The control system is made of double closed loops: the inner current loop and the outer temperature loop, and satisfies the EAF's temperature need and three phase current balance.
采用温度控制外环和电流平衡控制内环的双闭环结构实现电弧炉温度和电极三相电流平衡的智能集成控制。
Through measuring three-phase current of low voltage at user side and handling by specific algorithm, TA ratio of HV measuring can be accurately judged whether is consistent with data plate.
通过测量用户低压侧三相电流相量，通过特定的算法处理，准确判定用户高计TA的实际变比是否与铭牌一致。
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。
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。
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。
This paper states a detecting method for defect of three-phase current motor and it also introduces the experimental analysis result and practice utilization condition of this detecting method.
本文阐述了对三相交流电动机故障的一种检测方法，并介绍了该检测方法的实验分析及现场应用情况。
Three-phase current should be used for large motors.
大型电动机应当使用三相交流电。
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。
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。
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。
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。
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