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Design and Implementation of Current Measurement System for Measuring Currents in Strands of Litz Wires
In this project, you will search the suitable current measurement methods and design the measurement system for strand current. You will validate your design with simulation tools like FEM. Finally you will implemented and test your design.
Keywords: Litz wire, current measurement, measurement system design
Using litz wire is one of the most efficient ways to reduce high frequency
winding losses. However, only perfectly twisted litz wire, in which each
strand conducts the same current and no eddy currents are circulating between
different strands, can effectively reduce the high frequency winding
losses. To achieve this goal, the proper twisting process is critical. Therefore,
mathematical models calculating the strand current affected by the
twisting parameters, are developed at HPE. To validate these models, the
current conducted by different strands needs to be measured.
In this project, you will begin with a literature review to investigate different
current measurement methods and select the suitable one. Moreover,
based on the selected current measurement method, a measurement system,
which can automatically measure the currents for at least 20 strands,
needs to be designed. FEM and circuit simulation are needed to validate
your design. Finally, the validated design will be implemented and
experimentally tested.
Using litz wire is one of the most efficient ways to reduce high frequency winding losses. However, only perfectly twisted litz wire, in which each strand conducts the same current and no eddy currents are circulating between different strands, can effectively reduce the high frequency winding losses. To achieve this goal, the proper twisting process is critical. Therefore, mathematical models calculating the strand current affected by the twisting parameters, are developed at HPE. To validate these models, the current conducted by different strands needs to be measured. In this project, you will begin with a literature review to investigate different current measurement methods and select the suitable one. Moreover, based on the selected current measurement method, a measurement system, which can automatically measure the currents for at least 20 strands, needs to be designed. FEM and circuit simulation are needed to validate your design. Finally, the validated design will be implemented and experimentally tested.