why we use slope in differential relay | in | tamil

Описание к видео why we use slope in differential relay | in | tamil

why we use slope in differential relay
To avoid may unwanted trip and maloperation
in this video i have mention few very important reason for choosing slop they are.
1.Mismatch in CT ration.
2.LTC- Tap change.
3.CT tolerance.
4.CT staturation.
5.Harmonic Content.

on Next Video i am going to explain how to draw Slop.

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