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 EPE 1999 - Topic 09g: Modelling and Simulation 
 You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 1999 - Conference > EPE 1999 - Topic 09: POWER ELECTRONICS IN GENERATION, TRANSMISSION AND DISTRIBUTION > EPE 1999 - Topic 09g: Modelling and Simulation 
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   Efficient Transfer Function Based Power Electronic Harmonic Filter Modelling for Digital Elektromagnetic Transients Simulators 
 By K. Strunz; L. Gerbaud; O. Huet; D. Lindenmeyer 
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Abstract: Recent progress in research and development makes it possible to run fully digital and accurate real time simulations of electromagnetic transients phenomena in high voltage power electronic systems such as high voltage direct current (HVDC) or flexible alternating current transmission systems (FACTS). Fields of interest for the use of these simulators include real time testing of external devices such as control and protection systems. the required computational speed can only be achieved through the application of highly efficient modelling and simulation techniques. In this contect, the development of efficient harmonic filter models of HVDC substations is discussed.

 
   Superposition of Power Converter Interferrences - A Measurement Approach for Education 
 By P. Büchner; S. Knobloch 
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Abstract: Engineers of Electrical Power Engineering designing electric drive systems should have a sufficient knowledge of the interactions between the feeding mains and the different types of power converters which are conditioning the energy for the motors. On the basis of the IEC compatibility model given in [1] the relation between the total distortion level caused by the process in the drive system, the compatibility level for the point of coupling in the public or industrial network (PCC/IPC), now expanded with a planning level on the one side, and the immunity levels of the devices on the other side students learn the fundamentals in this field by means of lectures, numerical and laboratory exercises in power electronics and electric drives. For a further specialisation in power converter interferences the Dresden University of Technology offers a special optional course in this field, where parallel operation of converters is one of the matters of learning. The following paper describes the differences of the converter types and the superposition effects of their interferences in industrial networks together with a measurement approach using a scale model with real converters in the laboratory [2].