摘要
为了进一步简化SVPWM控制扇区判断及矢量时间的分配计算,文章针对三电平逆变器提出一种新型基于3D-SVPWM调制策略的简化调制策略。该策略直接由三相电压控制量计算出三相占空比,省去了参考电压矢量的扇区判断过程,极大地简化了运算过程。通过在Matlab/Simulink下进行仿真实验,验证了该简化策略能在保证输出性能的前提下,尽可能地优化计算过程,减小算法的复杂度。
In order to simplify the sector judgment and calculation of vector time,it proposed a new simplified SVPWM modulation strategy based on 3D-SVPWM method for three-level inverter.The new method can obtain three-phase duty cycle by three-phase voltage directly,and thus it omits the process of sector judgment,and greatly simplifies the operation process.By establishing the simulation model with Matlab/Simulink,it proved that the validity of the new simplified strategy which could really optimize the calculation process and reduce the complexity of the algorithm on condition that it ensured the output performance.
出处
《大功率变流技术》
2017年第1期9-12,共4页
HIGH POWER CONVERTER TECHNOLOGY
基金
江苏省高校自然科学基金(15KJD470003)
