Rectangular Array Electric Current Transducer with Integrated Fluxgate Sensors
نویسندگان
چکیده
منابع مشابه
Current - Output Fluxgate
The current-output fluxgate may be tuned by using a serial capacitor. Such tuning increases the sensor sensitivity in the situation when the pick-up coil has a low number of turns. We achieved a signal/feedthrough ratio improvement by a factor of 5. The measured parameters fit the simplified theoretical model within 20% deviation
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Although fluxgates may have resolution of 50 pT and absolute precission of 1 nT, their accuracy is often degraded by crossfield response, non-linearities, hysteresis and perming effects. The trends are miniaturization, lower power consumption and production cost, non-linear tuning and digital processing. New core shapes and signal processing methods have been suggested.
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The current-output fluxgate may be tuned by using a serial capacitor. Such tuning increases the sensor sensitivity in the situation when the pick-up coil has low number of turns. We achieved a signal/feedthrough ratio improvement by a factor of 5. The measured parameters fit the simplified theoretical model within 20% deviation
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Microfluxgate sensor with flat coil and double-sided symmetrical core has significantly improved parameters over the original asymmetric single-sided core design. The magnetic circuit of the new sensor is more closed and so the core is deeper saturated. The sensor hysteresis was decreased from 30 μT to 2.5 μT (for full range). Noise level was decreased from 242 nT to 27 nT rms (0.1 mHz to 10 Hz...
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ژورنال
عنوان ژورنال: Sensors
سال: 2019
ISSN: 1424-8220
DOI: 10.3390/s19224964