The magazine of Friedhelm Loh Group

The magazine of Friedhelm Loh Group

Rittal supplies infrastructure for electromobility
Innovation – Transportation technology

Powering up fast

Enclosure technology. Electromobility is becoming increasingly appealing, not least because the charging infrastructure is getting better and better. Rittal supports the entire value chain, from power generation through to the charging station.

When Michaela Schneider gets home from work, she already has the next item on her to-do list lined up – shopping for the weekend. She has just under half an hour before she has to pick up the kids from school. When she arrives at the Hessen-Center mall in Frankfurt, she steps out of her electric car in the car park, plugs it into a 50 kilowatt charger, checks her shopping list and heads for the store. In the half hour Michaela is busy stocking up on her store cupboard essentials, her car is topping up its power reserves ready for the next 100 kilometres.

Text Sophie Bruns ––– Photography

“We’ve made it our mission to take e-mobility from a niche to the mainstream,” explains Thorsten Nicklass, CEO of Elli (Electric Life), a subsidiary recently established by Volksbank. What this means is that a growing number of users like Michaela will, in future, be able to charge their car where they work, shop and live. “Electromobility calls for a different approach to fuelling our cars, making it part of our daily routine,” Johannes Gimbel, Vertical Market Manager Automotive at Rittal, explains.

The automobile industry has also been working hard on this, not least since the diesel scandal, and since public authorities started banning cars from city centres and the European Union introduced stricter CO2 limits for new cars. Even though electromobility using 100 per cent electricity from renewables is by far and away the most highly developed eco-friendly mobility solution for our roads, there is still the RIP problem – range, infrastructure, price. There has, however, for a number of years, been an additional solution for the infrastructure issue in Germany besides a proliferation of 50 kilowatt charging stations. Drivers making long journeys through the country can also use special fast chargers to top up their batteries at motorway service stations in the space of a few minutes.

 “The Rittal outdoor enclosure solutions satisfy the most stringent requirements and are helping introduce standardisation into the infrastructure. We’ve also raised our profile with customers as a result,” Gimbel adds. One of the first customers to approach Rittal about electromobility was Enercon, which supplies charging stations and took the first 350-kilowatt fast charger into operation in 2018. “We needed reliable enclosure technology for our new E-Charger 600,” Dr Frank Mayer, Project Manager for Rapid Charging Stations at Enercon, explains. “Since Rittal already had proven experience and expertise in enclosure design and in the energy sector, it was just the right fit for us.”

Nice and green. Quick chargers by Enercon are powered by renewable energy. The wind turbine manufacturer relies on enclose solutions from Rittal.

Well protected

“Rittal supports the entire value chain from power generation through to climate control for the charging stations. We can also make the most of our expertise in other sectors such as telecommunications. The very heart of the modular system at Rittal is always the stable frame,” Gimbel points out. One particularly important quality factor when it comes to outdoor enclosures is secure access and personal safety. What’s more, fluctuating weather conditions mean that cooling is needed for when things get hot and heat needs to be consistently distributed. However, it is not just wind and weather that affect the condition of a fast charger.

“Enclosures that are out in the open need to be secured against break-ins and the power electronics must have an adequate climate control solution, too,” Gimbel explains. The electricity cable on the latest generation of fast chargers even needs its own liquid cooling solution. However, as well as already having a suitable range of products, Rittal is also working on more concepts. “We are keen to collaborate with our customer on expanding the use of second-life batteries and supplying the corresponding enclosure solutions. The potential of old car batteries can be used for an alternative power supply,” says Gimbel. Expanding supply stations like these could be another solution to the RIP problem – and another opportunity for users like Michaela to top up their battery wherever they are. 

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