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]. |