Development and application of the 275 kV 300 MVA separate-cooling, sheet-winding gas-insulated transformer

Development and application of the 275 kV 300 MVA separate-cooling, sheet-winding gas-insulated transformer

In 1989, a 154 kV, 200 MVA gas-insulated power transformer was commissioned and has been operated with a satisfactory operating record. Utilizing this development experience and introducing new technology, a 275 kV, 300 MVA gas-insulated power transformer has been developed. The compact design of th...

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Veröffentlicht in:IEEE transactions on power delivery 1992-04, Vol.7 (2), p.888-894, Article 888
Hauptverfasser: Muramoto, H., Yamazaki, T., Oshi, T., Uehara, K., Toda, K., Ikeda, M., Yanabu, S.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Cities and towns
Electrical engineering. Electrical power engineering
Exact sciences and technology
Fires
Gas insulation
Oil insulation
Positron emission tomography
Power supplies
Power system reliability
Power transformer insulation
Power transformers
Substations
Transformers and inductors
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Beschreibung
Zusammenfassung:In 1989, a 154 kV, 200 MVA gas-insulated power transformer was commissioned and has been operated with a satisfactory operating record. Utilizing this development experience and introducing new technology, a 275 kV, 300 MVA gas-insulated power transformer has been developed. The compact design of the main-gap insulation is important, and its reliability has been verified. The turn-to-turn insulation, which is made of PET film insulation has also been verified under severely stressed test conditions. The design of the 300 MVA gas-insulated transformer is described.< >
ISSN:0885-8977
1937-4208
DOI:10.1109/61.127095