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THE APPLICATION OF GEOGRAPHIC INFORMATION
SYSTEM FOR THE DISSOLVED GAS ANALYSIS OF MEA’S
SUBSTATION TRANSFORMERS
Pechet Kunagonniyomrattana Kan Phruksavanasaka Wasawat Sukrung
Topics
• MEA GIS • DGA Solution • DGA Ordinary Method • DGA Web Application • Conclusion
Base-Map - Ortho Photo - Surveying
MEA GIS Data
Base-Map - Ortho Photo - Surveying
Underground Structure - Surveying - Digitizing
MEA GIS Data
Base-Map - Ortho Photo - Surveying
Underground Structure - Surveying - Digitizing
Distribution System - Surveying
MEA GIS Data
Base-Map - Ortho Photo - Surveying
Underground Structure - Surveying - Digitizing
Communication - Digitizing
Distribution System - Surveying
MEA GIS Data
MEA Base-Map Map Classify Meter Pole + Conductor +
MEA GIS Data
• DGA – Dissolved Gas Analysis is an effective means that becomes popular in the diagnosis of abnormality of power transformer without power off or load shedding
DGA Solution
DGA Solution
Reference :!http://www.netaworld.org/sites/default/files/public/neta-journals/NWwtr09_Hamrick.pdf!
DGA Solution
Reference :!http://www.netaworld.org/sites/default/files/public/neta-journals/NWwtr09_Hamrick.pdf!
DGA Ordinary Method
DGA Ordinary Method
• PDF off-line file
DGA Ordinary Method
• PDF off-line file • No coordinate or location
DGA Ordinary Method
• PDF off-line file • No coordinate or location • Difficult to search or update data
DGA Ordinary Method
• PDF off-line file • No coordinate or location • Difficult to search or update data • No reports
DGA Ordinary Method
DGA Web Application
Database Server • MEA DB – Main MEA’s GIS Database
o Land bases o Landmark points o MEA’s distribution equipment
DGA Web Application
Database Server • MEA DB – Main MEA’s GIS Database
o Land bases o Landmark points o MEA’s distribution equipment
• Portal DB – web application database o Substation transformer DGA test result
DGA Web Application
Web Map Server • Web Map Service (WMS) – view only
o Land base o Landmark Point
DGA Web Application
Web Map Server • Web Map Service (WMS) – view only
o Land base o Landmark Point
• Web Feature Service (WFS) – view/editable o Substation transformer’s DGA test result
DGA Web Application
• DGA Condition Web Application • DGA Input Data Web • DGA Report Web
DGA Web Application
Web Overview
The overview of the service conditions of all the power transformers located on the Map !
Transformer Detail
Details of the latest DGA diagnosis of the transformer TX-3 !
Input Data Web
The web page for data entry
Report
The DGA Report Web by Transformer!
Report
The DGA Report Web by Condition , Manufacturer , etc.!
Conclusion • Online web map application
Conclusion • Online web map application • With GPS coordinates
Conclusion • Online web map application • With GPS coordinates • Data management
Conclusion • Online web map application • With GPS coordinates • Data management • Back up data policy
Conclusion • Online web map application • With GPS coordinates • Data management • Back up data policy • Report for preventive maintenance planning
Thank You for Attention ขอบคุณครับ
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