Proving the Business Case for the Internet of Things

Siemens charging station works with buses from different manufacturers

Steve Rogerson
September 13, 2016



Siemens claims to be the first supplier worldwide to provide a charging infrastructure for e-buses that ensures interoperability for vehicles from different manufacturers.
 
This follows Hamburger Hochbahn beginning operation of three additional e-buses on its 109 Innovation Line. The battery-powered buses built by Solaris will be charged at the same Siemens charging stations that power the plug-in hybrid buses from Volvo that have been serving Hamburg since the end of 2014.
 
Each of the two charging terminals has a capacity of 300kW and two charging stations. The stations can provide the buses with enough energy to enable them to operate a full day from terminal to terminal on Line 109. The charging operation takes around six minutes. The charging stations are located in the Bus-Port (ZOB) in downtown Hamburg and in Alsterdorf.
 
The charging process is per open international standards IEC 61851 and ISO 15118 that are the basis for e-bus charging systems. The open standards enable vehicles from different manufacturers to use the same charging system. This allows operators to select their e-buses independently of the charging infrastructure and ensures their interoperability.
 
The three battery-powered buses from Solaris are equipped with an on-board charging system from Siemens designed for the quick-charge stations. Having both the on-board equipment and charging infrastructure provided by one supplier not only makes interoperability possible, but harmonises the systems on the basis of open international standards.
 
By equipping the buses with Siemens charging equipment, vehicles of every type and from different manufacturers can be integrated into one system.
 
As head of a consortium that includes Itron and Telemont, Siemens is supplying the Brazilian power utility company Eletrobras with smart grid services to reduce non-technical losses. Eletrobras has initiated the Energia+ project in six states in northern and north-eastern Brazil.
 
According to the Brazilian electricity regulatory agency Aneel, these states suffer the highest non-technical losses in the South American country, at a rate of 10 to 22 per cent.
 
With a view to reducing these figures using smart grid services, the consortium's scope of supply includes smart meters, a meter data management system based on Siemens' Energy IP smart grid platform, maintenance services, the development of a communications and metering infrastructure, and the implementation of a smart metering system and metering management centre.