Inter-turn Fault Detection of Induction Machines Using the Voltage Across the Star-points of the Machine and the Source

Abstract:

This paper proposes an online improved methodology to detect the inter-turn faults in the star-connected induction machines. The proposed methodology is based on the magnitude of fundamental component in the voltage across the star-points of the machine and the source. Theoretical analysis using the proposed analytical model reveal the influence of the total number of turns/phase-winding on the low-severity inter-turn fault detection using the voltage across the star-points of the machine and the source. The theoretical analysis has been validated experimentally for a 2hp and 0.5hp IMs with 132 and 46 turns per phase respectively. An improved fault indicator to detect the inter-turn faults in different induction machines with various total number of turns per phase has been proposed and evaluated under various loading conditions.

Año de publicación:

2019

Keywords:

Fuente:

scopus