Free to Use

Tools

Name: Covenant Systems
Address: US
Price range: $$

Utilities we built for our own engineering work and made available at no cost. They run entirely in your browser — no account, no install, and nothing you load ever leaves your machine.

Free

SEL Event Analyzer

Relay fault analysis in your browser

Analyze protective relay events without proprietary desktop software. Step through reference waveforms for single line-to-ground, line-to-line, double line-to-ground and three-phase faults, or load your own COMTRADE record and let it classify the fault, measure the trip time and calculate distance to fault.

Open tool

Private by design

Every tool here does its work client-side. Files you open are parsed in the browser and are never uploaded, logged or stored — which matters when the data is a fault record, a drawing or anything else your organization treats as confidential.

Need something similar built for your team, or the same capability inside your own systems?