摘要
随着变频控制系统的广泛应用 ,起重机的接地与接零、三相三线制与三相四线制供电等成为颇有争议的问题 ,正确认识和处理这些问题 。
With the wide applications of the frequency change system in cranes, the ground connection or null line connection and the supply of three phases with three lines or four lines have been the conflict problem. Correction for these questions can decrease the interferences and the corresponding faults in the frequency changed cranes.
出处
《港口装卸》
2003年第5期32-35,共4页
Port Operation
