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This paper presents a novel sensor for alternating current. The new current sensor is comprised of a ferromagnetic invariant elastic alloy (FCEA) cantilever and piezoelectric ceramic Pb(Zr,Ti)O3 (PZT8) bonded on the cantilever's root. When placed near a single electric cable carrying alternating current, the cantilever bends in the non-uniform magnetic field of the electric cable as a result of the...
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