可充电便携式电流发生器的研制与应用  

Development and Application of Rechargeable Portable Current Generator

作　　者：周歧林 刘秦铭 王兴南 徐潘宇驰 孙沛瑶 Zhou Qi-lin;Liu Qin-ming;Wang Xing-nan;Xu Pan-yu-chi;Sun Pei-yao

机构地区：[1]广东电网责任有限公司广州供电局,广东广州510000

出　　处：《电力系统装备》2020年第11期193-194,共2页Electric Power System Equipment

摘　　要：文章阐述了一种适用于电力系统变电二次检修工作中对于DTU调试的可充电便携式电流发生器。该发生器能取代继电保护仪,利用交直流整流技术提供0~20A直流电流输出,实现220V电源外接供电及充电电池供电两种供电形式。有效满足DTU的基本调试功能,可自由选择量程范围,能用于DTU调试工作以及维护过程中检测遥测功能、故障越上限功能是否正常。装置具有便携可靠、通用性强等特性,能为相关检修工作提供必要的技术支持。This article describes a rechargeable portable current generator suitable for DTU debugging in the secondary overhaul of power system substations.The generator can replace the relay protection device,using AC and DC rectifi cation technology to provide 0-20A DC current output,to achieve 220V power supply external power supply and rechargeable battery power supply.It can effectively meet the basic debugging function of DTU,and can freely select the range of the range.It can be used to detect whether the telemetry function and fault over-limit function are normal during DTU debugging and maintenance.The device has the characteristics of portability,reliability and strong versatility,and can provide the necessary technical support for related maintenance work.

关 键 词：可充电 便携式 电流发生器 

分 类 号：TM910.6[电气工程—电力电子与电力传动]