摘要
介绍了一种基于STC89C52RC单片机的干式变压器智能控制器。分析了系统功能、原理及硬件电路。该控制器可同时检测3路温度,误差小于±0.5℃,现场运行稳定,用户可通过人机接口控制变压器冷却风机。
An intelligent temperature controller for dry-type transformer based on STC89C52RC was introduced.The function,principle and hardware of system were analyzed.The controller can inspect 3-channel temperature simultaneously,with error of measurement less than ±0.5 ℃ and stable operation.Users can operate the cooling fan of dry-type transformer by HMI.
出处
《低压电器》
北大核心
2009年第23期27-29,共3页
Low Voltage Apparatus
关键词
温度控制器
不平衡电桥
电压差
temperature controller
imbalance bridge
difference of voltage
