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The performance of line current differential protection algorithms during current transformer (CT) saturation is analysed. The study covers popularly used algorithms and presents their degree of immunity to CT saturation. The degree of error in phasor measurement due to CT saturation is estimated through simulation studies and this information is used to decide the CT dimensioning for the relay
Automation of control and management of a power system substation is becoming more and more popular. Overcoming the initial hiccups in its acceptance due to higher costs and apprehensions on reliability, more utilities and industries are keen in exploring this option now. In the scenario of high pressure to improve the efficiency and productivity of the power system substation, substation automation...
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