FIELD: electrical engineering.
SUBSTANCE: invention is related to the field of electric engineering, in particular to measuring devices of high voltage in supply circuits and control of industrial equipment. Essence of the proposed technical solution consists in the fact that the measuring circuit and the supply circuit of the high voltage measurement device are separated by a high-voltage high-frequency transformer and enclosed in a common insulating housing. Power circuit comprises an alternating voltage generator connected to the primary winding of the high-voltage high-frequency transformer, and a voltage stabilizer, wherein the measuring circuit comprises a voltage divider with leads for each phase which are placed in insulating tubes. Measurement circuit also includes a microcontroller with a built-in analogue-to-digital converter connected to the secondary winding of the high-voltage high-frequency transformer. Microcontroller is connected to the data processing device through an optical communication line.
EFFECT: reduced dimensions, simplified design, increased efficiency of isolation and cooling of high voltage measurement device structural elements.
6 cl, 4 dwg
