METHOD FOR DETERMINING SATURATION OF THE MAGNETIC WIRE OF CURRENT TRANSFORMER Russian patent published in 2018 - IPC G01R33/12 

FIELD: measuring equipment.

SUBSTANCE: invention relates to measuring equipment, in particular to the diagnosis of measuring current transformers in real time. On the conductor with the measured current install the diagnosed transformer and the Rogowski belt. Synchronously perform the conversion of the output signal of the current transformer into a digital code and the conversion of the output signal of the Rogowski belt into a digital code. Amplitude spectrum of the signal of the current transformer being diagnosed is calculated, the amplitude spectrum of the signal of the Rogowski belt is calculated. Correct the amplitude spectrum of the signal of the current transformer being diagnosed and the amplitude spectrum of the signal of the Rogowski belt. Comparison of the obtained amplitude spectra is performed.

EFFECT: creating a high-precision method for determining the saturation of the current transformer magnetic core and providing the possibility of determining the saturation of the magnetic core of any current transformer in real time.

1 cl, 1 dwg