Tesla Gen 3 - APPLICATION NOTE - WALL CONNECTOR, UK TN-C-S (PME) SITES; Overview

Overview.......................................................................................................................................................................... 1
Background...................................................................................................................................................................... 2
Applicable Codes and Standards ..................................................................................................................................... 2
Five Options in BS7671.................................................................................................................................................... 3
Option (i) ...................................................................................................................................................................... 3
Option (ii) ..................................................................................................................................................................... 3
Option (iii) ..................................................................................................................................................................... 4
Option (iv)..................................................................................................................................................................... 4
Option (v) ..................................................................................................................................................................... 4
BS IEC EN 61851-1:2019 clause 8.4 ................................................................................................................................ 5
PEN disconnection devices .............................................................................................................................................. 5
Alternative Options ........................................................................................................................................................... 6
Electrical Separation – Install an Isolating Transformer ................................................................................................. 6
TT Earthing System – Convert Only the Charger Circuit to TT....................................................................................... 6
TT Earthing System – Convert Entire Site to TT ............................................................................................................ 7