• Nguyen Vu Thang Hung Yen University of Technology and Education
  • Nguyen Hoang Nam Hanoi University of Science and Technology
  • Hoang Van Phuoc Hanoi University of Science and Technology
  • Nguyen Van Dua Center for Microelectronics and Information Technology - Ministry of Science and Technology
  • Do Anh Tuan Hung Yen University of Technology and Education, HaNoi University of Technology
  • Hoang Si Hong Hung Yen University of Technology and Education
Keywords: dissolved hydrogen gas in transformer oil, model of dissolving system, main controller


This paper works on system that monitors concentration of hydrogen dissolved in transformer oil. The system has a closed chamber that is used as a transformer oil container. Oil temperature in the chamber can be adjusted by controllable heater. Stirring motor and gas pressure part are also integrated to speed up the dissolution of hydrogen in oil and to observe gas pressure difference. In this research, group chooses voltage distribution method to determine the value of resistant of hydrogen sensor. Resistant value varies from hundreds of kΩ to 1MΩ. Micro control unit STM32 is utilized for collecting, processing measured data and transmitting to computer through RS232 port. The result shows that the system works stably. Consequently, experimenting sensors sensing hydrogen dissolved in transformer oil becomes less difficult because it is very hard to prepare experimental condition of real transformer.


Igor Pavlovsky, Hydrogen Sensor for Oil Transformer Health Monitoring, Nanotechnology, 2008. Nano ‘08. 8th ieee conference on, IEEE, 2008, pp 211-213, ISBN: 978-1-4244-2103-9

Yang Dingkun, Chen Xingang, Ma zhipeng, Fault Detection of Transformers based on Raman Spectra of the Dissolved Gas in Transformer Oil, 2016 IEEE 8th International Power Electronics and Motion Control Conference.

Emir ŠIŠIĆ, Chromatographic Analysis of Gases from the Transformer, Transformers Magazine, Volume 2, Issue 1.

A.S.M. Iftekhar Uddin, Usman Yaqoob, Gwiy-Sang Chung, Dissolved Hydrogen Gas Analysis in Transformer Oil using Pd Catalyst Decorated on ZnO Nanorod Array, Sensors and Actuators B, 226(2016), pp 90-95.

Fan Yang, Dongoh Jung, and Reginald M. Penner, Trace Detection of Dissolved Hydrogen Gas in Oil using a Palladium Nanowire Array, Anal Chem. 2011, 83(24):9472-7, doi: 10.1021/ac2021745.

Lynn Hamrick, “Dissolved Gas Analysis for Transformers”, Niche Market Testing, NETA WORLD Winter 2009-2010.

Radu Godina, Eduardo M. G. Rodrigues, João C. O. Matias and João P. S. Catalão, “Effect of Loads and Other Key Factors on Oil-Transformer Ageing: Sustainability Benefits and Challenges”, energies, ISSN 1996-1073, 2015.

Nguyen Van Toan, Nguyen Viet Chien, Nguyen Van Duy, Hoang Si Hong, Hugo Nguyen, Nguyen Duc Hoa, Nguyen Van Hieu, “Fabrication of Highly Sensitive and Selective H2 Gas Sensor based on SnO2 Thin Film Sensitized with Microsized Pd Islands”, Journal of Hazardous Materials 301 (2016) 433–442.

How to Cite
Nguyen Vu Thang, Nguyen Hoang Nam, Hoang Van Phuoc, Nguyen Van Dua, Do Anh Tuan, & Hoang Si Hong. (2018). DESIGN AND FABRICATION OF SYSTEM MEASURING DISSOLVED HYDROGEN GAS IN TRANSFORMER OIL. UTEHY Journal of Science and Technology, 16, 18-24. Retrieved from