基于双电压环控制的航空逆变器设计

Aviation Inverter Design Based on Dual-voltage-loop Control

针对大飞机变频供电系统下二次恒频电源,采用电压有效值外环和电压瞬时值内环双环控制方式,实现115 V/400 Hz航空逆变电源设计。分析设计了有效值外环和瞬时值内环的PI控制器,给出了PI控制器部分参数。通过Saber仿真和硬件实验结果,充分验证了该逆变器控制策略的快速性、稳定性和较强的抗干扰能力,具有重要的工程参考价值。

Regarding the secondary constant frequency power supply in big plane variable frequency power supply system, voltage RMS control technique as outer-loop and transient voltage control technique as inner-loop are used to realize the design of 115 V/400 Hz inverter power supply that used in aeronautical power system.Also the PI controllers of voltage RMS control technique and transient voltage control technique are analyzed and designed, and part of the parameters of the PI controllers are provided.Though the Saber simulation and hardware experiments, the rapidity, the stability and strong anti-interference ability of the inverter＇s control strategy is verified and has important reference value for engineering.