
CNT RESEARCH provide consultancy service for interpretation of test values of Power Transformer.
Interpretation of Dissolved Gas Analysis
❖ Interpretation Methods
✦ Dornen Berg Ratio Method
✦ Regers Ratio Method
✦ Key Gas Method
❖ Determination
⚠ Arcing
⚠ Fault in cellulose
⚠ Oxygen content of oil
⚠ Moisture content of in oil/paper
⚠ Oil carbonized
⚠ Corona
⚠ Over heated oil
⚠ Heated contacts
⚠ Over heated cellulose
⚠ X-was deposition
⚠ Pinhole on paper
⚠ Puncture on paper
⚠ Oil super saturation
⚠ Oil upper cavitation
⚠ Large paper punctures
⚠ Extensive destruction
⚠ Carbonization of paper
⚠ Metal fusion at discharge
⚠ Extensive carbonization in oil
⚠ Flashover
⚠ Short circuit between LV & Earth
⚠ Thermal Fault- below 300℃ in oil or/ paper
⚠ Thermal Fault-above 300℃ in oil or/ paper
⚠ Thermal Fault-above 700℃ (at 800℃or 1000℃)
⚠ Loose connection
⚠ Defective connection
⚠ Circulating current between yoke clamps & bolts
⚠ Large circulating current in tank core
⚠ Excessive paper degradation
APPLICATION AND INTERPRETATION OF TESTS as per IS:1866 Table 2
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Customer
CNT RESEARCH B2B customers are listed public and private limited companies across India.
Tushar Shinde is the founder, promoter and CEO of CNT RESEARCH established in year 2004.
Contact us
✆ 9321690034
✆ 9320690034
✆ 9820690034
✉ cnt@cnt.org.in
www.cnt.org.in
Tushar Shinde
CEO
CNT RESEARCH
Registered Address :
202, Rachana Apartment, Anand Nagar
Kulgaon, Badlapur (E)
Thane - 421503
Maharashtra
India
Marketing Office :
B/402, Lotus Corporate Park
Laxmi Nagar, Goregaon (E)
Mumbai - 400063
Maharashtra
India
Regional Office :
Masat Industrial Area
Silvassa Vapi Road
Samarvarni, Silvassa
Dadra & Nagar Haveli - 396230
Dadra & Nagar Haveli & Daman and Diu
India
Regional Office :
Pithampur Industrial Area
Mhow Nimach Road
Akolia, Pithampur
Dhar - 454775
Madhya Pradesh
India