Krypton is a risk assessment tool developed as part of my Capstone project for my B.A.Sc. degree in Electrical Engineering at UBC. This project is based upon IEEE 80-2013  and IEC-60479  industry electrical standards in North America and designed to mimic Argonium .
Krypton calculates the probability of fibrillation for a given set of parameters to simulate a ground fault scenario at a high voltage transmission line. This tool is developed for BC Hydro and is designed for their specific needs.
Krypton is a risk assessment tool based upon industry standards, IEEE-80  and IEC-479 , similar to the currently used Argonium  application developed by Energy Networks Australia.
For the individual case, we define coincidence as the following two events:
We calculate the probability of coincidence separately for the case of step voltage versus touch voltage. In a step voltage scenario, we assume the individual is present at the target location for a “gathering” and consider only the fault parameters and the gathering parameters. In a touch voltage scenario, we assume the individual is in contact with the faulted element and consider on the fault parameters and the contact parameters.
Ventricular fibrillation occurs probabilistically relative to the body current (or the fibrillation current). We derive an equivalent circuit modelling the step/touch voltage and the resistances of the path through the body and ground. The probability is based on an approximation through the logarithmic normal distribution and empirical mean/standard deviation values.
The probability of fatality can be calculated as the product of the probability of coincidence and the probability of fibrillation. The results section features:
Risk classification is based upon the BC Hydro risk matrix and can be adjusted in the settings.
Group coincidence curve shows the probability of coincidence for a given group size and is overlayed with BC Hydro risk matrix thresholds calculated in conjunction with the probability of fibrillation.
Fibrillation curve shows the probabilistic variation of ventricular fibrillation relative to the body current for the specified fault duration (clearing time).
Load Krypton template.
Save current inputs into Krypton template.