Intelligent electric mobility solutions for Hamburg’s e-buses

Intelligent electric mobility solutions for Hamburg’s e-buses

Reaffirming ABB’s commitment to enabling a zero-emission future, the leader in digital technologies has partnered with German public transport operator Hamburger HOCHBAHN AG to electrify the country’s first e-bus depot.

Through its climate plan, the Hanseatic city of Hamburg has set ambitious sustainability goals: to reduce CO2 emissions by half from 1990 to 2030. A significant factor in reaching this goal is the development of e-mobility initiatives, in doing so setting an example for other cities across Germany to follow.

In terms of local public transport, Hamburger HOCHBAHN AG is making its contribution to the implementation of the Hamburg climate plan with a wide-reaching fleet electrification program.

In Juy 2019, the company commissioned the largest charging installation for e-buses in Germany to date. As a leading global supplier of e-mobility technology, ABB supplied a turnkey solution including the installation of 44 ABB Heavy Vehicle Charger (HVC) 150C charging stations, alongside the planning and implementation of the electric infrastructure and the connection of the depot to the grid.

Hendryk Münster, Hamburg HOCHBAHN AG project manager commented: "Following a Europe-wide call for tenders, ABB was able to demonstrate its strong capabilities. We are convinced of the performance and future viability of the Terra HVC solutions.”

The HVC depot charging systems from ABB can charge larger fleets of e-buses during the night in a cost-conscious manner. With a range of up to 150 km in normal conditions, this enables the e-buses to remain in use without the need for interim charging.

Advanced interoperability between the chargers and buses has also been established in compliance with ISO 15118. Improved comfort for passengers and optimized driving range is made possible by pre-conditioning which brings the passenger cabin to the optimum temperature prior to departure from the depot station, reducing en-route power needs from on-board batteries.

Commenting on the project, Frank Muehlon, Head of ABB’s global business for EV Charging Infrastructure said: “The future goal of Hamburger HOCHBAHN is to convert its entire bus fleet to sustainably operating electric vehicles with zero local emissions.

“With this project, Hamburger HOCHBAHN has proven itself as a leading driver of electromobility in Germany and ABB is proud to serve as the optimal partner for the technical implementation of such environmentally-friendly transport solutions. The installation of HVC depot charging systems and electrical infrastructure from ABB is the ideal solution to make sustainable zero-emissions transport in Germany a reality.”

At the Hamburger HOCHBAHN depot, the HVC charging systems and electrical infrastructure are located on the roof of an existing structure to guarantee convenient operation despite limited space conditions. This is made possible through a flexible depot charging design which includes structural separation in charging boxes, electrical equipment and the power conversion units. The HVC charging systems and electrical feed are CCS and OCPP compliant.

Meanwhile, redundancy of medium-voltage (MV) SafePlus switchgear, which features a completely sealed system for improved performance and personal safety, dry transformers and the low-voltage (LV) switchgear ensure high availability and reliability. This solution delivers seamless charging between stations, in the event maintenance would need to be carried out on other points of the infrastructure. Project management of the whole system, from the charging points up to the MV connection, was completed by a team of experts able to coordinate, execute and deliver the project according to the customer’s needs.

Part of the ABB AbilityTM portfolio of digital solutions, ABB chargers benefit from cloud connectivity which makes remote diagnostics and remote management possible, supports integration in depot management systems and guarantees a reliable and efficient infrastructure. Indeed, more than 95 percent of the service cases can be diagnosed, and more than 75 percent can be resolved remotely.

ABB pursues Mission to Zero

The sustainable transformation of bus traffic in Hamburg is an example of how ABB is pursuing its Mission to Zero. The pioneering technology company wants to create innovations that will contribute to the production of CO2-free energy in the future and to its highly efficient use. In this manner, ABB will support its customers in reaching their sustainability goals and in contributing to climate protection. Demonstrating the potential for a zero-emission future, ABB has turned its Lüdenscheid site into an outstanding example of a virtually CO2-neutral operating industrial plant.

Power for the Lüdenscheid plant is provided above all by approx. 7,300 square meters of photovoltaic modules on the roof surfaces of the plant parking lot. In the first five months, the system supplied 721,980 kWh of power, corresponding to CO2 savings of 375 tonnes when compared to conventional power production. In addition, the site has a thermal power station which demonstrates double the energy efficiency of a conventional coal-burning power plant. The technological core of the showcase project in Lüdenscheid is the scalable Optimax energy management system from the ABB AbilityTM Energy Management for Sites suite. The digital solution monitors and controls energy production, consumption and storage and to a great extent operates autonomously. This learning system calculates optimal energy flow and compensates for deviations in real-time.

ABB offers products and services that provide a crucial contribution to increased sustainability in industry. More than half of ABB worldwide sales are generated with technology that contributes to the elimination of the causes of climate change. It is the goal of ABB within the scope of Mission to Zero to increase the sales share of solutions and systems for increased sustainability to 60 percent by 2020.

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