On-line standby method and device for transformer substation secondary equipment controlled by soft pressing plate
A technology for secondary equipment and backup devices, applied in circuit devices, electrical components, etc., can solve problems such as insufficient use of intelligent substations and lack of research on online backup methods of secondary equipment, and achieve controllability and operability. The effect of improving self-healing ability and shortening recovery time
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Embodiment 1
[0044] Taking backup of two secondary devices as an example to illustrate the online backup method of secondary devices, the secondary device in normal operation is hereinafter referred to as "main device", and the standby secondary device is hereinafter referred to as "standby device".
[0045] The backup equipment sets the number of soft pressure plates according to the number of backup functions. In the case of two standby devices, set three soft platen positions, which are respectively "standby platform platen", "main equipment 1 platen" and "main equipment 2 platen".
[0046] When the main equipment is in normal operation, the "standby platform pressure plate" in the standby equipment is put into operation, and the other two pressure plates are withdrawn. The standby equipment is running on the status of the monitoring platform. Switching status of each platen.
[0047] When an abnormal alarm that affects the protection action occurs on the main device, the backup functi...
Embodiment
[0077] In order to realize the present invention, a 110kV transformer protection measurement and control device is taken as an example to verify the realization method described in the present invention. In the 110kV substation, a set of 110kV transformer main-backup integrated protection measurement and control device based on direct mining and direct jumping is configured to realize the transformer protection measurement and control function. When the two sets of equipment are running, they are connected to the management module of the station control layer, and the standby equipment and the main equipment exchange equipment operation status information through the process layer network switch at the same time. Its system configuration is as follows image 3 shown.
[0078] The main equipment includes segmental intelligent unit, 110kV inner bridge intelligent unit, 110kV line intelligent unit, transformer intelligent unit and low-voltage side intelligent unit, and the backu...
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