经近十年的运行经验分析得出该集控装置的主要缺点是继电保护联动，影响了电站的经济效益。
After operating for over 10 years, the major disadvantage of the installation is the frequent operation of the relay protection, which affects the economic benefits of the power station.
通过一起保护动作的分析，对于允许式光纤保护的联动条件、允许信号的产生过程进行了细致的分析。
With the investigation and analysis of a fault, this paper explains the operation of optical fiber permissive relaying protection and the course of sending permissive signal.
通过保护板的动作联动保护开关，实现断电与刹车。
The switch is protected through the linked action of the guard plate to realize the power cut and the brake.
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