Auteur Kolar, Johann W.
Documents disponibles écrits par cet auteur (4)
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Krismer, Florian, Auteur ; Kolar, Johann W., Auteur |An accurate power loss model for a high-efficiency dual active bridge converter, which provides a bidirectional electrical interface between a 12-V battery and a high-voltage (HV) dc bus in a fuel cell car, is derived. The nominal power is 2 kW,[...]
Article : texte imprimé
Nussbaumer, Thomas, Auteur ; Baumann, Martina, Auteur ; Kolar, Johann W., Auteur |A three-phase three-switch buck-type pulsewidth modulation rectifier is designed for telecom applications in this paper. The rectifier features a constant 400-V output voltage and 5-kW output power at the three-phase 400-V mains. The principle o[...]
Article : texte imprimé
Nussbaumer, Thomas, Auteur ; Heldwein, Marcelo Lobo, Auteur ; Kolar, Johann W. |For a three-phase buck-type pulsewidth modulation rectifier input stage of a high-power telecommunications power supply module, a differential-mode (DM) electromagnetic compatibility (EMC) filter is designed for compliance to CISPR 22 Class B in[...]
Article : texte imprimé
Raggl, Klaus, Auteur ; Nussbaumer, Thomas, Auteur ; Kolar, Johann W., Auteur |The design of electromagnetic interference (EMI) input filters, needed for switched power converters to fulfill the regulatory standards, is typically associated with high development effort. This paper presents a guideline for a simplified diff[...]
