Abstract
The objective of this paper is to evaluate the impact on the operation of conventional three-stepped distance relaying schemes for protecting the series compensation transmission line and to analysis the effects series compensation on different carrier aided transfer trip scheme under different fault condition. The presence of series compensation in transmission creates over-reaching issues in distance relay due to the net fault impedance of transmission line reduce. Analytical studies of such situation are simulated by using PSCAD and analyzed various responses of distance relays for different fault and system conditions. An enhanced distance protection scheme is implemented to eliminates issues on distance relay for series compensated line. It is also simulated the auto-recloser schemes to discriminating between the temporary and permanent fault.
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