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Research on high temperature and thermal ageing insulation properties of silicone gel material for high voltage IGBT packaging
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Minghan YAO1, Xinyu JIANG1, Ziyue YANG1, Kaixuan LI1, Shenyang MO2, Yan TONG2, Boya ZHANG1, Xingwen LI1
Insulating Materials | 2023, 56(12) : 1 - 8
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Insulating Materials | 2023, 56(12): 1-8
• Advanced Electrical Materials for Large Capacity Offshore Wind Power Transmission •
Research on high temperature and thermal ageing insulation properties of silicone gel material for high voltage IGBT packaging
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Minghan YAO1, Xinyu JIANG1, Ziyue YANG1, Kaixuan LI1, Shenyang MO2, Yan TONG2, Boya ZHANG1, Xingwen LI1
Affiliations
  • 1State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi′an Jiaotong University, Xi′an 710049, China
  • 2NARI Group Co., Ltd., Nanjing 211000, China
Published: 2023-12-20 doi: 10.16790/j.cnki.1009-9239.im.2023.12.001
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In high-voltage insulated gate bipolar transistor (IGBT) devices, traditional Si-based semiconductor chips are gradually replaced by emerging wide-bandgap semiconductor chips. High-power-density wide-bandgap semiconductors lead to a sharp rise of operating temperature in power electronic modules. Silicone gel is used as an insulating material for the packaging of high-voltage IGBT devices, and its insulating performance faces the challenges of high temperature and thermal ageing. In order to study the effects of high temperature and thermal ageing on the thermal stability and insulating properties of silicone gel, we studied the effects of high temperature and long-term thermal stress on the dielectric properties, volume conductivity, and breakdown strength of silicone gel by high temperature experiments and thermal ageing experiments of silicone gel materials, and analyzed the high temperature characteristics and thermal ageing characteristics of the silicone gel. The results show that with the increase of temperature, the real part of complex permittivity and breakdown strength of silicone gel decreases, and the dielectric loss and DC conductivity increases. With the increase of thermal ageing time, the real part of complex permittivity of silicone gel increases, the dielectric loss decreases at first and then increases, the DC conductivity increases at first and then decreases, and the breakdown strength decreases.

high voltage IGBT module  /  insulating package  /  silicone gel  /  high temperature  /  thermal ageing
Minghan YAO, Xinyu JIANG, Ziyue YANG, Kaixuan LI, Shenyang MO, Yan TONG, Boya ZHANG, Xingwen LI. Research on high temperature and thermal ageing insulation properties of silicone gel material for high voltage IGBT packaging[J]. Insulating Materials, 2023 , 56 (12) : 1 -8 . DOI: 10.16790/j.cnki.1009-9239.im.2023.12.001
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Year 2023 volume 56 Issue 12
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2023.12.001
  • Receive Date：2023-04-09
  • Online Date：2025-11-24
  • Published：2023-12-20
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  • Received：2023-04-09
  • Revised：2023-06-02
Funding
Affiliations
    1State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi′an Jiaotong University, Xi′an 710049, China
    2NARI Group Co., Ltd., Nanjing 211000, 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
genus		 种数
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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