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

Radu Fechet1, Adrian I Petrariu1,2, Adrian Graur1,2

  • 1Computers, Electronics and Automation Department, Stefan cel Mare University of Suceava, 720229 Suceava, Romania.

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|December 28, 2021
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Summary

This study introduces an Internet of Things (IoT) system for real-time microclimate monitoring in electrical switchgear. The system enables predictive maintenance, significantly reducing electrical station malfunctions and lowering maintenance costs.

Keywords:
IoTelectrical gridpartial dischargepreventive maintenanceswitchgear

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Area of Science:

  • Electrical Engineering
  • Environmental Monitoring
  • Internet of Things (IoT)

Background:

  • Unfavorable microclimate conditions (humidity, dust) in switchgear can cause electrical discharges and equipment failure.
  • Current maintenance practices may not adequately address environmental risks, leading to unplanned interventions and high costs.

Purpose of the Study:

  • To develop and evaluate an IoT-based system for real-time microclimate monitoring in Low Voltage/High Voltage switchgear.
  • To enable predictive maintenance strategies for electrical substations.

Main Methods:

  • Implementation of a low-cost, efficient IoT platform (PRTG) for remote climate monitoring.
  • Continuous data collection of environmental conditions (humidity, dust) inside and outside switchgear over a 365-day period.

Main Results:

  • Successful integration of the IoT monitoring system into switchgear maintenance processes.
  • Demonstrated reduction in maintenance costs through proactive environmental management.

Conclusions:

  • The proposed IoT system effectively monitors switchgear microclimates, preventing malfunctions.
  • Predictive maintenance enabled by this system leads to significant cost savings and improved operational reliability.