CHAPTER 8: TRANSFORMER M&D ENERGIZATION RECORDS
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL 8–5
Energization Records
The Transformer Energization record is generated by the 845 relay for every successful
transformer energization event. The energization record can only be retrieved using
EnerVista 8 Series Setup
software. Six of the latest energization records are supported by
the 845
relay based on the FIFO concept.
Each energization record contains:
• Transient record data with 10 cycles of user configured energization winding source
voltage, and current waveform data of each phase sampled at 64 samples/cycle
• Computed energization parameters through data captured in the metering module
from the initial 10 cycles of captured raw data during an energization event and
downsampling this data to 64 samples/cycle.
• The latest available calculated, measured or monitored values for the selected
winding source after successful energization.
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