DC-DC SWITCHING VOLTAGE CONVERTER

In the DC-DC voltage convertor described, which contains a transformer whose primary inductance is connected in series with the contact path of a controllable switch, a choke is inserted in the DC current path formed by the contact path of the switch and the primary inductance. This limits the switc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LOSEL, WALTER, GRAD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	In the DC-DC voltage convertor described, which contains a transformer whose primary inductance is connected in series with the contact path of a controllable switch, a choke is inserted in the DC current path formed by the contact path of the switch and the primary inductance. This limits the switch-on currents through the contact path of the controllable switch, which can reach high peak values at the time of switching on, because of the winding capacitance of the transformer. Shortly after switching on, the core material of the choke reaches magnetic saturation and is held in this state until the switch is opened. In this way, the choke is effective, in practice, only at the time of switching on.