METHOD AND SYSTEM FOR SUPPLYING ELECTRIC POWER TO A HYBRID MOTOR VEHICLE WITH DUAL ELECTRICAL ENERGY STORAGE DEVICES
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United States of America Patent
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Issued Date -
Mar 26, 2015
app pub date -
Mar 22, 2013
filing date -
Mar 28, 2012
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Abandoned
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Abstract
Method used in a vehicle provided with an electrical power system (1), including an electrical engine/generator (3) and first electrical power storage (2) having a first nominal voltage, and moreover provided with a backup electrical system (5), including a second electrical power storage (6) having a second nominal voltage less than the first nominal voltage. The electrical power system and the backup system are connected by a reversible DC/DC converter (9). A first optimal power current strength (IESS1), flowing in the first storage (2), and a second optimal power current strength (IESS2), flowing in the second storage (6), are determined on the basis of operational parameters for the first and second electrical power storages so as to minimize losses due to heat dissipation. The first and second optimal power current strengths (IESS1, IESS2) are also determined on the basis of a reversible DC/DC converter output.
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