This paper studies the simple method for detecting cable faults. With this method, the difficulties in "DC bridge" method and "Pulse" method can be overcomed.
本文研究的探测电缆故障的简易方法可克服直流电桥法和脉冲法的不足之处。
In accordance with the characteristics that resonant DC link inverter should adopt discrete pulse modulation, we propose a novel method of soft SPWM waveform synthesis.
针对DC谐振直流环节逆变器须采用离散脉冲调制的特点，提出了一种新型软化SPWM波形合成方法。文中给出了软化SPWM波形合成基本原理、合成方法及实现电路。
The paper introduced a method that using SIMOREG DC-MASTER 6RA70 rectifying device to realize 12-pulse serial rectification technology and then realize DC speed-regulation control of hoist.
文章介绍了采用西门子SIMOREG DC-MASTER 6RA70整流装置实现12脉动串联整流技术、进而实现提升机直流调速控制的方法，并给出了12脉动串联整流驱动参数的设置。
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