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Permanent or variable alternating magnetic field circulation sensor, and current sensor implementing such a sensor
Permanent or variable alternating magnetic field circulation sensor, and current sensor implementing such a sensor
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机译:永久或可变交变磁场循环传感器以及实现这种传感器的电流传感器
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摘要
A permanent or variable magnetic field circulation sensor including apparatus for magnetic excitation further including at least one elongated excitation coil extending around an elongated supple magnetic core and including a supple magnetic material with low relative magnetic permeability having a supple or flexible matrix in which magnetic particles are dispersed, an excitation current generation unit coupled to the excitation coil to generate an excitation magnetic field in the core over substantially the entire length of the coil, apparatus for measurement including: at least one magnetic measuring transducer magnetically coupled to the apparatus for magnetic excitation, a measuring unit connected to the magnetic measuring transducer and suitable for providing a measurement of magnetic field circulation in the core.
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