Digitlization transformer station secondary device monitoring and analysis system

Abstract

The present invention discloses a digitlization transformer station secondary device monitoring and analysis system. The system comprises a plurality of digitlization transformer station secondary devices, a station control layer device, a total monitoring unit module and an analysis alarm module. Each secondary device comprises one intelligent operation box, one merging unit, one protection and automatic device and one communication device. The total monitoring unit module comprises intelligent operation box monitoring modules arranged in the operation boxes, merging unit monitoring modules arranged in the merging units, protection and automatic device monitoring modules arranged in the protection and automatic devices and communication device monitoring modules arranged in the communication modules. The secondary devices are connected with the station control layer device through a network message record connection device, and the analysis alarm module is connected with the network message record connection device, the total monitoring unit module and the station control layer device. The digitlization transformer station secondary device monitoring and analysis system can perform large-range monitoring and is high in monitoring accuracy; and moreover, the digitlization transformer station secondary device monitoring and analysis system is provided with a fault analysis system to greatly reduce the burden of manual fault analysis.

Description

technical field [0001] The invention relates to the technical field of intelligent substations, in particular to a digital substation secondary equipment monitoring and analysis system. Background technique [0002] A digital substation is a modernized substation that is constructed by layers of intelligent primary equipment and networked secondary equipment. It is based on the IEC61850 standard and communication specifications. Replaced by photoelectric digital and optical fiber, some technologies and devices in the current power system have actually more or less involved in state monitoring. The main monitoring objects are important power equipment in power plants and power systems, although they can play a certain role. The purpose of condition monitoring, but the existing monitoring system has a small monitoring range and low accuracy, and cannot fully meet the requirements of digital substation condition monitoring, and the existing monitoring system lacks fault analysi...

AI Technical Summary

Problems solved by technology

[0002] A digital substation is a modernized substation that is constructed by layers of intelligent primary equipment and networked secondary equipment. It is based on the IEC61850 standard and communication specifications. Replaced by photoelectric digital and optical fiber, some technologies and devices in the current power system have actually more or less involved in state monitoring. The main monitoring objects are important power equipment in power plants and power systems, although they can play a certain role. The purpose of condition monitoring, but the existing monitoring system has a small monitoring range and low accuracy, and cannot fully meet the requirements of digital substation condition monitoring, and the existing monitoring system lacks fault analysis functions, which increases the burden of manual fault analysis , so now there is a need for a digital substation secondary equipment monitoring and analysis system, which can not only implement monitoring on a large scale, but also has high monitoring accuracy, which can meet the requirements of digital substation status monitoring. It reduces the burden of manual fault analysis, and can provide relevant data support for other advanced applications such as condition-based maintenance systems and life-cycle cost management of digital substations established on this basis

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