CAJ | 학술논문

光伏并网逆变器是光伏发电系统的主要部件，为了达到更好的效率输出更高质量的电能，对逆变器电流进行快速有效的控制尤为关键。该文简单介绍了当前光伏并网逆变器的几种常用控制方法及其基本思想，分析了并网逆变器的工作原理和无差拍控制方法的原理，给出了逆变器脉冲宽度的计算和参考电流的获取方法，通过MATLAB／Simulink软件仿真表明，无差拍控制在单相光伏并网逆变器控制中动态响应特性好，控制方便，电流跟踪电网电压波形好。
광복병망역변기시광복발전계통적주요부건，위료체도경호적효솔수출경고질량적전능，대역변기전류진행쾌속유효적공제우위관건。해문간단개소료당전광복병망역변기적궤충상용공제방법급기기본사상，분석료병망역변기적공작원리화무차박공제방법적원리，급출료역변기맥충관도적계산화삼고전류적획취방법，통과MATLAB／Simulink연건방진표명，무차박공제재단상광복병망역변기공제중동태향응특성호，공제방편，전류근종전망전압파형호。
PV grid-connected inverter is the main component of photovoltaic power generation system, fast and effective control in order to achieve better efficiency of the output of a higher quality of electrici- ty,the inverter current is particularly critical.This paper briefly describes the current photovoltaic grid-connected inverter of several commonly used control method and its basic idea of grid-connected inverter,working principle and the principle of deadbeat control,given the pulse width of the inverter cal- culation and the reference current for MATLAB/Simulink software simulation results show that,deadbeat control in single-phase photovoltaic grid-connected inverter control in the dynamic response charac- teristics of a good,simple control grid current waveform.