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。
According to the current situation and prospect of applying OET in substation automation, the opinion of digital electro-optical secondary circuit is given out.
随着光耦元件在综合自动化变电站二次设备中的广泛应用，其工作特性也需要引起特别关注。
Along with the extensive application of optocoupler element in the secondary equipment of integrated automatic substations, its operating characteristic also needs much attention.
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。
The communication of substation secondary circuit is being transformed from metal cable analog mode to optic-electric digital mode.
公司拥有一批多年从事变电站二次设备研制、开发、生产、管理的专业技术人员。
The company has a number of substation secondary equipment for many years engaged in research, development, production, management, professional and technical personnel.
变电站直流电源是变电站非常重要的一种二次设备，其性能和质量的好坏直接关系到电网的稳定运行和设备安全。
DC power is a very important secondary equipment in substation, its performance and quality will have a direct bearing on the stable operation of power grids and safety equipment.
电力操作电源是发电厂、变电站中重要的二次设备，为控制负荷与动力负荷提供直流电源。
As important devices, power operating supplies provide DC power for loads in power plants and substations.
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。
The electric secondary AC circuit detection method can check secondary circuits such as the transformer and the bus differential protection of a transformer substation.
为了提高变电站二次系统的设计与管理水平，研究了基于IEC 61850标准的数字化变电站二次系统精细化管理模型。
To improve the design and managing level of the digital substation secondary system, a refined management model for digital substation secondary system based on IEC61850 is studied.
设计只对变电站电气一次部分做了较为详细的理论设计，而对其电气二次部分并没有涉及。
Design that the electricity once part has been used for comparatively detailed theory design only to the transformer substation, not relating that but to whose electricity repeated part.
分析了变电站中存在的杂散电容及其对变电站二次控制回路的影响，计算出二次回路中杂散电容的动作电容值。
Analyze the substation's stray capacitance and its influence on the secondary circuit and obtain the action scope of the stray capacity.
变电站综合自动化替代了变电站常规二次设备，简化了变电站二次接线。
Integrated substation automation replaces the conventional substation secondary equipment, simplifying the substation secondary wiring.
变电站综合自动化替代了变电站常规二次设备，简化了变电站二次接线。
Integrated substation automation replaces the conventional substation secondary equipment, simplifying the substation secondary wiring.
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