Edmund Handschin

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The foreseen decentralization of the electrical energy supply has a significant impact on the overall system operation and control. To increase the economic efficiency of dispersed generation (DG) a powerful optimization technique is required. This paper presents a mathematical model including different kinds of DG units with respect to their technical(More)
Establishing clean or renewable energy sources involves the problem of adequate management for the networked power sources, in particular since producers are at the same time also consumers, and vice versa. We describe the first phases of the joint R&D project DEZENT between the School of Computer Science and the College of Electrical Engineering at the(More)
For regenerative electric power the traditional top- down and long-term power management is obsolete, due to the wide dispersion and high unpredictability of wind and solar based power facilities. In the R&D DEZENT1 project we developed a multi-level bottom- up solution where autonomous software agents negotiate available energy quantities and needs on(More)
The authors describe a method for unit commitment, considering energy constraints obtained from a long-term optimization. In many electrical utilities, there exists the problem of fulfilling energy supply contracts with other utilities or with fuel suppliers. Furthermore, energy prices may change during the year or depend on the consumed electrical energy.(More)
A world-wide trend towards renewable and ecologically clean forms of energy has been steadily growing. Private investments are encouraged and heavily subsidized in most of the European countries, through tax deductions, and even more through a very favorable refund program for feeding electric power from renewable sources into the public network. Due to the(More)