摘要
针对矿用三电平变频器,为提高系统的运行效率且减少电流和电压的过冲,延长电机和变频器寿命,采用新型高压大功率IGBT驱动模块2QD30A17K-I进行驱动电路设计,分析了驱动电路的工作原理,设计了电流过流和短路保护、欠压保护电路,给出了基本三电平的驱动电路原理图,元器件的参数计算和选型,实验调试验证了该驱动电路的可行性和正确性,可以在煤矿行业内推广应用。
For the three-level inverter of mining,in order to improve the operating efficiency of the system and reduce the overshoot of current and voltage,and extend the life of the motor and inverter,the new high-voltage high-power IGBT drive module 2 QD30 A17 K-I is used to design the drive circuit,and the Working principle of the drive circuit is analyzed. Current overcurrent and short circuit protection,undervoltage protection circuit are designed,The basic three-level drive circuit schematic diagram,parameter calculation and selection of components are given,experimental verification verifies the feasibility and Correctness of the drive circuit can be promoted and applied in the coal mining industry.
引文
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