Current transformer capable of broadband wide-width measurement and magnetic interference resistance
A current transformer and magnetic interference technology, applied in the field of transformers, can solve the problems of complex secondary coil winding process, large size, large temperature error of winding copper wire, etc., and achieve strong resistance to external magnetic field interference, strong resistance to Effect of external electromagnetic interference and small measurement error
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[0024] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in detail:
[0025] Specific examples, such as Figure 1 to Figure 8 As shown, a current transformer with broadband, wide-width measurement and anti-magnetic interference capability includes a casing 1, a magnetic core 2 arranged in the casing 1, a secondary coil 3 wound on the magnetic core 2, and one end located at The outside of the housing 1 and the other end passes through the inner ring side of the magnetic core 2 and extends to the primary current connection piece 4 outside the housing 1. The current transformer also includes a signal conditioning circuit arranged in the housing 1. The signal conditioning circuit includes sequential connections. The induction circuit, the differential amplifier circuit 14, the power amplifier circuit 15, the Hall chip 6 of the induction circuit is fixed in the air gap 5 opened on the magnetic core 2, and the output terminal o...
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