To guarantee the reliability and security of the steel construction, the clampload of the joint bolt should be under strict control, sometimes even the tension of the bolt should be measured on-line.
为确保钢结构工程的可靠性和安全性,必须严格控制连接螺栓的预紧力,必要时还要在线监测螺栓工作应力。
2
Because the clamp effect of DC voltage source, AC side output the rectangular wave voltage waveform, and it has nothing to do with the load impedance Angle.