Precharging Circuit for Charging an Intermediate Circuit Capacitor

A pre-charging circuit for charging an intermediate circuit capacitor is provided having a first electronic component, a second electronic component and a diagnostic circuit. The diagnostic circuit is designed for functional testing of the first electronic component and/or of the second electronic c...

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Bibliographische Detailangaben
1. Verfasser:	SCHAEDLICH THOMAS
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A pre-charging circuit for charging an intermediate circuit capacitor is provided having a first electronic component, a second electronic component and a diagnostic circuit. The diagnostic circuit is designed for functional testing of the first electronic component and/or of the second electronic component and comprises an energy source with a terminal voltage. A voltage drop can be induced on the first electronic component by the energy source, as a result of which the functional performance of the first electronic component and/or of the second electronic component can be tested. The diagnostic circuit has a diagnosis switch via which the energy source can be connected to the first electronic component in such a manner that the dropping voltage on the first electronic component corresponds to the terminal voltage.