DTU备用电源的设计与研究  

Design and Research of the DTU Backup Power

作　　者：孙广涛[1] 曹善军 翟贺鹏 郑晓果 李燕燕[1] 郅娇娇 SUN Guang-tao;CAO Shan-jun;ZHAI He-peng;ZHENG Xiao-guo;LI Yan-yan;ZHI Jiao-jiao(XuJi Group Corporation,Xuchang 461000,China)

机构地区：[1]许继集团有限公司,河南许昌461000

出　　处：《通信电源技术》2020年第7期32-34,共3页Telecom Power Technology

摘　　要：针对站所终端(DTU)备用电源设计了超级电容充放电控制电源,通过对充放电控制电源和超级电容各项参数的计算与选择,详细分析了超级电容充放电原理,实现输出电压纹波10%、充电电流纹波1%,实现了主备电源无缝切换,提高了站所终端设备的运行稳定性,可为配网自动化终端设备后备电源的设计与应用提供参考。The super capacitor control power supply is designed for the DTU backup power.By calculating and selecting the parameters of control power supply and super capacitor,the principle of super capacitor is analyzed to realis the output voltage ripple is 10%and the charge current ripple is 1%.The seamless switching of main and standby power supply is realized,and the operation stability of terminal equipment of DTU is improved,which can be used as distribution network Design and application of backup power supply for distribution terminal unit.

关 键 词：BUCK电路 备用电源 DTU 开关电源 

分 类 号：TM46[电气工程—电器]