Marius Grisaru is a chemist, user and an analyst in the DGA field, here successfully explaining proper DGA diagnosis.
This is not just another course on DGA. This is a course where the presenter’s promise is to deliver a completely unbiased lecture, without any interest in selling DGA equipment or tests.
The next level of DGA course by Marius Grisaru will provide you with unique information distilled from more than 30 years of practical experience that you will hardly find anywhere else.
To know more about the entire course, see the DGA Course brochure.
Subscribe to the DGA Course level which suits your needs best.

DGA Course – e-lesson #1: The most efficient transformers maintenance method
In our time, dissolved gas analysis became the most popular tests for power transformers. We will briefly see how it became the most popular test.
VIDEO | PRESENTATION
DGA course – e-lesson #2 – Sampling oil for DGA, consideration on frequencies and sampling safety aspects
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message Username...
VIDEO | PRESENTATION
DGA Course – e-lesson #3 – Sampling oil for DGA, consideration on frequencies and sampling safety aspects- part II
Improving the efficiency invests on dissolved gas analysis, planning synchronizing and selecting most adequate paths for the DGA tests
VIDEO | PRESENTATION
DGA Course – e-lesson #4: Critical description of leading modern techniques for separation and measurements in offline DGA measurements
The fourth e-lesson in the DGA Course is also the first e-lesson on the Intermediate level.
VIDEO | PRESENTATION
DGA Course – e-lesson #5 – Theories & practice of modern DGA diagnosis, standards, guides, schemes and HI models
Extraction of gases from different types of insulation oils by different processes is the most challenging and least researched process of DGA.
VIDEO | PRESENTATION
DGA Course – e-lesson #6 – Save time and money by improving DGA and oil tests bids requirements for oil offline tests
The sixth e-lesson in the DGA Course reveals novel approaches to arriving to the most correct diagnosis despite sampling and measuring uncertainties.
VIDEO | PRESENTATION
DGA Course – e-lesson #7 – A critical analysis of modern techniques for offline and online DGA measurements
Save time, money and prevent critical failures by improving DGA and oil test bid requirements for oil offline tests.
VIDEO | PRESENTATION
DGA Course –e-lesson #9: Recipes for preparing in-house gas in oil standards
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message
VIDEO | PRESENTATION
DGA Course –e-lesson #10: When should one recommend taking a transformer out of service
This is the 10th lesson of the Dissolved gas analysis course conducted on the Master's level. It is created and hosted by Marius Grisaru.
VIDEO | PRESENTATION
DGA Course – e-lesson #11: A brief “history of the future” – an advanced approach to DGA diagnosis based on AI
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message
VIDEO | PRESENTATION
DGA Course – e-lesson #12: Special lesson – Dr. Michel Duval. Survey of important contributions reviewed by Dr. Michel Duval.
Lesson 12 in the DGA course, hosted by M. Grisaru deals with the most important pillars of DGA. It is hosted on the Master's level.
VIDEO | PRESENTATION
DGA Course –e-lesson #13: Special DGA diagnoses
Special DGA diagnoses is the 13th and the last e-lesson in DGA course, authored by Marius Grisaru. The lesson is hosted on the Master's level.
VIDEO | PRESENTATION
DGA course – e-lesson #8 – Selecting and using the proper DGA online device for your transformer
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message
VIDEO | PRESENTATION
DGA Course – e-lesson #1: The most efficient transformers maintenance method
In our time, dissolved gas analysis became the most popular tests for power transformers. We will briefly see how it became the most popular test.
VIDEO | PRESENTATION
DGA course – e-lesson #2 – Sampling oil for DGA, consideration on frequencies and sampling safety aspects
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message
VIDEO | PRESENTATION
DGA Course – e-lesson #3 – Sampling oil for DGA, consideration on frequencies and sampling safety aspects- part II
Improving the efficiency invests on dissolved gas analysis, planning synchronizing and selecting most adequate paths for the DGA tests
VIDEO | PRESENTATION
DGA Course – e-lesson #4: Critical description of leading modern techniques for separation and measurements in offline DGA measurements
The fourth e-lesson in the DGA Course is also the first e-lesson on the Intermediate level.
VIDEO | PRESENTATION
DGA Course – e-lesson #5 – Theories & practice of modern DGA diagnosis, standards, guides, schemes and HI models
Extraction of gases from different types of insulation oils by different processes is the most challenging and least researched process of DGA.
VIDEO | PRESENTATION
DGA Course – e-lesson #6 – Save time and money by improving DGA and oil tests bids requirements for oil offline tests
The sixth e-lesson in the DGA Course reveals novel approaches to arriving to the most correct diagnosis despite sampling and measuring uncertainties.
VIDEO | PRESENTATION
DGA Course – e-lesson #7 – A critical analysis of modern techniques for offline and online DGA measurements
Save time, money and prevent critical failures by improving DGA and oil test bid requirements for oil offline tests.
VIDEO | PRESENTATION
DGA course – e-lesson #8 – Selecting and using the proper DGA online device for your transformer
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message
VIDEO | PRESENTATION
DGA Course –e-lesson #9: Recipes for preparing in-house gas in oil standards
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message
VIDEO | PRESENTATION
DGA Course –e-lesson #10: When should one recommend taking a transformer out of service
This is the 10th lesson of the Dissolved gas analysis course conducted on the Master's level. It is created and hosted by Marius Grisaru.
VIDEO | PRESENTATION
DGA Course – e-lesson #11: A brief “history of the future” – an advanced approach to DGA diagnosis based on AI
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message
VIDEO | PRESENTATION
DGA Course – e-lesson #12: Special lesson – Dr. Michel Duval. Survey of important contributions reviewed by Dr. Michel Duval.
Lesson 12 in the DGA course, hosted by M. Grisaru deals with the most important pillars of DGA. It is hosted on the Master's level.
VIDEO | PRESENTATION
DGA Course –e-lesson #13: Special DGA diagnoses
Special DGA diagnoses is the 13th and the last e-lesson in DGA course, authored by Marius Grisaru. The lesson is hosted on the Master's level.
VIDEO | PRESENTATION
DGA Course – e-lesson #14: The future of DGA and alternative options. Health index of DGA.
This is the third lesson in the DGA course, hosted on Intermediate level, and here you can save your seat for it. Unauthorized message
VIDEO | PRESENTATIONAbout the author

Marius Grisaru
Academic education and experience in electronics and analytical chemistry
30 years of intense experience on transformer oil tests chain, from planning, sampling, diagnosing, recommendations and treatments; one of the first users of headspace DGA tests
Training and educating electrical staff on insulating matrix issues from a chemical point of view
Active member of relevant Working Groups of IEC, CIGRE, and a former member of ASTM
Sharing knowledge and understanding with the electrical community on Transformer LinkedIn Forum, and in Transformers Magazine from the first issue, in order to improve the insulating oil matters, especially DGA tests