Comtrade Viewer

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Tap Open Record to load a COMTRADE (.cfg + .dat or .cff), Beckwith OSC, ATP/EMTP PL4, SEL CEV or EVE record, a SEL multi-event .evzip archive, or a plain .zip holding any mix of supported records.

Or try a sample record

Double-ended, incremental quantities. Needs a record from each end of the line.

P
RX
A
B

Fault Locate

EXPERIMENTAL

Double-ended fault location

Locates a fault from records captured at both ends of the line, using incremental (delta) quantities in the time domain. The three phase-to-phase loops are solved together, so no faulted loop has to be selected and the zero-sequence impedance is never used.

Results are experimental and must be independently verified before any operational use.

Local terminal

Remote terminal