Abstract
AbstractA theoretical evaluation is done on a three‐phase three‐wire system to show the unwanted network influence when a dynamic filter is controlled according to the “instantaneous power theory”. The evaluation is also simulated on Mathcad for various network configurations and compared to known experiments. The quantities with unwanted frequencies introduced by the compensation increase with the complexity of the systems. It is concluded that the use of this power theory for control of dynamic filters is less desirable. Two examples of rectifier systems are also given to show that the results with compensation by the “instantaneous power theory” can in some systems be worse than in others, since its effectiveness is load‐type dependent.
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