Проблеми застосування диференційних струмових захистів збірних шин розподільчих установок

Abstract

The analysis of the causes of recorded cases of technical violations that occurred at energy facilities OES Ukraine as a result of improper actions of busbar's protection based on the differential current principle. The basic disadvantages devices differential busbar's protection and analyzed the factors of power grid, leading to available to these disadvantages, and whose impact must be considered in the calculation and choice of configuration settings of protection. The possible measures to eliminate disadvantages of modern relays of busbar's protection were proposed.