reference vector meaning in English

参考向量

The control tactics of space voltage vector are investigated , and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward . by analyzing the current hysteresis control , the relation between switch frequency , and hysteresis bandwidth and input inductance of pwm rectifier is deduced . by applying instantaneous power theory , the principle of pwm rectifier power control is analyzed , and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized , and the simulation results prove that it is correct
对常用空间电压矢量控制策略进行分析，提出了给定参考矢量所在区间判断的简化方法，以及电压矢量作用时间的求取方法；分析了电流滞环控制策略，推导出开关频率与滞环带宽以及整流器输入电感之间的关系；应用瞬时功率理论分析pwm整流器功率控制原理，通过虚拟磁链估计有功功率和无功功率，用matlab实现了直接功率控制，并验证了该控制方法的正确性。