BUTENKO'S METHOD FOR MEASUREMENT OF ANGLE OF PHASE SHIFT BETWEEN VOLTAGE VECTORS

摘要

The invention relates to electrical-measuring technique and can be used for measurement of the shift angle between voltage vectors. A method for measurement of the angle of phase shift between voltage vectors with use of measuring device includes measurement of the value of voltage for each of two similar by amplitude and phase voltage vectors and measurement of the value of voltage for the vector of difference of those two voltage vectors. Additionally one measures the value of the angle between each of two voltage vectors and the difference vector, and the value of the phase shift angle between two similar by amplitude and phase voltage vectors one determines by given formulae. Technical result is in provision of measurement of the angle of phase shift between two similar by amplitude and phase voltage vectors at exclusion of effect of the value of the phase shift angle between the voltage vectors by value of the limit of permitted absolute and relative measurement errors.