Automatic Fan for Transformer Cooling
Year: 2026
Type: article
Abstract: Transformers experience continuous thermal stress due to load variations, copper losses, and environmental conditions. Excessive heat accelerates insulation ageing, reduces reliability, and can lead to catastrophic failure. This paper presents a low-cost automatic cooling system that uses a DS18B20 digital temperature sensor, Arduino Uno, and a relay-driven 12V fan to regulate transformer temperature without manual intervention. The system continuously monitors temperature and activates forced air-cooling whenever the preset threshold is exceeded. Software-based hysteresis prevents relay chatter and ensures smooth operation. The proposed solution is simple, economical, and well-suited for small distribution transformers in rural or unattended environments.
Authors: Reure Ritesh, Prof. Gopinath Harsha R
Language: English
Topic: Arduino and IoT Applications
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7124954635
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