研究了方波电流驱动的永磁无刷电机交流伺服系统。
This paper deals with an AC servo system with permanent magnetic brushless motor driven by square wave current.
负载侧输出为低频方波电流，有效克服了MH灯声共振现象。
The output current is operated at low-frequency square to prevent the acoustic resonance for MH lamps.
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。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control.
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。
For sine wave, triangle wave, and square wave, the good performance of current output is proved by experiments.
本着节约材料和减少能源消耗的目的，对新型方波交流TIG焊电源电流的调节电路进行了详细的分析与设计。
For the purpose of economizing on raw materials and reducing consumption, the detailed analysis and design of the regulating circuit of TIG electric welder have been presented in this article.
非线性负载会形成非正弦电流，如方波，其中包含谐波成分。
The nonlinear load will draw a nonsinusoidal current, such as a square wave, which contains harmonic components.
优质方波电源，电流过零时间短，电弧稳定，无需高频稳弧。
Quality square wave power supply, current zero crossing time is short, arc stability, arc without high frequency stability.
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。
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.
本文研究了准可逆过程的方波伏安法和作者提出的循环方波伏安法，建立了电流函数理论表示式。
A theoretical and experimental investigation of quasi-reversible electrode processes using square wave voltammetry, especially with cyclic voltammetry, is described.
根据长电弧电压电流波形，建立了电压方波电弧的理想电压电流转移特性曲线和对应的电弧等效模型。
According to the voltage and current waveforms of arc, an ideal voltage current transform characteristic curve and an equivalent circuit representing for long arc have been described in this paper.
恒电位方波、恒电流阶跃和动电位扫描极化阻力测试与电化学阻抗谱测试结果一致。
The result of polarization resistance of square wave, galvanic step and potential scan are according to the result of the electrochemical impedance spectrum.
该电源可实现变极性方波交流、直流、脉冲电流等多种输出。
The power can output several kinds of welding current such as variable polarity square wave AC, DC and pulse current etc.
采用电化学方法和阳极消耗率评价法研究了高硅铸铁阳极在方波脉冲电流作用下的电化学性能。
The electrochemical performance of High Silicon-Iron Anodes Exerted by Square Wave Pulsed Currents (SWPCs) was studied by electrochemical.
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2V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。
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.
开发了变极性TIG焊电源的微机控制系统，通过调节输出电流的正负半波时间、幅值获得不对称方波。
The controlling system of the variable polarity power source for TIG welding by microprocessor-80C552 is developed with flexible setting time and scope of the DCEP and DCEN.
开发了变极性TIG焊电源的微机控制系统，通过调节输出电流的正负半波时间、幅值获得不对称方波。
The controlling system of the variable polarity power source for TIG welding by microprocessor-80C552 is developed with flexible setting time and scope of the DCEP and DCEN.
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