RelayHelper
Free web app for COMTRADE files analysis
19/11/2023
How to use ReleyHelper restoring algorithms In this video I'll show how to use ReleyHelper restoring algorithms. In this case, the 7UT613 protects part of the busbar between the power autotransformer ...
19/10/2023
4 ways to determine direction In this video I'll talk about 4 ways to determine a damaged element by using:1 Zero sequence current and voltage2 Negative sequence current and voltage3 Posi...
01/10/2023
Fastest done In this video I will try to find out in which device the distance protection algorithm works faster. I have a rather unique case that I covered in a previous...
25/09/2023
L60 distance functions analysis In this video I will show you how to use our protection block to analyze the operation of distance protection for GE devices. As an example, I will take a si...
25/09/2023
Translate RelayHelper app into any language Some of my colleagues complained that our application is in English. And they really surprised me. In this video I’ll show how to use the browser functions t...
25/09/2023
ABB (Hitachi) REX670 distance functions analysis In this video I will show you how to analyze distance protection in the 670 series relays from ABB. As an example, I will take the RET670 terminal which is i...
25/09/2023
L60 - combined signal calculation. In this video I’ll show how to do calculations with analog channels. I’ll tell you about particular qualities of calculating components of the negative seque...
25/09/2023
Gluing any number of comtrade files In this video, I'll show you how our new algorithm for opening comtrade files works. There are still a lot of updates on the site that are not yet reflected ...
25/09/2023
Siprotec dictance finctions analysis In this video, I'll show you how to use our protection tab to analyze the distance protection of Siprotec Siemens devices. As an example, I will take a singl...
25/09/2023
MHO distance relay analysis In this video I will show you how to use our protection tab to analyse distance protection relays with mho characteristics. In Ukraine mho characteristics of...
25/09/2023
Comtrade file analisys from RET670 at three winding transformer with three phase short circuit. In this video I will show you how to use our protection tab to analyze comtrade files from RET670 device. We got a fault file for analysis from one of our us...
25/09/2023
Analysis comtrade file on phone. It's a bit tricky on a phone, but possible). In this video, I will analyze comtrade file on phone with short circuit on a 330 kV power line. And I will show ...
25/09/2023
Hey there, relay protection engineers! We're excited to introduce RelayHelper, a user-friendly web application designed to make your life easier and your work more efficient.
📂 View COMTRADE Files: With RelayHelper, you can easily analyze and interpret COMTRADE files, gaining valuable insights from waveform data and fault records.
⚙️ Evaluate Distance Protection: Wondering about the reliability of distance protection systems for short circuits? Our handy calculators support both electromechanical-based circular characteristics and digital terminals with polygonal characteristics.
🧮 Simplify Complex Number Calculations: Say goodbye to complex number headaches! Our tool streamlines those calculations, saving you time and ensuring accuracy.
🔄 Stay Updated with New Features: We're always improving RelayHelper to meet your needs. Expect regular updates and new tools to enhance your relay protection engineering experience.
💬 Share Your Feedback: We value your input! Feel free to share your feedback, suggestions, or report any bugs you encounter. Your input helps us refine our tools and provide a better experience.
COMTRADE file analysis A free web app for COMTRADE analysis and relay protection calculations