Assembly and method to charge an electrical load in an electric vehicle

Assembly and method to charge an electrical load in an electric vehicle

A power charging assembly (18) and methods are provided to provide a pre-charge low-current state, a steady-state, high-current charging state, and an unconnect state for an electrical load (16) of an electrical propulsion system in a hybrid electrical vehicle. The power charging assembly (18) inclu...

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Hauptverfasser: Caputo, John V, Turner, Douglas D, Smith, Mark W
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES
ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL
MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
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creator Caputo, John V
Turner, Douglas D
Smith, Mark W
description A power charging assembly (18) and methods are provided to provide a pre-charge low-current state, a steady-state, high-current charging state, and an unconnect state for an electrical load (16) of an electrical propulsion system in a hybrid electrical vehicle. The power charging assembly (18) includes a positive contactor device (26), a negative contactor device (28), and a non-contactor device (29) means. The rate at which that electrical load (16) is pre-charged may be effectively controlled by using a pulse-width modulated signal received by the non-contactor device means (29). A current-only carrying positive (26) or negative contactor (28) may be configured with the non-contactor (29) device means to further prevent electrical arcing of the contacts of the positive (26) and the negative (28) contactor during power charging assembly (18) operation.
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subjects ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES
ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL
MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
title Assembly and method to charge an electrical load in an electric vehicle
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