In order to improve the power supply reliability of substation in oilfield,the one-key sequential control technology for switching in substation was studied and applied.The difference between traditional sequential control and one-key sequential control was introduced,the transform of software and hardware for one-key sequential control was analyzed,and the on-site application of one-key sequential control was carried out.After one-key sequential control transform,the equipment operation convenience and power supply reliability were improved.
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