励磁系统是水轮发电机组的重要组成部分,其特性的好坏直接影响到同步发电机运行的可靠性和稳定性;随着数字技术不断进步,微型计算机技术及微电子技术的飞速发展和日益成熟,数字化技术不同程度地应用于各类励磁装置中。微机励磁装置已经成为各类老机组设备改造和新机组设备选型的必然结果。 Excitation system is an important component of hydroelectric generating set, its characteristics directly affect the reliability and stability of synchronous generator operation; With the continuous improvement of digital technology, micro-computer technology and the rapid development of microelectronics and increasingly Mature, digital technology to varying degrees, used in various types of excitation device. Microcomputer excitation device has become the inevitable result of all kinds of old unit equipment modification and new unit equipment selection.