Abstract
Transient stability analysis has become an important subject, as the world’s demand for electricity is increasing with an enormous speed, and power systems are facing different challenges, new power plants are being installed to fulfill the demand and supply mismatch, in addition to that degradation of equipment, sudden load changes and switching operations are also some of the problems in large networks. For large power systems it is a highly non-linear problem and also used to analyze whether the system remain in synchronism or not following a disturbance. To analyze the effect of these disturbances and consequences of the outages transient stability analysis is usually performed. In this paper this analysis is performed for an HPR-1000 nuclear power plant connected to the 500kV network of NTDC Grid. Different external 3-phase fault scenarios are considered on the 500kV network and simulated using ETAP (Electric Transient Analyzer Program) software. To analyze the system behavior during and after the fault has occurred, certain parameters are monitored. It was observed that the HPR-1000 power plant-maintained synchronism and remained stable in all the fault scenarios.
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