CAJ | 학술논문

在恒定环宽滞环电流的基础上，针对开关频率大范围变化，提出模糊控制变环宽的方法，来控制光伏并网逆变器，以此使开关频率下降．利用MATLAB进行仿真，搭建了可调滞环宽度模块，仿真结果表明：加入模糊控制后开关频率大范围下降，谐波失真小，逆变器输出波形稳定，达到了预期的控制效果．
재항정배관체배전류적기출상，침대개관빈솔대범위변화，제출모호공제변배관적방법，래공제광복병망역변기，이차사개관빈솔하강．이용MATLAB진행방진，탑건료가조체배관도모괴，방진결과표명：가입모호공제후개관빈솔대범위하강，해파실진소，역변기수출파형은정，체도료예기적공제효과．
Based the current of hysteresis loop at a constant wide, according to the switching frequency var- iation for a wide range, fuzzy control at the variable ring wide method was proposed to control the photo- voltaic grid inverter and decrease the switching frequency. According to the MATLAB simulation, the ad- justable hysteresis width module was built. The simulation results show that fuzzy control led to the de- cline of the switching frequency in a wide range. Due to the small harmonic distortion, the waves from in- verter output were stable and achieved the expected effect of control.