Transformer Core Non-Linear Leakage Path Leg
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The integration of additional leakage path legs in transformer cores increases installation space and complicates the connection of primary and secondary windings, as they typically follow a linear structure, obstructing access to connector points.
Innovation Solution
The transformer core geometry is optimized by arranging additional leakage path legs non-linearly relative to the transformer legs, allowing for efficient installation and accessible winding connections without obstruction, using yokes for connection and potentially incorporating air gaps and ferromagnetic powder grains to enhance inductance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional leakage path legs are integrated into the transformer core, then the longitudinal inductance is increased, but the installation space increases and the connection of windings becomes more difficult
Solution Approach 1:
The leakage path leg is positioned outside the first plane defined by the longitudinal axes of the first and second transformer legs. This three-dimensional arrangement allows the leakage path leg to provide additional inductance while not obstructing the connection access to the transformer legs, thereby resolving the contradiction between increased inductance and maintained connection accessibility
2Reliability
If additional leakage path legs are arranged in a linear structure with transformer legs, then the inductance is increased, but the connection points become obstructed and installation space is increased
Solution Approach 1:
By arranging the leakage path leg outside the plane formed by the transformer legs, the design utilizes the third dimension to provide the necessary inductance path without increasing the footprint area. This spatial arrangement maintains a compact installation space while achieving the desired electrical characteristics
Solution Approach 2:
The asymmetric positioning of the leakage path leg relative to the transformer legs creates an optimized geometric configuration that provides sufficient leakage inductance while maintaining clear access to connection points and minimizing the overall installation space 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
This configuration reduces installation space and electric resistance, ensuring efficient integration and accessible connections for transformer windings, thereby optimizing space usage and connectivity.
Implementation Method 1
In order to limit an increase in size of the transformer as a result of the integration of the leakage inductance, additional flux leakage can be conducted in a material with a high magnetic permeability in the transformer
Implementation Method 2
the air gap can be divided into a plurality of part air gaps by way of the insertion of small ferrite plates into the air gap, with the result that the spatial extent of the magnetic leakage field is reduced
Data Source
AI summary
The invention relates to a transformer core with at least one additional leg. Said additional leg is used to form a leakage path. In order to optimize the installation space and for easier connection of the transformer windings, the transformer legs and the additional leakage path legs are not arranged along a common line.