Predictive Maintenance of Power Substation Equipment by Infrared Thermography

Published: 14 May 2023| Version 1 | DOI: 10.17632/xwycx35grk.1
Muhammad Asif


Predictive Maintenance (PdM) is a proactive approach to equipment maintenance, which involves the use of data and technology to predict and prevent potential equipment failures before they occur. In the case of power substations, PdM is crucial for ensuring the reliability and efficiency of electrical power systems. One of the most effective techniques used in PdM is Infrared Thermography (IRT). IRT is a non-contact technology that uses thermal imaging to detect and analyze temperature variations on the surface of equipment. By detecting temperature changes, IRT can identify potential equipment failures, such as overheating, corrosion, and insulation defects, before they cause serious damage or downtime. In the context of power substations, IRT can be used to monitor critical equipment, such as transformers, circuit breakers, and switchgear. By conducting regular IRT inspections, technicians can identify and prioritize potential issues, and schedule maintenance activities accordingly. For example, if an IRT inspection reveals a hot spot on a transformer, maintenance can be scheduled to repair or replace the component before it fails. IRT inspections can be conducted remotely, without the need for equipment shutdowns or physical contact. This minimizes downtime and reduces the risk of equipment damage or personal injury. The data obtained from IRT inspections can be analyzed and used to create predictive maintenance schedules, which optimize maintenance activities and minimize costs. Overall, the use of Infrared Thermography in Predictive Maintenance of Power Substation Equipment is a reliable and cost-effective method for ensuring the reliability and safety of electrical power systems.



University of Engineering and Technology


Electrical Engineering