FPGA技术在核电厂保护系统中的应用

Study on FPGA Application in the Protection System of Nuclear Power Plants

核电厂反应堆保护系统广泛采用CPU技术进行开发,使得保护系统中包含操作系统和应用软件等中间环节,增加了其出现共模故障的概率,降低了其可靠性和安全性。通过比较FPGA(现场可编程逻辑门阵列)技术与CPU技术的差异,阐明采用FPGA技术开发保护系统的优势。在此基础上,提出了基于FPGA的反应堆保护系统的开发流程,总结了测试和验证过程中的注意事项,对新一代保护系统的设计及应用具有重要的参考价值。

The reactor protection system in nuclear power plant is developed basecl on the CPU in general. It increases the likelihood of common cause failure and decreases reliability and safety of nuclear power plant since the protection system includes the operating system and the application software and so on. The different between the FPGA and the CPU is presented to illustrate the advantage of FPGA in the protection system. In addition, the critical processes am proposed to develop the reactor pint.ion system based on FPGA. The important instructions are also summarized to test and verify the pint.on system based on FPGA.