secondary circuit of substation 变电所二次回路
The communication of substation secondary 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。
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。
The electric secondary AC circuit detection method can check secondary circuits such as the transformer and the bus differential protection of a transformer substation.
本发明可实现对变电站的变压器、母差保护等二次回路的检验。
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