Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Partial Discharge and Internet of Things: A Switchgear Cell Maintenance Application using Microclimate Sensors

Version 1 : Received: 30 October 2021 / Approved: 2 November 2021 / Online: 2 November 2021 (10:33:39 CET)

A peer-reviewed article of this Preprint also exists.

Fechet, R.; Petrariu, A.I.; Graur, A. Partial Discharge and Internet of Things: A Switchgear Cell Maintenance Application Using Microclimate Sensors. Sensors 2021, 21, 8372. Fechet, R.; Petrariu, A.I.; Graur, A. Partial Discharge and Internet of Things: A Switchgear Cell Maintenance Application Using Microclimate Sensors. Sensors 2021, 21, 8372.

Journal reference: Sensors 2021, 21, 8372
DOI: 10.3390/s21248372

Abstract

This paper proposes a solution for the development of microclimate monitoring for Low Voltage / High Voltage switchgear using the PRTG Internet of Things (IoT) platform. This IoT-based real time monitoring system can enable predictive maintenance to reduce the risk of electrical station malfunctions due to unfavorable environmental conditions. The combination of humidity and dust can lead to unplanned electrical discharges along the isolators inside a low or medium voltage electric table. If no predictive measures are taken, the situation may deteriorate and lead to significant damage inside and outside the switchgear cell. Thus, the mentioned situation can lead to unprogrammed maintenance interventions that can conduct to the change of the entire affected switchgear cell. Using a low-cost and efficient system, the climate conditions inside and outside the switchgear is monitored and transmitted remotely to a monitoring center. From the results obtained using a 365-day time interval, we can conclude that the proposed system is integrated successfully in the switchgear maintaining process, having as result the reducing of maintenance costs.

Keywords

electrical grid; switchgear; preventive maintenance; IoT; partial discharge

Subject

ENGINEERING, Electrical & Electronic Engineering

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