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Simulation Analysis of Magnetic Field-Temperature Field About Dry-type Transformer Core Under Harmonics
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Binbin XU1, Chang CHEN1, Aoyu ZHANG2, Yongqiang WANG2
Electric Drive | 2024, 54(2) : 32 - 40
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Electric Drive | 2024, 54(2): 32-40
Simulation Analysis of Magnetic Field-Temperature Field About Dry-type Transformer Core Under Harmonics
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Binbin XU1, Chang CHEN1, Aoyu ZHANG2, Yongqiang WANG2
Affiliations
  • 1 Guangzhou Power Supply Bureau of Guangdong Power Grid Co.，Guangzhou 510000，Guangdong，China
  • 2 Hebei Provincial Key Laboratory of Power Transmission Equipment Security Defense，North China Electric Power University，Baoding 071003，Hebei，China
Published: 2024-02-20 doi: 10.19457/j.1001-2095.dqcd24532
Outline
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In order to study the distribution of magnetic field and temperature field of dry-type transformer iron core more accurately，analyze the influence of different excitation on the magnetic field loss and hot spot temperature rise of dry-type transformer core，firstly，Maxwell was used to calculate the transient magnetic field distribution of dry-type transformer，and the loss of the iron core under no-load condition was obtained. On this basis，a three-dimensional dry-type transformer magnetic field-temperature field coupling calculation method was proposed. The magnetic field loss was coupled to Fluent as the heat source of temperature field calculation，and the fluid structure coupling method was used to calculate the temperature field distribution of dry-type transformer. Finally，based on the above method，the magnetic field and temperature field of transformer core under harmonic action were calculated，and the influence of harmonic on core loss and temperature rise of dry-type transformer was analyzed，which provides a reference for the monitoring of the temperature rise about the transformer core under harmonics.

dry-type transformer  /  magnetic field-temperature field coupling  /  load loss  /  core temperature rise  /  harmonic
Binbin XU, Chang CHEN, Aoyu ZHANG, Yongqiang WANG. Simulation Analysis of Magnetic Field-Temperature Field About Dry-type Transformer Core Under Harmonics[J]. Electric Drive, 2024 , 54 (2) : 32 -40 . DOI: 10.19457/j.1001-2095.dqcd24532
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Year 2024 volume 54 Issue 2
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Article Info
doi: 10.19457/j.1001-2095.dqcd24532
  • Receive Date：2022-07-31
  • Online Date：2026-01-13
  • Published：2024-02-20
Article Data
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History
  • Received：2022-07-31
  • Revised：2022-09-01
Funding
Affiliations
    1 Guangzhou Power Supply Bureau of Guangdong Power Grid Co.，Guangzhou 510000，Guangdong，China
    2 Hebei Provincial Key Laboratory of Power Transmission Equipment Security Defense，North China Electric Power University，Baoding 071003，Hebei，China
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Citations
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
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
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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