【摘要】 针对逆变电源输出电压波形畸变并且在大功率负载下输出电压掉压严重的问题,文章提出了采用新型改进的电容电流瞬时值内环,电容电压瞬时值中间环,电容电压有效值外环的三环控制策略,借助于高效的DSP,实现了电路中逆变器数字控制。最后对设计的电路进行了仿真与实验,实验结果与仿真结果的比较表明了数字控制逆变器的良好控制性能,达到了设计要求。更多还原

【Abstract】 Aimed at the voltage wave distortion of inverter and the reduction of output voltage magnitude under the heavy load,a design of the inverter power supply was introduced,which uses the new improved three-loop control with the capacitance inductance current inner loop,the capacitance inductance voltage middle loop,the capacitance voltage effective value outer loop.By applying high performance digital signal processor,the digital closed-loop control of the inverter in the circuit is achieved.The simulation and experiment results are given finally.The experiment results are compared with simulation results,which prove the digital control inverter system has a good control performance and achieves expected results.更多还原