Sequence control method of intelligent substation protection device based on operation task and system
A technology for smart substations and protection devices, applied in emergency protection circuit devices, circuit devices, information technology support systems, etc., can solve problems such as error-prone, low work efficiency, and less research on the operation sequence control of protection devices.
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example 1
[0115] Example 1: 220kV line A set of line protection PCS-931 protection equipment state judgment pressure plate set:
[0116] All soft pressure plates of A set of line protection devices (excluding A set of busbar protection Qiyuan jump soft pressure plates) and hard pressure plates for device maintenance;
[0117] A set of merging unit device maintenance hard pressure plate;
[0118] A set of intelligent terminal device maintenance hard pressure plate;
[0119] In the busbar protection device of A set, the failure of the branch circuit is driven into the soft pressure plate and the SV current is driven into the soft pressure plate;
[0120] B set of line protection reclosing outlet soft pressure plate.
example 2
[0121] Example 2: 220kV A set of busbar protection PCS-915 protection equipment state judgment pressure plate set:
[0122] All soft pressure plates of A set of busbar protection devices (excluding all branch circuit failure input soft pressure plates and SV current input soft pressure plates) and hard pressure plates for device maintenance;
[0123] A set of voltage merging unit device maintenance hard pressure plate;
[0124] A set of busbar protection Qiyuanju soft pressure plate for all line branches;
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