Can someone help with the formulas to calculate the following:
1. arc current
2. incident energy and
3. flash protection boundary
the system fault level is 16KA @ 11kv
Regars,
Basonia
WHAT ARE MOST IMPORTANT THINGS TO REMEMBER ABOUT VECTOR GROUP OF TRANSFORMERS,WHEN WE NEED TO RUN THEM IN PARALLEL? E.G DY11 TRF AND DY1 TRF.I HEARD IF VECTORS GROUPING OF TRANSFORMERS IS IGNORED, THERE IS A RISK OF CREATING SHORT CIRCUIT.