Electronic Transformer Measuring Device Surface Mounting
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Solution Overview
Problem
Conventional integral power measurement systems face challenges in installation within transformer housings due to varying internal configurations that do not adhere to ANSI standards, making it difficult to accommodate measurement apparatus in different locations.
Innovation Solution
A remote power measurement assembly featuring a current sensor and electronic measuring device with a magnetically mountable housing, allowing for flexible placement and operation independent of the current sensor's location, utilizing a Rogowski-based current sensor and a surface mounting assembly with magnets for secure attachment to the transformer housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional integral power measurement system is installed within the transformer housing, then power measurement functionality is achieved, but installation becomes difficult due to varying internal configurations that do not adhere to ANSI standards
Solution Approach 1:
The power measurement system is divided into separate functional modules: current sensors mounted on terminal assemblies, voltage sensors, and an electronic measuring device. This segmentation allows each component to be installed independently at different locations within the transformer housing, accommodating varying internal configurations without requiring a standardized integral installation approach.
Solution Approach 2:
Wire connections serve as intermediaries between the distributed sensors and the electronic measuring device. This allows the measurement components to be physically separated while maintaining electrical connectivity, enabling flexible placement of each component according to the specific internal configuration of the transformer housing.
2Stability of the object's composition
If the electronic measuring device is fixed in position relative to the current sensor, then integral connection provides structural stability, but flexibility in placement is reduced due to varying internal configurations
Solution Approach 1:
The system separates the electronic measuring device from the current sensor mounting, allowing the measuring device to be positioned independently. The current sensors remain mounted on the terminal assemblies while the electronic measuring device can be placed at any convenient location within the transformer housing, adapting to various internal configurations.
Solution Approach 2:
The system allows variation in the spatial parameters (position and orientation) of the electronic measuring device relative to the current sensors. By changing these positional parameters, the system adapts to different transformer housing configurations while maintaining functional integrity through wire connections.
3Adaptability or versatility
If measurement components are distributed at different locations, then adaptability to varying configurations is improved, but system complexity increases
Solution Approach 1:
The electronic measuring device serves as a universal component that can receive signals from sensors positioned at various locations within the transformer housing. The device's multi-functional capability to process inputs from different spatial positions simplifies the overall system architecture compared to requiring location-specific integration for each configuration.
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 reliable and flexible power measurement by allowing the electronic measuring device to be positioned at various locations within the transformer housing, overcoming the variability in internal configurations and ensuring accurate power output calculation without requiring integral connection.
Implementation Method 1
a surface mounting assembly with magnets for secure attachment to the transformer housing
Data Source
AI summary
A method and apparatus for mounting an electronic measuring device inside the housing a pad mount low voltage distribution power transformer are provided. The space inside a transformer enclosure cover contains the power input and output connections and cables. The electronic measuring device includes a surface mounting assembly that is configured to mount the measuring device at multiple locations of the housing.