10 kW中波广播发射机电源故障分析研究  

Analysis and Research on Power Failure of 10 kW Medium Wave Broadcasting Transmitter

作　　者：多吉次仁 DUOJI Ciren(Radio and Television Bureau of Tibet Autonomous Region,Ritu Zhongbo Broadcasting Station,Alibaba 859700,China)

机构地区：[1]西藏自治区广播电视局日土中波转播台,西藏阿里859700

出　　处：《数字通信世界》2023年第8期108-110,113,共4页Digital Communication World

摘　　要：10kW中波广播发射机是一种重要的通信设备,用于广播电台的信号发射。电源是发射机的关键部件之一,为发射机提供必要的电能,若电源出现故障,将会对发射机的运行产生重大影响。文章针对10 kW中波广播发射机电源故障进行研究分析,首先介绍了10kW中波广播发射机的工作原理和电源系统的基本结构;然后,分析了电源系统存在的主电源相序故障、主电源缺相以及主电源过压等故障类型,根据不同类型故障检测电路图对故障的生成原因和处理方法进行了分析总结,并提出了相应的解决方案和建议,以期为10 kW中波广播发射机的运行和维护提供参考和借鉴。10 kW medium wave broadcast transmitter is an important communication equipment,which is used for the signal transmission of broadcasting stations.The power supply is one of the key components of the transmitter,which provides the necessary electric energy for the transmitter.If the power supply fails,the operation of the transmitter will be greatly affected.this paper studies and analyzes the power failure of 10 kW medium wave broadcast transmitter.Firstly,it introduces the working principle of 10 kW medium wave broadcast transmitter and the basic structure of the power supply system.Secondly,it analyzes the fault types of the main power supply phase sequence fault,the main power supply phase deficiency and the main power supply overvoltage.According to different types of fault detection circuit diagram,the causes of fault generation and treatment methods are analyzed and summarized,and the corresponding solutions and suggestions are put forward,in order to provide reference for the operation and maintenance of 10 kW medium wave broadcast transmitter.

关 键 词：中波广播发射机 电源故障 分析研究 

分 类 号：TN934[电子电信—信号与信息处理]