设计并封装了一款1 700 V/1 600 A Si C混合IGBT功率模块,对模块进行了常规电学特性测试,并与全Si功率模块进行了比较。由于Si C肖特基二极管优异的反向恢复特性,使得模块的开关性能得到明显提升,有效降低了模块的能量损耗。通过优化模...设计并封装了一款1 700 V/1 600 A Si C混合IGBT功率模块,对模块进行了常规电学特性测试,并与全Si功率模块进行了比较。由于Si C肖特基二极管优异的反向恢复特性,使得模块的开关性能得到明显提升,有效降低了模块的能量损耗。通过优化模块结构及栅极串联电阻,进一步降低了模块的开关损耗,使Si C混合模块比全Si IGBT模块具有更加优越的性能。展开更多
Si C功率器件具有高频、高效率、高功率、耐高温、抗辐射等优点。文章介绍了目前Si C功率器件应用情况,阐述了Si C pn结肖特基势垒(JBS)、Si C-MOSFET以及Si C混合IGBT的特性,分析了应用于1 700 V Si C混合IGBT的可编程驱动技术;最后简...Si C功率器件具有高频、高效率、高功率、耐高温、抗辐射等优点。文章介绍了目前Si C功率器件应用情况,阐述了Si C pn结肖特基势垒(JBS)、Si C-MOSFET以及Si C混合IGBT的特性,分析了应用于1 700 V Si C混合IGBT的可编程驱动技术;最后简述了Si C模块功率试验情况。展开更多
Firstly, relevant stress properties of millisecond level breaking process and microsecond level commutation process of hybrid HVDC circuit breaker are studied in detail on the basis of the analysis for the application...Firstly, relevant stress properties of millisecond level breaking process and microsecond level commutation process of hybrid HVDC circuit breaker are studied in detail on the basis of the analysis for the application environment and topological structure and operating principles of hybrid circuit breakers, and key stress parameters in transient state process of two time dimensions are extracted. The established digital simulation circuit for PSCAD/EMTDC device-level operation of the circuit breaker has verified the stress properties of millisecond level breaking process and microsecond level commutation process. Then, equivalent test method, circuits and parameters based on LC power supply are proposed on the basis of stress extraction. Finally, the results of implemented breaking tests for complete 200 kV circuit breaker, 100 kV and 50 kV circuit breaker units, as well as single power electronic module have verified the accuracy of the simulation circuit and mathematical analysis. The result of this paper can be a guide to electrical structure and test system design of hybrid HVDC circuit breaker.展开更多
文摘设计并封装了一款1 700 V/1 600 A Si C混合IGBT功率模块,对模块进行了常规电学特性测试,并与全Si功率模块进行了比较。由于Si C肖特基二极管优异的反向恢复特性,使得模块的开关性能得到明显提升,有效降低了模块的能量损耗。通过优化模块结构及栅极串联电阻,进一步降低了模块的开关损耗,使Si C混合模块比全Si IGBT模块具有更加优越的性能。
文摘Si C功率器件具有高频、高效率、高功率、耐高温、抗辐射等优点。文章介绍了目前Si C功率器件应用情况,阐述了Si C pn结肖特基势垒(JBS)、Si C-MOSFET以及Si C混合IGBT的特性,分析了应用于1 700 V Si C混合IGBT的可编程驱动技术;最后简述了Si C模块功率试验情况。
基金supported by SGCC Scientific and Technological Project(52110116004W)
文摘Firstly, relevant stress properties of millisecond level breaking process and microsecond level commutation process of hybrid HVDC circuit breaker are studied in detail on the basis of the analysis for the application environment and topological structure and operating principles of hybrid circuit breakers, and key stress parameters in transient state process of two time dimensions are extracted. The established digital simulation circuit for PSCAD/EMTDC device-level operation of the circuit breaker has verified the stress properties of millisecond level breaking process and microsecond level commutation process. Then, equivalent test method, circuits and parameters based on LC power supply are proposed on the basis of stress extraction. Finally, the results of implemented breaking tests for complete 200 kV circuit breaker, 100 kV and 50 kV circuit breaker units, as well as single power electronic module have verified the accuracy of the simulation circuit and mathematical analysis. The result of this paper can be a guide to electrical structure and test system design of hybrid HVDC circuit breaker.