二极管中点钳位NPC(neutral point clamped)三电平逆变器具备较低的开关应力、谐波分量和较好的抗干扰能力,促使其成为光伏、储能等新能源领域DC-AC变换器的主要拓扑之一。针对大功率应用场景中普遍采用的NPC三电平IGBT功率半导体模块...二极管中点钳位NPC(neutral point clamped)三电平逆变器具备较低的开关应力、谐波分量和较好的抗干扰能力,促使其成为光伏、储能等新能源领域DC-AC变换器的主要拓扑之一。针对大功率应用场景中普遍采用的NPC三电平IGBT功率半导体模块开展研究,分析NPC三电平功率模块的换流回路,并据此给出对应换流回路的寄生参数精准仿真评估方法。依据换流回路寄生参数最小原则,设计适用于NPC三电平功率半导体模块的动态特性测试电路。根据换流回路以及电路工作原理,设计NPC三电平功率模块的驱动电路,并给出增强驱动电流、防直通及死区时间可调的驱动方案。最后,通过对NPC三电平IGBT模块的动态测试,详细评估了不同工况下功率器件的动态损耗。展开更多
The insulated gate bipolar transistor(IGBT) was invented in early 80s as the controlled switch to replace HV MOSFETs and BJTs.Today,the IGBT is the major player in most of power conversion applications,such as home ap...The insulated gate bipolar transistor(IGBT) was invented in early 80s as the controlled switch to replace HV MOSFETs and BJTs.Today,the IGBT is the major player in most of power conversion applications,such as home appliance drives,power supplies,lighting,industrial variable speed drives,UPS,medical equipment,traction drives, power transmission,etc..As fully controlled device,die IGBT requires an appropriate gate driver in order to achieve full performances of the IGBT.The author of this paper has tried to systematically summarize some major aspects of application and control of high power as well low power IGBT.The major aspects considered are the IGBT losses,gate driver and protection techniques.展开更多
文摘二极管中点钳位NPC(neutral point clamped)三电平逆变器具备较低的开关应力、谐波分量和较好的抗干扰能力,促使其成为光伏、储能等新能源领域DC-AC变换器的主要拓扑之一。针对大功率应用场景中普遍采用的NPC三电平IGBT功率半导体模块开展研究,分析NPC三电平功率模块的换流回路,并据此给出对应换流回路的寄生参数精准仿真评估方法。依据换流回路寄生参数最小原则,设计适用于NPC三电平功率半导体模块的动态特性测试电路。根据换流回路以及电路工作原理,设计NPC三电平功率模块的驱动电路,并给出增强驱动电流、防直通及死区时间可调的驱动方案。最后,通过对NPC三电平IGBT模块的动态测试,详细评估了不同工况下功率器件的动态损耗。
文摘The insulated gate bipolar transistor(IGBT) was invented in early 80s as the controlled switch to replace HV MOSFETs and BJTs.Today,the IGBT is the major player in most of power conversion applications,such as home appliance drives,power supplies,lighting,industrial variable speed drives,UPS,medical equipment,traction drives, power transmission,etc..As fully controlled device,die IGBT requires an appropriate gate driver in order to achieve full performances of the IGBT.The author of this paper has tried to systematically summarize some major aspects of application and control of high power as well low power IGBT.The major aspects considered are the IGBT losses,gate driver and protection techniques.
