9.4. Filter capacitors

9.4.1. Size modelling

Almost all conventional capacitors used in WECS are constructed based on plate capacitor structure. The volume of a plate capacitor (VolPC) is proportional to the area of the plates (APC) and the plate separation distance (dPC). Also, the voltage applied between plates is limited by dPC and the properties of the dielectric material (the breakdown electric strength, EBd). When an increase in the rated voltage (VCN) of the capacitor is desired, the dPC must be increased in order to avoid dielectric breakdown.
Figure 9.16 Example of inductor core losses and overall volume relationship for three different inductor ...

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