RelayHelper

A powerful tool for COMTRADE files and protection behavior analysis.

Web app that works in any web browser on any OS

RelayHelper works on all devices including smartphones and tablets. The fault files are not uploading anywhere, the calculation and analysis take place exclusively on the device on which the browser is running.

Three types of subscription including free one

Choose what is best for you. You can cancel your subscription at any time.

Make quick and powerful calculations

Sequence components calculation, power, frequency and df/dt calculations. Custom formulas and advanced filtering.

Merge any number of COMTRADE files

Multi-file merge with automatic and manual alignment.

Deep protection analysis

Dive in deep analysis of distance, differential and overcurrent protections with quick and easy linking and visualisation.

Protection analysis features

Distance protection

Settings templates for all famous vendors and RIO support

Differential protection

Traditional and modern algorithms

Vector diagrams

2 vector diagrams with quick linking and base vector flexibility

Overcurrent protection

20 most common curves

We are Urainians

Аs a step to support Ukrainian relay protection engineers working under unprecedented conditions, we are offering them the PRO subscription for free until the end of the war.

Please, contact us..

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