10KV station electric control system of convertor station adopting selecting 2 from 3 logic
A technology for controlling system and station power consumption, which is applied in general control system, control/regulation system, computer control, etc., and can solve problems such as power outage accidents in the whole station
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[0042] for figure 1 , 2 As shown in the traditional 10KV control system structure, the monitoring function of the 10kV station power consumption is completed by an ASI host, a PS830 board and some I / O interface boards. They are all single systems without redundancy.
[0043] The ASI host is mainly responsible for the following tasks: Provide 10KV switch, knife switch, and ground knife remote opening and closing command interface; provide 10KV switch, knife switch, and ground knife status monitoring;
[0044] The PS830 board is responsible for the following tasks: the backup automatic switching logic of the 10KV switch; the operation interlocking logic of the 10KV switch;
[0045] PS851 board is responsible for switching signal acquisition;
[0046] PS853 board is responsible for switching signal output.
[0047] In the above system, the ASI host is only responsible for human-computer interaction, which is used to provide operators with an interface for monitoring equipment status and is...
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