We look at the basics of determining the prospective short circuit currents from the transformer to a distribution board.
0:00 Introduction
0:34 Short circuit protection
2:16 Transformer impedance
3:05 Factory site example; full load current
5:05 Short circuit to earth on MEN
6:37 Prospective short circuit current
7:11 So what does this mean?
7:47 How to calculate PSCC
9:11 Transformer, MSB, DB example
12:11 Step by step
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