The circuit apparatus for protecting a pre-charge resistance using an inter-lock switch

The present invention relates to a circuit apparatus for protecting a pre-charge resistance using an inter- lock switch, and more particularly, to a circuit apparatus for protecting a pre-charge resistance by controlling a current flowing to a voltage transformer of an electric vehicle using an inte...

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Bibliographische Detailangaben
Hauptverfasser:	JANG SOOYEUP, LEE JOONGHUI, PARK SANG HYUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a circuit apparatus for protecting a pre-charge resistance using an inter- lock switch, and more particularly, to a circuit apparatus for protecting a pre-charge resistance by controlling a current flowing to a voltage transformer of an electric vehicle using an inter- lock switch and a polyswitch. The present invention provides a circuit apparatus for protecting a pre-charge resistance using an inter- lock switch, including a pre-charge resistance, a pre-charge relay and a main relay placed between a battery of a hybrid electric vehicle and a voltage transformer, wherein the circuit apparatus includes an inter- lock switch which is operated complementarily with the pre-charge relay and is for preventing continuous flow of an overcurrent to the voltage transformer and the resulting damage of the pre-charge resistance.