The article examines the essential function of oil filtration and treatment systems in electrical transformers, emphasizing their importance for maintaining optimal performance and extending equipment lifespan. It covers technical processes, system components, advanced technologies, economic and environmental advantages, and includes case studies. The technical principles of oil filtration, such as filter types and impurity retention methods, are described. Key treatments like oil dehydration and acid neutralization are discussed to prevent oil degradation. Detailed insights into system components, including pumps, filtration circuits, and monitoring sensors, are provided to explain the infrastructure required for system efficiency. Advanced technologies like automated control and IoT integration are discussed for smart system management. Recent innovations that enhance efficiency are highlighted. The conclusion stresses the vital role of oil filtration systems, outlining future research directions and perspectives. This article offers a comprehensive overview for those interested in energy and maintenance technologies. Additionally, it underscores the significance of proactive maintenance strategies for improving transformer reliability and longevity, discussing predictive maintenance methods like condition monitoring and diagnostic testing, that enable early detection of issues and proactive solutions. Moreover, the article explores the integration of renewable energy sources with transformer systems, addressing the challenges and opportunities this transition presents. Integrating renewable energy not only lessens environmental impact but also introduces new challenges for transformer operation and maintenance. In summary, the article offers valuable insights into the evolving transformer maintenance landscape and the critical role oil filtration systems play in ensuring reliable and efficient operation.
