Electric vehicle controller adapted for charge station connectio

Details Electric vehicle controller adapted for charge station connectio Electric vehicle controller adapted for charge station connectio

1980-05-05

1982-01-05

Weldon, Ulysses

Electricity: motive power systems

Battery-fed motor systems

318251, 318353, 320 2, 320 3, 320 4, H02P 100

Patent

active

043096441

ABSTRACT:
An on-board quick charge circuit for an electric vehicle battery is incorporated in an electric vehicle having a solid state dc chopper motor speed controller which may be connected in either a propulsion mode or in a battery charge mode. With the aid of an external donor battery at the charge station, load leveling at the utility grid is maintained irrespective of the instantaneous current demands in the battery charging process. Energy transfer from the donor battery to the on-board propulsion battery is controlled by solid state switching apparatus. Each time the switching apparatus conducts, energy as transferred from the donor battery to the on-board propulsion battery, and energy is additionally transferred and stored in the dc reactor associated with the dc chopper circuit of the vehicle propulsion system. The energy stored in the dc reactor is expended into the on-board propulsion battery when the switching apparatus is turned off. Thus, the on-board propulsion battery is recharged by a continuous dc current amplitude.

REFERENCES:
patent: 3586954 (1971-06-01), Carves
patent: 3809978 (1974-05-01), Zubris
patent: 3983462 (1976-09-01), Jones
patent: 4127803 (1978-11-01), Etienne
patent: 4161682 (1979-07-01), Corvette

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