超速保护控制单元(OPC)的最初目的是预防汽轮发电机组超速，避免机组转速超过110%额定转速而使汽机跳闸。此外在电力系统故障甩去部分负荷时，帮助提高电力系统的稳定性。这要依靠以下三个功能来实现：中压调门快关功能(CIV-CLOSE INTERCEPTOR VALVES)；负荷下跌预测功能(LDA-LOAD DROP ANTICIPATION)；超速保护控制功能(OPC-OVERSPEED PROTECTION CONTROL)
OPC Overspeed protection CONTROL 超速保护控制 ; 超速保护 overspeed protection control 超速保护控制 train overspeed protection 超速防备保护 ..
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应用仿真软件EUROSTAG的模块自定义功能建立了带有超速保护的调速系统模型，通过仿真研究了超速保护控制对电力系统安全稳定的影响。
Using the software EUROSTAG, overspeed protection control model was set up and the effect of OPC on power system security and stability was researched.
采用微机控制、数字显示、无刷电机、可编程操作，设有门盖、超速等保护功能。
Adopt computer controlling, digital display, not brushes the electrical machinery, can be programmed and operated, there is the door that overlays, overspeeds etc. and protects the function.
产品说明微机控制，无刷电机驱动，数字显示，触摸面板，配有电子门锁，设有门盖自锁，超速等保护功能。
It's controlled by microcomputer with touching panel and digital display. It's direct driven by brushless motor without pollution. The electronic lock lid is designed for safe operation.
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