Electric Vehicle Charging - Unit 9: Electrical separation and whole installation
This Unit examines the use of electrical separation to supply EV charging equipment. It also discusses the issues that have to be overcome if the installer chooses to convert the whole installation to TT.
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• The BS 7671 requirements for electrical separation in EV charging equipment installations, and the recommendations of the IET Code of Practice for Electric Vehicle Charging Equipment Installation
• The advantages and limitations of electrical separation
• The BS 7671 requirements for conversion of the whole installation to a TT earthing arrangement
• The advantages and limitations for converting the whole installation to TT
• How to select the correct Type of RCD to protect the charging point
Director and Principal Consultant at G Kenyon Technology Ltd, Graham has established his reputation designing and implementing control and information management systems in the challenging environments presented by world-class construction programmes in the airport and railway industries.
Graham is well versed in standard-setting, as he serves as: Chair of the IET’s Wiring Regulations Policy Committee; a member CIBSE’s Electrical Services Group Committee; an IET representative on JPEL/64 (BS 7671, IET Wiring Regulations), under which he also serves as Deputy Chair of JPEL/64 sub-committee D.
Graham is author of the 3rd Edition of the IET Code of Practice for Electric Vehicle Charging Installations, co-author of the IET Code of Practice for Electrical Energy Storage Systems, and editor of some of the IET’s forthcoming Wiring Regulations publications: Guidance Note 5 Protection against electric shock (8th Edition); Guidance Note 6 Protection against overcurrent (8th Edition); and Electrical installation design guide (4th Edition).