Electric Vehicle Charging Equipment Installation

May 19, 2020 TechProServ

TechProServ™ continually improves and streamline our operational processes and has strong governance in delivering HAVC-E programmes.

TechProServ™ provides domestic, commercial and industrial electric charging equipment and installation. This is for homeowners, businesses and public use nationwide.

Our EV charge points range from “plug and play” systems through to fully functional workplace systems, all designed to lower your carbon footprint. Our electric car charging installation services are also covered by the OLEV (The Office for Low Emission Vehicles) grant scheme, which means you can save money, whilst helping to protect the environment.

We also comply with traffic and transport grants via development and growth implementation schemes within city and/or county councils.

Our EV charge point installation services cover Nottinghamshire, Derbyshire and the East Midlands, we do operate nationwide on larger applications and/or portfolios.

Customer – R.E.A.L. Education

R.E.A.L. is an acronym of the phrase Re-thinking Engagement and Approaches to Learning, which is building on the ethos that for some students, success in the education system means they have to offer learning opportunities that are vibrant, inclusive and relevant for each individual learner. They offer One to One, Small groups & Vocational courses across the East Midlands. Short- & long-term interventions, through to full time delivery and management of education for a young person.

R.E.A.L. understand that there are often multiple barriers to some students acquiring the skills they need to achieve their full potential. In response to this they build bespoke pathways for students that can include a wide range of vocational options, whilst maintaining a focus on improving their core skills.  R.E.A.L. Education has earned an excellent reputation for re-engaging children and young people in learning.

They have a substantial geographical spread of learning hubs. The schools and vocational sites are learning hubs linked to local community venues that provide opportunities for a dynamic approach to re-engagement.

https://real-education.org/

Customer Requirement – Electric Vehicle Charging Equipment

R.E.A.L have a learning hub, CITY HUB in Sneinton, Nottingham where the building is fully tailored to delivering motor mechanical courses.

Due to the increased demand for electric vehicles, future mechanics require the education to understand and support the maintenance and engineering repair for this ever-growing technology.

R.E.A.L approached TechProServ™ to design and deliver a safe and compliant application at their premises, meeting the government criteria and independent grant schemes as provided by Nottingham City Council – Traffic and Transport Sector.

They are preparing to upgrade their existing Toyota Hybrid cars to all electric vehicles in readiness for their courses and now required two fast charge mode 3 tethered applications, one a single phase and the other three phases metered within the dwelling.

Technical Specification – Compliance

TechProServ™ initially undertook a survey to define the metering and adequacy of supply, earthing arrangements and simultaneous contact assessment.

We completed a risk assessment on the building for its potential Installation of a vehicle charging application, this specifically identifies and evaluates the PME supply and vehicle charging equipment to be installed indoor or outdoor and if a potential TT System (earthing arrangement) is required for the charging equipment only. In the event of an open-circuit neutral in the PME supply system (T-C-NS), all conductive parts connected to the main PME earthing terminal, e.g. any exposed or extraneous conductive parts that maybe directly, or indirectly, or otherwise connected to this earthing terminal, may become raised to a dangerous voltage relative to true earth.

TechProServ™ assessed the current demand of the existing installation and verified compliance for the new load.

Design and implementation – Electrical and Physical installation requirements

Our design reviewed and defined compliant locations, impact protection, ventilation, trip/fall hazards and obstructions. We confirmed conformity to BS EN 61851 Electric Vehicle Conductive Charging System, BS 7671 Requirements for Electrical Installations, including particular requirements in section 722: Electric Vehicle Charging Installations.

We reviewed the manufacturer’s instruction for the intended design, and its implication of the installation, following these requirements to ensure the equipment works as intended and meets the regulations.

The charging equipment at City Hub is located indoors with a tethered non-extending cable that only allows the vehicle to be charged inside, then the PME earth (T-N-CS) can be used without the need for a separate TT earthing arrangement and/or PEN monitoring. If the vehicle was to be charged outside, then a separate TT system and/or PEN monitoring should be adopted as well as other measures.

The Risk Assessment shows that it is not currently necessary to take any precautions to avoid an open-circuit neutral fault as the charging equipment is within the same equipotential zone which is permitted to use the current T-N-CS earthing.

Customer Testimonial – R.E.A.L. Education – Chris O’Brien

” From initial quote to final sign off the service delivered by TecProServ was exemplary, this was our first foray into having OLEV points installed and the advice, guidance and quality of work from start to finish given by Mark and his team cannot be faulted.

The installation process was smooth and efficient, and even working around the constraints of the age and accessibility of our building, the standard of installation was second to none, So we will have no hesitation is using TecProServ for all our future installations”

Chris O’Brien, Senior Project Manager, R.E.A.L Education Ltd.

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