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Selection and optimization design of 220 kV ester oil transformer for offshore substation
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Jianjun YANG1, Guotai YANG2, Shengwei CAI2, Yaxu ZHANG3, Tiancheng WANG1, Kai YANG4, Si YING2
Insulating Materials | 2024, 57(5) : 66 - 72
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Insulating Materials | 2024, 57(5): 66-72
• Special Issue on High-performance Transformer Insulation •
Selection and optimization design of 220 kV ester oil transformer for offshore substation
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Jianjun YANG1, Guotai YANG2, Shengwei CAI2, Yaxu ZHANG3, Tiancheng WANG1, Kai YANG4, Si YING2
Affiliations
  • 1Power China Huadong Engineering Corporation Limited, Hangzhou 310014, China
  • 2China Electric Power Research Institute, Wuhan 430074, China
  • 3Siemens Energy Transformer (Wuhan) Co., Ltd., Wuhan 430050, China
  • 4State Grid Corporation of China, Beijing 100120, China
Published: 2024-05-20 doi: 10.16790/j.cnki.1009-9239.im.2024.05.010
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Natural ester and synthetic ester insulating oils are getting more and more application in transformer industry because of their eco-friendly and excellent fire resistance characteristics. At present, there is no precedent in China for the application of environment friendly ester insulating oil in 220 kV power transformers for offshore substation. According to the characteristics and requirements of offshore substation, the selection of transformer ester oil types and insulation system types were studied in this paper. Taking SZ-150000/220 type transformer as the object, an improved model of the transformer body structure was established for simulation analysis, and the simulation results show that the ester insulating oil meet the requirements of insulation and temperature rise of 220 kV power transformer. The feasibility of ester insulating oil applied in 220 kV power transformer for offshore substation was discussed through comparative analysis and simulation calculation, and an optimized design scheme was proposed to make the equipment adapt the requirements of offshore operating environment, which provides a reference for the application of ester oil transformer in offshore substation.

offshore substation  /  ester oil transformer  /  environmentally friendly  /  optimization design
Jianjun YANG, Guotai YANG, Shengwei CAI, Yaxu ZHANG, Tiancheng WANG, Kai YANG, Si YING. Selection and optimization design of 220 kV ester oil transformer for offshore substation[J]. Insulating Materials, 2024 , 57 (5) : 66 -72 . DOI: 10.16790/j.cnki.1009-9239.im.2024.05.010
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2024.05.010
  • Receive Date：2023-09-13
  • Online Date：2025-12-22
  • Published：2024-05-20
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History
  • Received：2023-09-13
  • Revised：2023-10-30
Funding
Affiliations
    1Power China Huadong Engineering Corporation Limited, Hangzhou 310014, China
    2China Electric Power Research Institute, Wuhan 430074, China
    3Siemens Energy Transformer (Wuhan) Co., Ltd., Wuhan 430050, China
    4State Grid Corporation of China, Beijing 100120, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2024.05.010
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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