EV chargers installed in the UK utilising a TN-C-S earthing system require additional protection in case of a fault within the combined protective earth and neutral (PEN) conductor supplying the electrical installation.
In this video, Dr Chris Horne talks us through the recent changes to BS7671 which can be used for PEN fault monitoring and protection.
== 🕐 Time Stamps - Cut to the action 🕕 ==
00:00 BS7671 - 3 phase EV chargers and PEN faults
02:20 Indent i & ii
03:28 Broken PEN conductor
04:42 Indent iii BS7671 Amd 2
07:12 Indent iv BS7671 Amd 2 - single-phase chargers
09:55 Voltage detection WON"T work in all circumstances.
11:30 Around 500 reported PEN faults per year in the UK
12:00 Indent iv and nuisance tripping with voltage detection
13:23 Indent v - innovation to enhance safety
15:09 How does Zappi 2 provide PEN fault protection
19:30 Multiple protection methods.
20:10 RCD's and EV charge points.
20:50 Who is Mrs Goggins?
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❌ This content on this channel is for electrical professionals.❌ ==================================
📹 Presented by
Gary Hayers - Editor eFIXX
Gordon Routledge CEng MIET - Technology Editor eFIXX
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#efixx #evcharging #bs7671
