15, July 2025

Fault detection using combined Variational mode decomposition and Teager energy operator-based approach

VOLUME-11; ISSUE-7; JULY-2025

Author(s): Talluri Ramesh, 2 M. Chakravarthy, 3 Gaddam Mallesham

Authors Affiliations:

1Research Scholar, University College of Engineering, Osmania University, Hyderabad, India

2Professor, Vasavi College of Engineering, Hyderabad, India

3Professor, University College of Engineering, Osmania University, Hyderabad, India

DOIs:10.2015/IJIRMF/202507014     |     Paper ID: IJIRMF202507014


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Identification of faults in distribution system connected with distribution generation (DG) is challenging due to the low magnitude variations. To design a fault detection logic (FDL), the suitable features need to be extracted from the current signals of the relay location. This paper used variational mode decomposition (VMD) to extract the features associated with faults and other events after processing the instantaneous current data through VMD. The 2nd mode of VMD is opted as useful feature to detect the faults in DG connected distribution lines with Teager energy operator (TEO). The value of TEO is continuously monitored and compared with pre-set threshold to detect various faults in the system and to generate the trip command to the circuit breaker. Different types of faults are simulated on the test system and the performance of the FDL are validated under those conditions.

faults, distribution generation, VMD, features.

Talluri Ramesh,  M. Chakravarthy, Gaddam Mallesham, (2025);  Fault detection using combined Variational mode decomposition and Teager energy operator-based approach,  International Journal for Innovative Research in Multidisciplinary Field, ISSN(O): 2455-0620, Vol-11, Issue-7, Pp. 81-89.         Available on –   https://www.ijirmf.com/

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