It is very necessary to design an optical network self-healing system. So optical network auto switching protection system came into being.
针对光网络的故障特点，设计一种相应的网络自愈系统显得非常必要，因此，光网络自动切换保护系统应运而生。
It follows the operation pattern of substation system automatically and executes corresponding auto-switching scheme to ensure power supply continuous and reliable.
该装置能自动跟踪变电站系统的运行方式，执行相应的备自投方案，保证供电持续可靠。
Otherwise, the system switches manually. Switching time can't accord with the demand of engineering. How to improve auto-control system should be settled in the future.
另外，由于系统采用手动切换，导致切换时间不够准确，不能达到工程上的要求，如何对其自控系统进行改造成为今后要解决的问题。
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