8–8 845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
HISTORICAL MAXIMUM RECORD CHAPTER 8: TRANSFORMER M&D
Historical Maximum Record
The Historical maximum record consists of lifetime operational maximum values along
with a time stamp of the parameter.
Transformer Health Report
The Transformer health report gives an executive summary on transformer operational
data within a user-selectable date/times range in the form of a PDF report. The health
report PDF consists of report data, online DGA status, nameplate data, energization
summary, protection events summary, key learned data parameter trends, historical
maximum data, DGA data and DGA models based on the 845
order code.