Also, optimized SAPWM modulation wave has been utilized, improving the utility ratio of DC voltage and restraining effectively the output harmonic current of inverter.
并采用优化的SAPWM调制信号，提高了直流电压的利用率，并能有效地抑制逆变器输出的谐波电流。
First, the topology of the inverter and different output voltage level numbers in the situation of different voltage value ratio of two DC power supplies are analyzed.
文章中首先分析了逆变器的拓扑结构以及在直流端电压比不同的情况下的输出电平数。
By analyzing the basic principle of voltage space vector pulse width modulation (SVPWM), it is proved that the dc voltage utilization ratio of SVPWM is the highest.
在分析电压空间矢量调制(SVPWM)基本原理的基础上，证明了SVPWM具有最大的直流电压利用率。
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