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Energy and Environment

Different research projects related to the Energy and Environment are currently running at the DES. They aim for instance at contributing to the development of eco-cities following the 10 “One Planet Living” principles:

  1. Zero Emission
  2. Sustainable Materials
  3. Water Management
  4. Bio-diversity
  5. Zero Waste
  6. Sustainable Mobility
  7. Sustainable and Local Food Production
  8. Local and Fair Economy
  9. Health and Well-being
  10. Cultural Activities


On the Engineering side one goal is to be autonomous as far as possible in terms of thermal and electrical power supply. The aim is to achieve a self-sufficient supply in thermal (heating-cooling) and electrical energy produced near or on site in a regenerative manner. Research doesn’t focus on the individual production and storage of thermal and electrical energy, but on the aspects of the production and storage of electrical energy as well as its transformation to and from thermal energy (Figure 1). A sensitivity analysis carries out the optimal operating point in various settings and scales (small scale eco-building or larger scale eco-cities) as shown on Figure 2 taking into consideration the specific social, technical and economic advantages and disadvantages.

Efficiency of thermal power plants and renewable energy production

In the course of the conversion of today thermal based electrical power supply infrastructure to a renewable energy dominated system, large volatile available power capacities need to be regulated to match power consumption and supply. As a result of the lag of sufficient large scaled energy storage capacities the regulation must essentially be performed by the remaining thermal power plants. In order to design new power plant as well as to optimize the performance of running power plants integral numerical code are developed to simulate transient plant operation conditions.

Stephan Leyer, Manfred Greger, Bernhard Peters, Joachim Hansen, Andreas Zilian

Eco-Driver Assistance System for Electric Vehicles

Electric vehicles are expected to become one of the key elements of future sustainable transportation systems. First electric cars are already commercially available but still suffer from problems and constraints that have to be solved before a mass market might be created. Read more...

Holger Voos

Energy Management Systems

The Research group on Energy Management Systems works on the design and implementation of reliable energy management systems, in particular on the development and integration of the electrical energy production from renewable energy sources. The main Boundary Constraints to be investigated are:

  • a) the electrical power quality;
  • b) a sustainable and reliable energy supply;
  • c) a flexible stand-alone or grid-tied operation;
  • d) the cost optimisation (investment, power losses, maintenance).

The solution will be distributed intelligent power units with a supply and/or storage capability with superimposed wireless communication.

Jean-Regis Hadji-Minaglou and Stephan Leyer