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Rectangular Array Electric Current Transducer with Integrated Fluxgate Sensors.

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Summary
This summary is machine-generated.

This study introduces a novel rectangular yokeless current transducer using 16 microfluxgate sensors. It offers superior external current suppression and improved noise and temperature stability compared to existing technologies.

Keywords:
circular sensor arraycurrent sensorfinite element modellingmicrofluxgate sensors

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Area of Science:

  • Electrical Engineering
  • Sensor Technology
  • Instrumentation

Background:

  • Traditional current transducers often use yokes, leading to limitations in noise, temperature stability, and size.
  • Yokeless transducer designs exist but can struggle with external current suppression (crosstalk).

Purpose of the Study:

  • To present a novel rectangular yokeless current transducer with enhanced performance.
  • To evaluate its effectiveness in suppressing external currents and improving noise and temperature stability.

Main Methods:

  • Development of a rectangular yokeless transducer incorporating 16 microfluxgate sensors around a busbar conductor.
  • Design of a current monitoring system and sensor configuration.
  • Conducting long-term field tests to assess performance.

Main Results:

  • The novel transducer demonstrates significantly better suppression of external currents compared to differential-pair yokeless designs.
  • It exhibits 15-times lower noise and 7-times better temperature stability than industrial yoke-based transducers, with comparable crosstalk.
  • Crosstalk error was analyzed based on the number of active sensors and external current positioning.

Conclusions:

  • The proposed rectangular yokeless current transducer offers a significant advancement in current measurement technology.
  • It provides a compelling alternative to traditional and existing yokeless designs, particularly in applications requiring high accuracy and stability.