The power can output several kinds of welding current such as variable polarity square wave AC, DC and pulse current etc.
该电源可实现变极性方波交流、直流、脉冲电流等多种输出。
This paper deals with an AC servo system with permanent magnetic brushless motor driven by square wave current.
研究了方波电流驱动的永磁无刷电机交流伺服系统。
For sine wave, triangle wave, and square wave, the good performance of current output is proved by experiments.
经过实验验证，对于正弦波、三角波和方波，负载输出电流波形跟踪良好。
The wave shape measured indicates that the converter outputs the exact square pulse current with a peak in each front edge of pulse which is the benefit for arc stabilization.
讨论了获得脉冲电流的原理。实测波形显示，输出的矩形波脉冲电流非常精确，且带有前沿尖峰，有利于电弧的稳定。
The nonlinear load will draw a nonsinusoidal current, such as a square wave, which contains harmonic components.
非线性负载会形成非正弦电流，如方波，其中包含谐波成分。
Quality square wave power supply, current zero crossing time is short, arc stability, arc without high frequency stability.
优质方波电源，电流过零时间短，电弧稳定，无需高频稳弧。
High speed dual inverter to control the current wave form, very high arc stableability, high quality AC square wave, decrease the welding cost and increase the weld quality.
双重逆变高速控制电流波形，电弧稳定性极高，高品质矩形交流波，降低焊接成本，提高焊缝质量。
Oxide film in the expected tone of such color can be obtained by controlling current density, square—wave cycle period and number of the repetition cycles.
通过调节电流密度，方波周期和通电次数等可获得预期色调的着色膜。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control.
方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。
In this paper, the anti-scaling effect of EWP which used square-wave pulse current have been studied, the data show that the anti-scaling rate is 100% when the voltage is 2v.
文中对采用方波脉冲电流的电子水处理器的阻垢效果进行了研究。结果表明，当采用平均电压为2 V的方波脉冲电流时，对水样阻垢率达到100%，且能一定程度地降低水样的总碱度和总硬度。
The current-leakage protection technology of trolley network system based on asymmetric square-wave method;
本文叙述了煤矿井下直流架线电网漏电保护的原理及应用。
The current-leakage protection technology of trolley network system based on asymmetric square-wave method;
本文叙述了煤矿井下直流架线电网漏电保护的原理及应用。
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