CINRAD/SA雷达灯丝电源调试与故障判定  

Debugging and Fault Diagnosis of Filament Power for CINRAD/SA Radar

作　　者：舒毅 舒童 杨苏勤 李欣 张福贵[4] 

机构地区：[1]福建省泉州市气象局,泉州362000 [2]河南省焦作市气象局,焦作454000 [3]福建省泉州市晋江河道堤防管理处,泉州362000 [4]成都信息工程学院电子工程学院,成都610225

出　　处：《气象科技》2013年第4期620-625,共6页Meteorological Science and Technology

基　　金：中国气象局公益性行业(气象)科研专项(GYHY200906040)"新一代天气雷达测试与故障检测技术研究"资助

摘　　要：详细叙述了CINRAD/SA雷达灯丝电源控制电路的工作状态,分析了控制电路中脉宽调制器SG1525A的特性,调试了控制斩波器的脉宽调制电路和振荡器控制电路的关键测试波形,并对灯丝电源输出电压、灯丝电压保护和灯丝电流保护进行了分步调试。根据实际经验总结了在灯丝电源调试过程中出现的故障判定流程和故障排查、排除方法,旨在为雷达灯丝电源的故障处理提供参考和借鉴。The working condition of the filament power control circuit in CINRAD/SA Radar in is described in detail and the characteristics of the pulse width modulator control circuit SG1525A are analyzed. The debugging is conducted on the key waveforms which control the chopper pulse width modulation circuit and the oscillator control circuit, as well as the filament power supply output voltage and filament voltage and current protection step-by^step. The procedures and techniques of filament power fault diagnosis and troubleshooting are summed up based on actual experiences, to provide a reference for the troubleshooting of radar filament power supply failure.

关 键 词：新一代天气雷达 灯丝电源 脉宽调制器SG1525A 斩波信号和死区延时 故障判定 

分 类 号：TN959.4[电子电信—信号与信息处理]