Research On Online Monitoring Parameter Identification And Typical Fault Criterions Of Transformation Equipment In Hebei Southern Power Grid

Online monitoring technology as a important equipment detection method gets rapid expansion,along with the continuous improvement of science and technology. Taking data access of on-line monitoring platform about transformation equipment belong to Hebei Electric Power Corporration as the background, the article makes a detailed induction on monitoring platform about transformation equipment in Production Management information System. And through making the research on online monitoring parameter identification and typical fault criterions, the article also establishes theoretical basis for improving using effects and operation reliability of on-line monitoring device, giving full play to the role of the monitoring device, and ensure the safe and stable operation of transformation main equipment.Because the on-line monitoring platform of transformation equipment in hebei southern power grid has been relatively mature, so the article firstly makes a introduction and main function display about the overall architecture, the functional framework, and the main design principle, in order to providing reference for the construction of online monitoring platform and data access of all kinds of power transmission state monitoring.Due to various reasons, there are large fault data uploading presently in online monitoring platform. This article makes the research on everal kind of typical on-line monitoring device data,and find out the cause of frequent fault of the on-line monitoring device data. At the same time, the article makes further research on parameter identification of on-line monitoring, through bringing in evaluation criteria of online monitoring data, and considering the basic principle of monitoring device and overall using effect of the monitoring device.It is difficult hard for the dispatch and monitor to determine if the equipment do exist safety trouble, only using the uploading data from the on-line monitoring device, except with the strict judgment standard as a reference. The article makes research and analysis about typical diagnosis of online monitoring criterion, according to technical standards, regulations and management system of the state, industry and the State Grid. Then the article determines the normal range of the parameters, the early warning value and the alarm value, considering the basic principle and the typical cases for various types of monitoring. Finally, the alarm references of centralized monitoring in online monitoring system are given.