FIELD: physics.
SUBSTANCE: invention relates to control over time of device switching comprising magnetic circuit and at least one conducting winding. Method of control over time of device switching including magnetic circuit (1) and at least one conducting winding (2), characterised by that it contains steps of obtaining at least one measurement result of magnetic field, formed by residual flow in said magnetic circuit (1), with help of at least one magnetic field sensor (10a, 10b, 10c), installed in close proximity to magnetic circuit (1); obtained magnetic field measurement results are processed in order to output of residual flow in magnetic circuit (1) from them, at residual flow determining optimal time of switching for power supply to device; wherein all said steps are performed after disconnection of device.
EFFECT: more reliable prevention of excessive current at any device switching including magnetic circuit and conducting winding.
11 cl, 5 dwg
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