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Relay Coordination in Power Systems with Penetration of Distributed sources

Dr. Sangamesh Sakri, Prof. Akshay Aspalli, Prof. Priya Patil

Abstract


A comprehensive OCR coordination scheme has been developed in this research paper. An industrial power system based on renewable energies has been taken for case study which contains a 3 MW PV plant, a 2 MW DFIGbased wind turbine and various inductive motor loads at an 11 kV distribution bus. The fault current contributionof inverterbased resources (IBRs) and induction motors in both directions makes the conventional relay grading methods ineffective. A thorough ETAP simulation model is created, which includes the impedances of transformers, parameters of cables, ratios of CT, and modelling of IEC 60255-151 Std. Inverse (SI) characteristic of the relay. To simultaneously optimize time-multiplier settings (TMS) and the pickup currents (Ipu) of six directional overcurrent relays, two metaheuristic algorithms, namely Genetic Algorithm (GA) and Particle Swarm Optimization (PSO), are executed in MATLAB. The results show that both of the algorithms are able to achieve full coordination with CTI of 0. 3 s. PSO converges 18. 6% faster than GA. According to the conventional definite-time grading, the total primary relay operating time has been minimized by 34. 7%. Cross-validation is done using ieee 39-bus benchmark fault data. Overcurrent relay coordination of inverter-based resources in a DFIG wind turbine and an induction motor as per IEC 60255-151 using ETAP, GA and PSO.


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References


F. Blaabjerg, R. Teodorescu, M. Liserre, and A. V. Timbus, "Overview of control and grid synchronization for distributed power generation systems," IEEE Trans. Ind. Electron., vol. 53, no. 5, pp. 1398–1409, Oct. 2006.

L. G. Perez and A. J. Urdaneta, "Optimal coordination of directional overcurrent relays considering definite time backup relays," IEEE Trans. Power Del., vol. 14, no. 4, pp. 1276–1284, Oct. 1999.

P. P. Bedekar and S. R. Bhide, "Optimum coordination of overcurrent relay timing using continuous genetic algorithm," Expert Syst. Appl., vol. 38, no. 9, pp. 11,286–11,292, Sep. 2011.

ETAP User Guide, Revision 20.0, Operation Technology Inc., Irvine, CA, USA, 2022.

P. P. Bedekar and S. R. Bhide, "Optimum coordination of directional overcurrent relays using the hybrid GA-NLP approach," IEEE Trans. Power Del., vol. 26, no. 1, pp. 109–119, Jan. 2011.

M. M. Mansour, S. F. Mekhamer, and N. El-Sherif El-Kharbawe, "A modified particle swarm optimizer for the coordination of directional overcurrent relays," IEEE Trans. Power Del., vol. 22, no. 3, pp. 1400–1410, Jul. 2007.

A. S. Noghabi, J. Sadeh, and H. R. Mashhadi, "Considering different network topologies in optimal overcurrent relay coordination using a hybrid GA," IEEE Trans. Power Del., vol. 24, no. 4, pp. 1857–1863, Oct. 2009.

V. Pham, M. Alcazar-Ortega, and A. Gabaldón, "Teaching–learning-based optimization applied to overcurrent relay coordination," IEEE Access, vol. 9, pp. 102,541–102,553, 2021.

A. J. Urdaneta, R. Nadira, and L. G. Perez, "Optimal coordination of directional overcurrent relays in interconnected power systems," IEEE Trans. Power Del., vol. 3, no. 3, pp. 903–911, Jul. 1988.

D. Birla, R. P. Maheshwari, and H. O. Gupta, "A new nonlinear directional overcurrent relay coordination technique, and banes and boons of near-end faults based approach," IEEE Trans. Power Del., vol. 21, no. 3, pp. 1176–1182, Jul. 2006.


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