This fifth part of the article examines the significant contributions of Okabe to the statistical analysis and modeling of insulation behavior in EHV and UHV power transformers.
This column explores the technical and historical reasons behind the preference for mineral oils over vegetable oils, analyzing early research findings and practical considerations.
In the third part of the article on the statistical scatter of breakdown voltages of transformer oil, the focus shifts to the area and volume effects on breakdown voltage (BDV).
Polish energy company Enea Operator has signed agreements worth $111.1 M (zł444 M) with three transformer manufacturers to install 129 high-power transformers.
This is the fourth part of a historical look at transformer insulation testing which reveals how experts worldwide mapped out volt-time curves and PD probabilities.
Vitaly Gurin and Marius Grisaru explore the impact of voltage rise rate and gap spacing on the coefficients of variation (CV%) of transformer oil breakdown voltage.
Around 1200 residents experienced a power outage lasting eight hours on Tuesday after thieves stole transformer oil and caused the equipment to break down.
The article is intended for young transformer engineers and for teaching transformers to undergraduate and postgraduate students in universities.
For the future statistical optimization of power transformer insulation design, more than two hundred publications on transformer oil breakdown voltage (BDV) were reviewed.
The second part of Vitaly Gurin’s column examines the data of Soviet scientists on the dependence of the electrical strength of insulation of power transformers on time in historical development.
In this column by Vitaly Gurin, find out about the exciting story on the development, significance, and challenges related to power transformer insulation.
The Shell Diala range of high-performance transformer oils has been engineered to extend oil drain intervals and keep users’ components in service for a longer period of time – even in harsh conditions.
Nynas and Stena Recycling announced a partnership, combining Nynas’ refining technology and circular transformer fluid with Stena’s collection network and recycling services.
The article provides best practices on online monitoring and diagnostics systems used for transformer oil and addresses the calculation of the transformer oil quality index.
COMEM Group announces their newest oil diagnostic device, type eDOC.
Germany, Berlin: CWIEME Berlin will feature sustainability as its focus.
We are delighted to announce that our new book titled Transformer Oil – Application aspects, by Dr. C. S. Narasimhan, is now published in digital format.
The live e-lesson was held on 18 February 2021.
The live e-lesson will be held on Thursday, 18 February 2021, at 2 PM CET.
The global transformer oil market is projected to reach $3B by 2025 from a market size of $2.2B in 2020, at a CAGR of 6.9% during the forecast period.
The Environmental Protection Agency of Liberia has fined the Liberia Electricity Corporation (LEC) $10,000 for possessing a banned chemical in transformer oil.
Pakistan, Lahore: At least five people were injured with burns when a transformer exploded in Lahore Park near Raiwind on Sunday.
United Kingdom, London: Technavio has announced the top five leading vendors in their recent global transformer oil market report until 2020. This research report also lists five other prominent vendors that are expected to impact the market during the forecast period.
Italy, Cesano Boscone: Tecsystem, an Italian provider of temperature control devices for electrical machines and transformers, has launched a new system for the protection of hermetic oil-filled transformers, able to monitor the level, pressure and temperature of transformer oil.