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    Postings written by : Nora Zallmann

  • Nora Zallmann | 12/04/2018

    Bolivia: Power for the People (and the Neighbours)

    Bolivia is a regional powerhouse; both as the region’s fastest growing economy and – despite being geographically dwarfed by Argentina and Brazil – a source of natural gas to its larger neighbours. The country has ambitions to expand its energy exports beyond raw commodities to electricity too; a plan closely tied to its development agenda.   Working with the country&rsq...
  • Nora Zallmann | 20/12/2017

    Bolivian Heat Recovery: The Technology Powering an Energy Renaissance

    Just three kilometres southwest of Bolivia’s remarkable Salar de Uyuni salt flats (an 11,000 square kilometre expanse of brilliant white salt and rock formations) is an evocative sight: a steam train “graveyard” where the skeletons of disused locomotives rust away in the corrosive salty winds, at the end of an equally neglected train line.

     

    If these steam-powered machines represent Bolivia’s past, the steam-powered future is taking shape in this ambitious nation, with 11 cutting edge Heat Recovery Steam Generators (HRSGs) made by Siemens’ NEM – the Netherlands-based leader in heat transfer technology – beginning to arrive in Bolivia after a journey of over 20,000 km from their factory in China.

     

    Just three kilometres southwest of Bolivia’s remarkable Salar de Uyuni salt flats (an 11,000 square kilometre expanse of brilliant white salt and rock formations) is an evocative sight: a steam train “graveyard” where the skeletons of disused locomotives rust away in the corrosive salty winds, at the end of an equally neglected train line.   If these steam-powered machines...
  • Nora Zallmann | 11/10/2017

    The MVDC revolution: Rocking the currents of history

    I have recently come to ponder this question looking at my home appliances, like the washing machine or hairdryer, my laptop or the new, super-flat LED TV: AC or DC, alternating or direct current?   In the old days the answer would have been straightforward. Most of the home electronics used to run on AC generated in power plants as AC and transported as AC to the end user. This dominance...
  • Nora Zallmann | 10/07/2017

    Master’s thesis on designing a flexible cyber-physical production system receives sponsorship award

    Herr Jaehnert bei der Preisverleihung
    Award-winner Christian Ralf Jähnert, who completed his Master’s thesis last year at the Amberg electronics factory using the Siemens Plant Simulation software, receives the 2017 VSI CES Award.   The title of the thesis says it all:  “Design and Evaluation of a Flexible Cyber-Physical Production System (CPS) in Multi-Stage Electronic Production.” Jähnert wro...