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Online Monitoring Method for IGBT Device Junction Temperature Based on Novel On-state Voltage Drop Sampling Circuit
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Rui ZHAO1, Kexin YANG1, Tao TANG1, Wensheng SONG1
Journal of Power Supply | 2024, 22(6) : 295 - 303
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Journal of Power Supply | 2024, 22(6): 295-303
• Power Semiconductor Devices •
Online Monitoring Method for IGBT Device Junction Temperature Based on Novel On-state Voltage Drop Sampling Circuit
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Rui ZHAO1, Kexin YANG1, Tao TANG1, Wensheng SONG1
Affiliations
  • School of Electrical Engineering Southwest Jiaotong University Chengdu 611756 China
Published: 2024-11-30 doi: 10.13234/j.issn.2095-2805.2024.6.295
Outline
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Temperature sensitive electrical parameter method has characteristics such as strong online capacity, non-invasiveness, and rapid response, so it has become a research hotspot at present. The on-state voltage drop is taken as a temperature sensitive electrical parameter, and an online monitoring method for IGBT junction temperature is studied based on the on-state voltage drop. First, the data of on-state voltage drop, collector current, and junction temperature of IGBT is obtained through the double-pulse test circuit. Then, based on the measured data, a three-dimensional mapping representation model of IGBT collector current, junction temperature, and on-state voltage drop is constructed. Finally, a novel on-state voltage drop sampling circuit was designed, and an online monitoring experimental of IGBT junction temperature was conducted. Experimental results verified the accuracy and validity of the obtained three-dimensional junction temperature representation model.

Insulated gate bipolar transistor (IGBT)  /  junction temperature on-line monitoring  /  temperature sensitive electrical parameter  /  on-state voltage drop  /  double-pulse test  /  three-dimensional mapping representation model  /  sampling circuit
Rui ZHAO, Kexin YANG, Tao TANG, Wensheng SONG. Online Monitoring Method for IGBT Device Junction Temperature Based on Novel On-state Voltage Drop Sampling Circuit[J]. Journal of Power Supply, 2024 , 22 (6) : 295 -303 . DOI: 10.13234/j.issn.2095-2805.2024.6.295
Funding
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  • National Natural Science Foundation of China(52022084)
  • Youth Science and Technology Innovation Research Team of Sichuan(22CXTD0055)
Appendix
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Year 2024 volume 22 Issue 6
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287
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.6.295
  • Receive Date：2021-12-29
  • Online Date：2025-07-19
  • Published：2024-11-30
Article Data
Affiliations
History
  • Received：2021-12-29
  • Revised：2022-03-18
  • Accepted：2022-03-21
Funding
National Natural Science Foundation of China(52022084)
Youth Science and Technology Innovation Research Team of Sichuan(22CXTD0055)
Affiliations
    School of Electrical Engineering Southwest Jiaotong University Chengdu 611756 China
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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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