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조정민(J.M. Jho),함년근(N.Y. Harm),김대균(D.G. Kim),이상집(S.J. Lee),김성남(S.N. Kim),이훈구(H.G. Lee),한경희(K.H. Han) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
In the end of a production line a new built power converter has to undergo a series of stress tests. This can be achieved by connecting it to a dynamometer consisting of a three-phase machine joined by a rigid shaft to a DC load machine. The latter is controlled to create some specific load characteristic needed for the test In this paper a test method is proposed, in which no mechanical equipment is needed. The suggested test stand consists only of a converter to be tested and a simulator converter. Both devices are connected back-to-back on the AC-side via smoothing reactors. The simulator operates in real-time as an equivalent load Circuit, so that the device under test will only notice the behaviour of a three-phase machine under consideration of the load.<br/>