steps while ensuring the coils are correctly oriented for optimal current measurement accuracy
Solution Approach 2:
The housing is designed with specific local features such as recesses, mounting structures, or guiding elements in the areas where Rogowski coils are installed. These localized structural adaptations facilitate the vertical arrangement of the coils during manufacturing, reducing overall manufacturing complexity despite the specialized orientation requirement
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
Enables centralized current measurement, improved user-friendliness, and cost-effective production by integrating current measuring devices within the adapter, reducing the need for separate measuring devices and enhancing system monitoring capabilities.
Implementation Method 1
the current measuring device consists of a Rogowski coil
Data Source
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AI summary
The present invention relates to a busbar adapter for connection to a polyphase busbar system, wherein the busbar adapter comprises a top covering element and a bottom covering element and also contact apparatuses and contact lines. The busbar adapter further comprises a current measuring apparatus which is designed such that current measurement for each phase of the busbar adapter can be performed in the busbar adapter.