Groupleader
Ing. Jiří Valenta, Ph.D.
Main research areas
- Switching arc analysis using high-speed camera and monochromators
- Study of transient resistances of contact systems
- Numerical thermal analysis of parts of current paths
- Simulation of the dynamic effects of short circuit currents on the mechanics of a current path
- Short circuit testing of devices under development
Main practical research results
- New ranges of circuit breakers, traction contactors and high voltage switchgear elements
- Unique computational model of the current path of a low-voltage switchgear
- Analysis of switching arc effects on selected structural materials
- System for suppression of arc flash radiation during high-speed camera imaging
- Analysis of arc fault effects on the human body using different protective equipment
