关键词：综合自动化；交流操作；直流操作；二次接线；监控系统 [gap=600]Key words：integrated automation; AC operation; DC operation; secondary-wiring ; automation system ...
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AC operation thermocouple 交流工作温差电偶
AC-130 Operation Devastation 重装扫荡
DC- or AC-Coupled Operation 直流或交流耦合操作
AC-DC hybrid operation power network 交直流混合运行电网
At the same time, problems of the DC grounding system are valuable because it is not only significant in HVDC operation but also affects the AC system nearby.
同时，直流接地极关系着高压直流输电系统的安全运行，对于附近的交流系统也有影响，其中的一些问题也十分值得研究。
The paper analyzes the operation of electronic gear in the digital AC servo system, introduces the principle of the electronic gear.
文章分析了数字式交流伺服系统中的电子齿轮环节的作用，介绍了电子齿轮的基本原理。
AC vector inverter control, intelligent touch-screen operation.
交流矢量变频控制，触摸屏智能操作。
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