摘要
电力线缆的选择是电源专业的重要课题。文章从系统的角度出发,针对电力线选型存在的问题,结合工程设计和通信电源专业的具体特点,提出交流电力线、直流电力线、接地线的选择依据。文中列出了直流电力线截面积的计算方法、常用交流电力线的安全载流量及其计算方法,并且结合实际给出接地系统的设计和接地线缆的选择方法,最后给出线缆布放注意事项和设计实例以供参考。
The selection of electrical power cable is an important topic for power professional.Aiming at the selection problem,and combined with characteristics in engineering design and power professional demands,this article proposes the selection on the basis of AC power line,DC power line,grounding line,then lists the area computational method of DC power line＇s cross-sectional,AC power line＇s safe current carrying capacity and the computational method commonly used.The location precautions and design examples are give based on grounding system＇s design and grounding line＇s choice method.
出处
《通信电源技术》
2011年第1期55-58,共4页
Telecom Power Technology
