XV.CONCLUSION
PD measurements enabled process of several statistical
parameters as signature for comparison in future. Analysis of
PD histograms recognizes root cause of discharges and
proposes remedial solutions. PD measurements on
40MW,11KV TG with PD Analyzer explored the status of
insulation of machine. The real PD data of TG is archieved as
base line for future assessment of healthiness of insulation.
Research on PD De-noising by WT is at experimental state
and will soon be effectively implemented on real machines.