According to the current situation and prospect of applying OET in substation automation, the opinion of digital electro-optical secondary circuit is given out.
结合光电传感器在变电站自动化系统中的应用现状和前景，提出了二次回路光电数字化的设想。
2
The communication of substationsecondary circuit is being transformed from metal cable analog mode to optic-electric digital mode.
变电站二次回路通信从金属电缆模拟通信方式逐步转变为光电数字化通信方式。
3
The company has a number of substationsecondary equipment for many years engaged in research, development, production, management, professional and technical personnel.