The results show that available power and power input of water pump continuously decline with motor frequency reducing, and pump efficiency also decrease at the same time.
结果水泵有效功率和输入功率均随着电机频率的下降而不断降低，同时水泵效率也随着频率下降而降低。
Stable output voltage and input power factor is available by direct adjustment of the amplitude and phase angles of the control voltage for 4qs converter.
通过直接调节四象限变流器控制电压的幅值和相角，达到稳定输出电压和输入功率因数的目的。
The AD7764 also offers a low power mode, significantly reducing power dissipation without reducing the output data rate or available input bandwidth.
AD 7764还提供低功耗模式，可显著降低功耗，但不会降低输出数据速率或可用输入带宽。
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