FIELD: electricity.
SUBSTANCE: invention is related to measurement equipment, in particular to method for measurement of AC voltage, mainly from 10kV to 1500 kV. Method makes it possible to accurately measure AC voltage with the help of divider with variation of measuring circuit parameters, using calibrated resistances in voltage divider only in low-voltage arm, besides high-voltage arm is arranged as capacitance and performs function of high-voltage insulation.
EFFECT: online measurement of high-tension AC voltage with application of resistive divider, which does not depend on resistance of high-voltage arm, surface conductivity, leakage currents, atmospheric effects and capacitance high-voltage arm.
7 dwg
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