Ee5320 Unit 5 Lab Report

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Recommended: Perspectives of motivation

Introduction
The motivation behind this project was to gain exposure with the Opal-RT real-time simulator. The Opal-RT in combination with Simulink/Simpower Systems provides a platform to perform power system studies with Hardware-In-Loop. Replication of the design of any physical system may be executed in real-time to evaluate its performance and gain understanding of the contingencies that may be anticipated. In terms of power system protection, the timely operation of the protective devices is crucial, thus, we employ the Opal-RT-Simulink combination to evaluate a numerical relay performance in lab. This provides a practical exposure of the protection philosophies studied in EE534 with the scope to study a power system of any configuration and any protection scheme. Thus, a lab experiment may be …show more content…

Following event files were obtained from the relay with the time stamp in the filename indicating the event trigger time. Example: For a fault current of 239 A (2 times the pickup), one may note in Fig.22 that the pickup time is 19.49.38.722 and in Fig.23 the trip event time is 19.49.44.865. Hence, time of operation is 6.143s (trip event time – pickup time).

Future Scope A combination of protective relays may be deployed in the existing system to demonstrate back-up protection. Different types of protective principles such as differential and distance protection may be tested. A much bigger power system with several buses may be implemented. The RT_Lab ARTEMiS application may be explored for this purpose to achieve faster

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