E216 THE USE OF DIRECTLY MOLDED CORONA PROTECTION TECHNIQUE ON GENERATOR PARALLEL RING(Generator)
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概要
- 論文の詳細を見る
By introducing corona protection technique on parallel ring, generators are designed more compact for 1000MW/27kV capacity. The invention of directly molded process of voltage grading tapes is used to simplify the courses of manufacture. The most suitable anti-corona material is selected through tests and researches among grading tapes and semi-conductive vanishes. Conventional test methods are broken through by directly testing the AC property of these materials. The voltage grading system works in the aging test of mica paper ground wall under 81kV/10h and 54kV/1000h, which guarantees the life of whole insulation system. The reliability of design leads ahead. The intention of which is properly realized by the training of the workers. Finally, the direct molding process of corona protection technique on parallel ring is applied to all 1000MW generators.
- 2009-11-16
著者
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Chen Liang
Insulation Academe Of R&d Center Of Secpg
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YUAN Jianhua
Shanghai Electric Power Generation Corporation (SECPG)
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WANG Tingshan
Shanghai Electric Power Generation Corporation (SECPG)
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WU Xiaolei
Insulation Academe of R&D Center of SECPG
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Wu Xiaolei
Insulation Academe Of R&d Center Of Secpg