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1. AN EV SRM DRIVE POWERED BY BATTERY/SUPERCAPACITOR WITH G2V AND
V2H/V2G CAPABILITIES
ABSTRACT
This paper develops an electric vehicle switched-reluctance motor (SRM) drive powered
by a battery/super capacitor having grid-to-vehicle (G2V) and vehicle-to-home (V2H)/vehicle-
to-grid (V2G) functions. The power circuit of the motor drive is formed by a bidirectional two-
quadrant front-end dc/dc converter and an SRM asymmetric bridge converter. Through proper
control and setting of key parameters, good acceleration/deceleration, reversible driving, and
braking characteristics are obtained In idle condition, the proposed motor drive schematic can be
rearranged to construct the integrated power converter to perform the following functions: 1)
G2V charging mode: a single-phase two-stage switch-mode rectifier based charger is formed
with power factor correction capability; 2) autonomous V2H discharging mode: the 60-Hz 220-
V/110-V ac sources are generated by the developed single-phase three-wire inverter to power
home appliances. Through the developed differential mode and common mode control schemes,
well-regulated output voltages are achieved; 3) grid-connected V2G discharging mode: the
programmed real power can be sent back to the utility grid.