FIELD: measurement technology. SUBSTANCE: instrument converter of high direct currents of package of buses has buses with measured current embraced by non-ferromagnetic frame. Measurement elements containing magnetic circuit 4 of two U-shaped cores, Hall pickup 5 located in gap of magnetic circuit 4, amplifier 6, compensation winding 7 are positioned over perimeter of frame in symmetry relative to axis of coordinates. Converter also includes adder 8. EFFECT: increased operational reliability and stability. 2 dwg
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