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1·Three-phase current should be used for large motors.

大型电动机应当使用三相交流电。

2·A new three-phase current source rectifier (CSR) topology and its multi-bridge parallel technique are studied in the paper.

研究了一种新的三相电流型PWM整流器(CSR)的拓扑结构及其多桥并联技术。

3·The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.

三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。

4·The system also includes a switch control circuit to switch the MOSFET switches in synchronization with the three-phase current flow.

本系统还包括开关控制电路，用于与三相电流同步切换MOSFET开关。

5·For future fault diagnosis and troubleshooting, the working voltage and the three-phase current can be preserved when the oil-extractor has fault.

该设备还可将出现故障时的工作电压、三相电流值保存下来，作为日后故障诊断及故障排除的依据。

6·Because the bank adopts late-model components, high power density, it has not red-hot phenomena. It is pure resistive load and three-phase current balance.

本机采用新型功耗组件，功率密度高，无红热现象，为纯阻性负载，三相电流平衡。

7·It can be concluded from the result that the real waveform of the three-phase current and voltage can be reverted to the host by the data sampled by the sampler.

结果显示，被采集的数据在主机上显示的波形能够充分还原三相电压和三相电流的实际波形。

8·Finally, according experimental result, designed the three-phase current balance loop. The experimental results shows that the current balance is significant improved.

最后针对实验中遇到的三相电流不平衡问题设计了电路的电流平衡环路，实验结果表明三相电流的平衡性得到明显改善。

9·KIWA synthetic power saver with his unique structure form eliminates higher harmonic of the electrical network by way of the balance in adjusting three-phase current and voltage.

KIWA综合节电装置以其独特结构形式，通过调整三相电流和电压的平衡，消除电网高次谐波。

10·The key points of the iec method for calculating the short circuit current and its heat effect of a three-phase current system are described and elucidated specifically by examples.

介绍iec三相交流系统短路电流计算方法的重点和短路电流热效应计算，并用例题介绍其具体使用情况。