THE DETERMINATION OF THE INFLUENCING FACTOR OF THE TRANSFORMER OF THE LOW LEVEL IN THE TASK OF VOLTAGE REGULATION BY TRANSFORMER WITH UNDER LOAD CONTROL DEVICE

With the use of the mathematical apparatus of fuzzy set theory there had been developed the mathematical model, the use of which allows to determine the influence value of every transformer on the low level in the two level system for voltage regulation. Following the total influence of transformers of the low level, which characterizes the consumer voltage deviation beyond the permissible limits, the regulator switches the transformer connectors with the device for under voltage regulation of the regional substation which results in the improvement of the consumer voltage quality.