SX421自动电压调节器原理及其应用

The principle of SX421 automatic voltage regulator and its application

介绍和分析了SX421自动电压调节器的结构和原理,在此基础上,本文将其应用于发电机组励磁调压系统。实验结果表明,采用SX421自动电压调节器对励磁系统进行改进,可简化系统线路的复杂性,能改善励磁调压系统的性能,提高系统的可靠性,降低励磁调压系统的故障率。

On the basis of introducing the structure and analyzing the principle of SX421 automatic voltage regulators, this paper applies them to the generating unit excitation voltage system. Experimental result of using the SX421 automatic voltage regulators shows that it can simplify the circuitry of system, improve the performance, increase the reliability and reduce the rate of the excitation voltage system.