Follow Us:

CNMIBO CNMIBO CNMIBO CNMIBO CNMIBO
icon

Tel:+86-18358780710

icon

E-mail:info@mibotransformer.com

language

English

English English 日本語 日本語 Filipino Filipino 한국어 한국어 ไทย ไทย Türkçe Türkçe Español Español Português Português Українська Українська Русский Русский Српски Српски Tiếng Việt Tiếng Việt Français Français العربية العربية Bahasa Melayu Bahasa Melayu
search Request a Quote
search
News

Fluxgate Current Sensors: Principle, Structure, Advantages and Applications

Posted by mb
Fluxgate current sensors are a type of current-measuring device that leverages the fluxgate effect to achieve precise measurement. Also known as fluxgate current transducers, they are available in both singular and plural designations (fluxgate current sensor/sensors) in technical contexts.

Working Principle

Fluxgate Effect

The fluxgate effect refers to a phenomenon in magnetic materials: when subjected to an external magnetic field, the magnetic flux within the material undergoes measurable changes. These changes can be quantified and correlated with the external factors causing them—such as electric current—in a predictable manner.

Current-Induced Magnetic Field Effect

Fluxgate current sensors operate by detecting the magnetic field generated when an electric current passes through a magnetic core (typically a toroidal magnetic element). As current flows through the sensor’s conductor, the induced magnetic field triggers a corresponding variation in magnetic flux within the core.

Sensor Structure

The core component of the sensor is a magnetic core, usually fabricated from soft magnetic materials. During current measurement, this core senses fluctuations in the magnetic field produced by the target current, which in turn induces changes in its internal magnetic flux.

Output Signal

The sensor captures these magnetic flux changes and converts them into a proportional voltage or current output signal. Critically, the magnitude of the output signal variation is linearly proportional to the current passing through the sensor.

Advantages

  • Exceptional accuracy, a wide measurement range, and excellent linearity characteristics.
  • Low susceptibility to external environmental interference, as the fluxgate effect is primarily responsive to electric current rather than ambient factors.
  • Superior performance in high-precision and large dynamic range applications, making it ideal for scenarios requiring rigorous current measurement standards.

Applications

  • Industrial automation, particularly current measurement and monitoring in power systems.
  • Current control in power electronic devices and frequency converters.
  • Electric vehicle charging equipment.
  • Overload protection, fault detection, and related fields.

Recent Posts

Indoor vs Outdoor Current Transformer Differences

12 August, 2026
Split Core CTs

Split Core vs Solid Core Current Transformer

10 August, 2026

Combined Instrument Transformer Working Principle

5 August, 2026
If you are interested in our products, feel free to contact us anytime!
×

Contact Us

*We respect your privacy. When you submit your contact information, we agree to only contact you in accordance with our Privacy Policy.

We value your privacy

We use cookies to enhance your browsing experience, serve personalised ads or content, and analyse our traffic. By clicking "Accept All", you consent to our use of cookies.