| 熊 刚, 谢利理 |
（西北工业大学 自动化学院， 陕西 西安 710072） |
 摘要：论述了一种基于单片机和复杂可编程逻辑器件（CPLD）的继电保护校验仪的原理及实际电路设计。阐述了CPLD的编程技巧和仿真。应用结果表明，该系统运行稳定可靠，数据传送实时性强，具有一定的实用性和推广价值。 |
| 关键词：CPLD;单片机;继电保护校验仪 |
| 中图分类号：TP332 文献标识码：B 文章编号：1000-8829(2009)03-0010-03 |
| Analysis and Design of Relay Calibrating Instrument Based on CPLD |
| XIONG Gang, XIE Li-li |
| （School of Automation,Northwestern Polytechnical University,Xi’an 710072，China） |
| Abstract：Based on microcontroller and CPLD，the practical application and the actual circuit design are demonstrated in relay calibrating instrument.The simulation and the skills of the CPLD programming are explained.The application results show that the operation is stable and reliable,with strong real time performance in data transmission,and has a certain extent practicality and the promotion value. |
| Key words：CPLD;microcontroller;relay calibrating instruments |
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