Direct current sensor
A DC current and sensor technology, applied in the direction of measuring current/voltage, instruments, measuring electrical variables, etc., can solve the problems of limiting the application and promotion of magnetic modulators, complex structure, low coercive force, etc., and improve the open-loop output characteristics , Good interchangeability, small size effect
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[0027] Depend on figure 1 , figure 2 Shown, W M To detect the coil, the current flowing through the coil is I M , W 2 is the feedback winding, the current flowing in this winding is I 2 , W S To excite the winding, the current flowing in this winding is I S , 1 is the monitor, 2 is the computer, 3 is the ring core, 4 is the detection coil W M processing circuit, 5 is the feedback winding W 2 processing circuit, 6 is the excitation winding W S Processing circuit, 7 is the shielding layer of the sensor, 8 is the outer protective ring of the sensor, I 1 is the measured DC, * indicates the detection coil W M , excitation winding W S and the feedback winding W 2 end of the same name.
[0028] Wind the excitation winding W on the ring core 3 S , Feedback winding W 2 and detection coil W M , at the detection coil W M The two ends of the processing circuit 4, in the feedback winding W 2 The two ends of the processing circuit 5, in the excitation winding W SThe two-e...
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