Device, system and method for monitoring electrical load by measuring magnetic field
A technology of electrical load and magnetic field, applied in the direction of the size/direction of the magnetic field, can solve the problem of the magnetic flux being not easily saturated, and achieve the effect of good electrical load, convenient installation, and complex installation.
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[0028] The composition and working process of the electric load monitoring device of the present invention will be described in detail below. Alternating current produces an alternating electric field, and the alternating electric field produces a magnetic field, and a magnetic field that changes with the current is bound to be produced around the power line. By measuring the magnetic field around the power line, it can achieve approximately the same effect as measuring the current; and by comparing the magnetic field values of the primary side and the secondary side of the transformer to monitor the load, it can achieve the same effect as the traditional method in this field by measuring the primary and secondary It has approximately the same technical effect of load monitoring of side current and apparent power.
[0029] The present invention judges the method for load imbalance by measuring the magnetic field as follows:
[0030] The apparent power correspondence between...
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