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Volvo Buses to supply electric hybrids to Göttingen

Sweden-headed bus manufacturer Volvo Buses, part of Volvo Group, has announced has received an order from Göttinger Verkehrsbetriebe GmbH (GÖVB) for three electric hybrid buses from the German university city of Göttingen in Lower Saxony. The new buses – Volvo Electric Hybrids – will become operational in spring 2018.

In 2018, three electric hybrid buses from Volvo Buses will begin service in Göttingen, Germany (photo courtesy Volvo Buses).

Göttingen’s drive for electrified bus operations is part of the city’s far-reaching aim to implement green public transport over the next few years. The public transport company Göttinger Verkehrsbetriebe has therefore decided to convert almost the entire public bus fleet step by step to electric buses.

Currently, there are 19 bus routes in the city, several of which pass through the medieval city centre. It is planned to use the 12 m Volvo electric hybrids on routes 41 and 42.

The Volvo Electric Hybrid permits around seven kilometres of quiet, entirely emission-free operation between charges, corresponding to about 70 percent of the distance of an average European route – about 90 percent of all city bus routes in Europa have a length of max. 10 kilometers.

Recharging of the bus batteries takes three to four minutes at the two line 41 and 42 routes’ shared end station in the Gustav-Bielefeld-Strasse. In addition, the batteries are trickle-charged every night in the GÖVB bus depot. The electric hybrid buses are also fitted with a small diesel engine, which offers extended range in line operation and also offers greater flexibility.

In addition to the three Volvo Electric Hybrid buses, the order includes Volvo’s system for battery monitoring. The charging station will be supplied by ABB. The charging equipment is based on the OppCharge open interface.

OppCharge follows industry organisation ACEA’s recommendations for fast-charging. The intermediate re-charging is done with 150 Kw, but the charging station will already be designed to provide 300 kW in order to be prepared for the charging of all-electric buses.

In addition to electric hybrids, the Volvo Buses range of electrified vehicles includes hybrid buses and all-electric buses. In total, the company has sold more than 3 500 electrified Volvo buses globally.


Volvo Electric Hybrid & ABB OppCharge

Volvo 7900 Electric Hybrid

  • Propelled by electricity for about 70 % of the route
  • Quiet and exhaust emission-free when running on electricity
  • 60 % lower energy consumption compared with a corresponding diesel bus
  • Depending on fuel choice 75–90 % lower carbon dioxide (CO2) emissions (10 km city bus route, compared with a Euro 6 diesel bus)
  • Equipped with an electric motor developing 150 kW, a powerful lithium-ion-iron-phosphate battery and a diesel engine with 177 kW/240 hp
  • The batteries are fast-charged at one or both ends of the bus route and charging takes 3-4 minutes

ABB OppCharge (Opportunity Charging)

  • Common interface between charging station and vehicles, based on the car industry CCS standard
  • Charging power 150, 300 and 450 kW
  • Pantograph attached to the pylon makes it possible to use a cost-effective solution that adds little weight to the bus roof
  • Conductive charging using current collectors, with communication between the bus and charging station via Wi-Fi

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