Overcurrent protection circuitry for non-isolated battery discharge controller

An overcurrent protection circuit for protecting a boost-type non-isolated battery discharge controller from a fault current. The battery discharge controller includes multiple parallel-coupled power stages each having an input fuse and an output fuse having predetermined current ratings. The overcu...

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Bibliographische Detailangaben
Hauptverfasser:	ASHLEY, CHRISTOPHER R
Format:	Patent
Sprache:	eng
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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	An overcurrent protection circuit for protecting a boost-type non-isolated battery discharge controller from a fault current. The battery discharge controller includes multiple parallel-coupled power stages each having an input fuse and an output fuse having predetermined current ratings. The overcurrent protection circuit includes a resistor serially connected to an input of each of the output fuses of each of the power stages for limiting the fault current through each of the power stages to a predetermined level below the predetermined current ratings of the input and output fuses. The overcurrent protection circuit also includes a current bypass path for providing a current path around the power stages when the fault current exceeds the predetermined current ratings of the input and output fuses.\!