APPARATUS AND METHODS FOR ARC DETECTION, FAULT ISOLATION, AND BATTERY SYSTEM RECONFIGURATION

An apparatus and method for mitigating the abrupt release of energy due to a short circuit or other fault external to battery modules in a battery pack is disclosed. The battery pack comprises a plurality of series-connected battery modules. Each battery module includes a plurality of weakened fusib...

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1. Verfasser:	KHOZIKOV, Vyacheslav
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COSMONAUTICS ELECTRICITY EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GENERATION PARACHUTES PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING
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creator	KHOZIKOV, Vyacheslav
description	An apparatus and method for mitigating the abrupt release of energy due to a short circuit or other fault external to battery modules in a battery pack is disclosed. The battery pack comprises a plurality of series-connected battery modules. Each battery module includes a plurality of weakened fusible links (56a), which connect an associated plurality of parallel-connected cells (5) to a first or second busbar (46a, 46b), and a plurality of non-weakened fusible links (56), which connect an associated plurality of parallel-connected cells (5) to a third or fourth busbar (46a, 46b). In the event of a fault the shortened arcing time across the weakened fusible links prevents catastrophic damage to the battery. A photodetector detects the presence of an arc across the weakened fusible links, and an electronic load control unit closes a bypass switch to bypass the battery module if an arc is detected.
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The battery pack comprises a plurality of series-connected battery modules. Each battery module includes a plurality of weakened fusible links (56a), which connect an associated plurality of parallel-connected cells (5) to a first or second busbar (46a, 46b), and a plurality of non-weakened fusible links (56), which connect an associated plurality of parallel-connected cells (5) to a third or fourth busbar (46a, 46b). In the event of a fault the shortened arcing time across the weakened fusible links prevents catastrophic damage to the battery. 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The battery pack comprises a plurality of series-connected battery modules. Each battery module includes a plurality of weakened fusible links (56a), which connect an associated plurality of parallel-connected cells (5) to a first or second busbar (46a, 46b), and a plurality of non-weakened fusible links (56), which connect an associated plurality of parallel-connected cells (5) to a third or fourth busbar (46a, 46b). In the event of a fault the shortened arcing time across the weakened fusible links prevents catastrophic damage to the battery. 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The battery pack comprises a plurality of series-connected battery modules. Each battery module includes a plurality of weakened fusible links (56a), which connect an associated plurality of parallel-connected cells (5) to a first or second busbar (46a, 46b), and a plurality of non-weakened fusible links (56), which connect an associated plurality of parallel-connected cells (5) to a third or fourth busbar (46a, 46b). In the event of a fault the shortened arcing time across the weakened fusible links prevents catastrophic damage to the battery. A photodetector detects the presence of an arc across the weakened fusible links, and an electronic load control unit closes a bypass switch to bypass the battery module if an arc is detected.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
recordid	cdi_epo_espacenet_EP4138257A2
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subjects	AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COSMONAUTICS ELECTRICITY EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS GENERATION PARACHUTES PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING
title	APPARATUS AND METHODS FOR ARC DETECTION, FAULT ISOLATION, AND BATTERY SYSTEM RECONFIGURATION
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