Terra AC in use

Introducing the Terra AC Wallbox from ABB

With electric vehicles expected to make up for 57% of global passenger car sales by 2040, the need for smarter charging facilities is only growing. ABB, pioneers in electric vehicle infrastructure, have until now only used their Terra products for DC charging stations, but now they have expanded the range to include the Terra AC Wallbox for charging electric cars at home.

Did you know? A typical electric car (60kWh battery) takes just under 8 hours to charge from empty-to-full with a 7kW charging point.*

Passenger Electric Vehicles Sales Will Rise to 28m in 2030

ABB’s Terra AC Wallbox is designed to meet the surge in demand for quality yet affordable charging in homes and businesses and can even utilise a customer’s green energy, such as solar power. The Terra AC Wallbox is also equipped with an energy meter that can be integrated into intelligent building energy management systems and enables advanced load management functions.

Ultra-Low Emissions. Will you be Leading the Charge When it Comes to Electric Vehicle Supply Networks?

With a broad range of connectivity options, the Terra AC Wallbox can be configured and updated via a dedicated app or remotely via the cloud. This provides a lot of flexibility and minimises the need for onsite engineers to maximise uptime and efficiency.

View the Range

Please note that models: TAC-W22-T-RD-M-0, TAC-W22-T-RD-MC-0, TAC-W7-T-RD-MC-0 will be available from November.

Terra AC

Terra AC Wall Top Features:

High-value quality

  • A broad range of connectivity options including WiFi, Bluetooth and Ethernet
  • Space-saving design enables seamless installation on a wall or pedestal, which can accommodate two chargers back-to-back
  • With multiple connectors available, Terra AC Wallbox is compatible with the majority of electric vehicles
  • Dustproof and water-resistant to IP54, IK10

Future proof flexibility

  • Future-ready with simple software updated via the user app
  • Simplified authentication via either RFID or the App provides flexibility for public-use applications
  • Integrates seamlessly with ABB’s complementary building automation solutions

Safety and protection

  • Evaluated and tested by an independent third party to meet the highest standards
  • Current limiting protection allows maximum charging power without nuisance tripping
  • Integrated ground fault and overvoltage protection protects both user and car

Available in up to 22kW variants which ensures compatibility with electrical systems across the world, the Terra AC Wallbox offers a safe, smart and sustainable charging solution.

ABB is a world leader in electric vehicle infrastructure, offering the full range of charging and electrification solutions for electric cars, electric and hybrid buses as well as ships and railways. Kempston Controls, as a brand partner, has access to their entire range. Get in touch today on 01933 4114111 or email sales@kempstoncontrols.co.uk to see how we can support your application.

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Please note that models: TAC-W22-T-RD-M-0, TAC-W22-T-RD-MC-0, TAC-W7-T-RD-MC-0 will be available from November.

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* How long does it take to charge an electric car? From Pod Point

Ultra-Low Emissions. Will you be Leading the Charge When it Comes to Electric Vehicle Supply Networks?

In 2018 the UK Government launched its Road to Zero strategy, with ambitious targets of at least 50% and as many as 70% of new cars constructed to be ultra-low emissions by 2030 and by 2050 they want almost every car and van to be zero emission. Outlined in the Government document, The Road to Zero, the plan promises a huge expansion of the vehicle charging infrastructure that will be needed to keep these electric vehicles moving efficiently. Plans are afoot to increase the level of charge-points, with one every 20 miles along the strategic road network by 2020, along with charging points in all new homes and the retrofitting of lampposts with charging fixtures.

Picture credit: Joe Nomias, Pixabay

One thing is for certain, the Government’s plan offers an enormous opportunity for the many businesses and industries involved in its creation, development and upkeep.  Research and development teams will be constantly innovating, manufacturers will be building the devices required, the installation of the network and charging points and maintaining these systems will need a fleet of service personnel to fulfil the plan proposals.

It took over 20 years for electric cars to reach their first million in sales, fast forward to today and a million electric vehicles are being sold globally in a period of just a few months, the momentum is certainly gathering when it comes to the transition to electric vehicles.

The uptake of the outlined policy is certainly making headway, Oxford is planning on introducing the world’s first ‘Zero Emission Zone’ in its highly-congested city centre. In London, the Ultra-Low Emission Zone began on the 8th of April 2019, meaning drivers paying a healthy fee if they don’t drive an electric vehicle. Car manufacturers such as Jaguar Land Rover and Volvo recently announced that they will stop launching new models of car that feature just an internal combustion engine from 2020 onwards with other manufacturers likely to follow. One thing is certain a change in how we commute, or rather the vehicles we will be travelling in and how they are powered is coming and moving fast.

Driving Changes

Electric vehicles are obviously cleaner when it comes to producing emissions when in motion when compared to their petroleum-based counterparts, however, they do pose additional challenges.

  • In the UK and most other countries, the existing transmission and distribution networks will struggle to meet the expanding fleet of electric vehicles which will demand masses of additional power.
  • Although an electric vehicle may produce zero emissions, producing the energy used to charge it may not be the case, thus the energy grid will need to be powered by a much higher level of renewable energy and low-carbon methods.
  • Energy is generally produced according to demand, and renewable sources like wind and solar can be unpredictable, leading to instability in demand provision as the load increases further. Countries that depend on Hydroelectric power will be better placed environmentally.
  • The batteries used to power electric vehicles are rising in capacity, that coupled with their growth in use will equate to existing charging methods struggling to meet future demands.


Meeting the Demands

There is no doubt that the changes to the way we commute around our towns and cities are firmly headed in the direction of dependency upon electric vehicles, with natural gas, hybrid and fuel cell powered transport, both public and personal, making up a percentage as well.

Recent research suggests that fast-charging an electric vehicle battery in 10 minutes will require 300 to 400 kW of power, if you have several cars all charging at the same charging point you will need about 1MW of power. No 240V mains plugs here, a facility like this would need to be connected to an 11 or 33 kV grid. Primarily it is in this area where the infrastructure needs to be expanded and future proofed (along with the increase in green energy production), to make EV’s lend themselves to everyday life.

There are other considerations of course, such as how will people without their own parking area effectively charge their vehicles?  Will hybrid vehicles that feature a large electric motor that has its batteries recharged by a small petrol generator be more effective in the short term? Will the roads eventually incorporate induction charging in their construction so that your car can be charged just by being on the road itself? Time will tell.


Charging at home and on the road, safely

Electric vehicles charged at home will utilise the AC source found there and be charged using a cable, known as Mode 2 charging, with an integrated monitoring system and a dependence on the vehicles internal charging circuit to manage the charging process. Ultimately this means that AC charging at home is a relatively simple and safe process for those who possess their own parking facilities.

Picture Credit: Paul Brennan, Pixabay

Large scale quick-charging stations used to sustain an entirely electric vehicle network would usually be an unearthed DC system, known as Mode 4 Charging. Charging via DC would involve supplying an external DC voltage to a vehicles network of batteries connected in series with a governed voltage so that it is always slightly higher than the cell voltages of batteries. This process involves complicated control systems as the currents involved can be several hundred amps, which is also potentially dangerous. Unlike AC charging at home, this DC method is ideal for rapid recharging during a journey and depends on the insulation monitoring device in the car being deactivated with the entire charging process being monitored by the charger’s insulation monitoring device (IMD).

Companies like ABB, Phoenix Contact, Schneider, DOLD, Bender, Siemens and others offer a range of residual current monitoring sensors and insulation monitoring devices that are perfectly suitable for Mode 2 and Mode 4 vehicle charging methods.

To meet the growing need for these devices, Kempston Controls stocks an impressive range of products suitable for EV charging applications, and as ever, if we don’t have the products on our store shelves, we can certainly source it for you. Our dedicated technical and sales team are always happy to help please call +44 (0) 1933 411411, or email sales@kempstoncontrol.co.uk or technical@kempstoncontrols.co.uk for all your vehicle charging application requirements.