three-phase AC的意思|示意

In order to solve the requirement of high precision equal phase in three-phase AC power supply, one AC power supply is designed based the traditional DDS technology.

针对某设备所需的三相电源相位精度要求高的特点，在传统DDS技术的基础之上，设计了一款高度对称的三相电源。

Three-phase synchronous generators are used for supplying simultaneous AC and rectified DC loads in ships.

在舰船上可利用三相同步发电机同时向交流负载和直流负载供电。

For three-phase asynchronous motor AC speed-adjustment system, this paper lays a strong emphasis on study of asynchronous motor AC speed-adjustment system consisted of dual-PWM converters.

针对三相异步电机交流调速系统，重点对由双端PW M变流器组成的异步电机的交流调速系统进行了研究。

Voltage detect of three phase AC, the warning of over-voltage, under-voltage, lost phase and power failure, two-way AC circuits switch full-automatically.

三相交流电压检测，过压、欠压、缺相、停电告警，全自动双路交流前换功能；

Subsequently, a novel controller for DC bus voltage regulation is put forward according to the small signal model based on the instantaneous power balance in AC and DC sides of three-phase SAPF.

然后根据交流侧和直流侧的功率平衡方程，推导了电压环的小信号模型。最后基于该模型设计了一种高动态性能的直流电压调节器。

The resulting voltage produced is sinusoidal or AC that can be configured to three-phase power usable with the national power grid.

产生的电压产生的正弦或交流，可以配置为三相电源与国家电网使用。