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Hybrid Simulation Analysis of Novel Traction Transformer under DC Bias Excitation
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Liulin YANG1, Taoce WANG1, Tao WANG2, Yongge LI2
Journal of Power Supply | 2024, 22(5) : 309 - 318
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Journal of Power Supply | 2024, 22(5): 309-318
• Passive Components and Materials •
Hybrid Simulation Analysis of Novel Traction Transformer under DC Bias Excitation
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Liulin YANG1, Taoce WANG1, Tao WANG2, Yongge LI2
Affiliations
  • 1 School of Electrical Engineering Guangxi University Nanning 530004 China
  • 2 Guangxi Liuzhou Special Transformer Co., Ltd Liuzhou 545036 China
Published: 2024-09-30 doi: 10.13234/j.issn.2095-2805.2024.5.309
Outline
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The stability of an urban rail transit traction power supply system is related to the safety of urban power grid and the stable operation of traffic. Due to the large amounts of cables and a series of power electronic devices which have been put into use, problems such as harmonics and reactive power will arise and seriously damage the safety of the traction power supply system. As the core equipment of the traction power supply system, the traction transformer has important functions such as transmitting power supply and filtering nonlinear load harmonics. DC bias is a widespread phenomenon adversely affecting the traction transformer, and it may directly threaten the safe and stable operation of the traction transformer. Based on PSCAD/EMTDC and ANSYS, the UMEC model and finite element model of a novel traction transformer are established, respectively. By means of multi-platform hybrid simulation, the electromagnetic, loss and other excitation characteristics of this traction transformer under DC bias are observed and analyzed. With a comparison with the traditional traction transformer, the excitation situation of the novel traction transformer under DC bias is evaluated.

Traction transformer  /  DC bias  /  excitation characteristics  /  hybrid simulation
Liulin YANG, Taoce WANG, Tao WANG, Yongge LI. Hybrid Simulation Analysis of Novel Traction Transformer under DC Bias Excitation[J]. Journal of Power Supply, 2024 , 22 (5) : 309 -318 . DOI: 10.13234/j.issn.2095-2805.2024.5.309
Funding
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  • Major Research Project of Guangxi Science and Technology Department(AB18126026)
Appendix
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Year 2024 volume 22 Issue 5
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.5.309
  • Receive Date：2021-11-08
  • Online Date：2025-07-20
  • Published：2024-09-30
Article Data
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History
  • Received：2021-11-08
  • Accepted：2022-01-18
Funding
Major Research Project of Guangxi Science and Technology Department(AB18126026)
Affiliations
    1 School of Electrical Engineering Guangxi University Nanning 530004 China
    2 Guangxi Liuzhou Special Transformer Co., Ltd Liuzhou 545036 China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
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Number of
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Percentage 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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