Fig 1.
Single phase non-isolated bidirectional charger for PEVs.
Fig 2.
Non-isolated bidirectional PEV charger (a) Power circuit topology (b) Quadrant diagram of active-reactive power plane.
Table 1.
Operating modes of stage-1 converter.
Table 2.
Switching conditions of stage-2 converter.
Fig 3.
Controller subsection-1 for converter stage-1.
Fig 4.
Controller subsection-2 for converter stage-1.
Fig 5.
Controller for converter stage-2.
Fig 6.
Simulation model of proposed PEV charger.
Table 3.
System parameters used for simulation.
Fig 7.
MATLAB-simulink model of controller for converter stage-1.
Fig 8.
MATLAB-simulink model of bipolar PWM pulse generation.
Fig 9.
MATLAB-simulink model of SOGI-PLL.
Fig 10.
MATLAB-simulink model (a) Instantaneous PQ theory (b) Reference current calculation.
Fig 11.
MATLAB-simulink model of controller for DC-DC converter stage.
Table 4.
Parameters of PEV charger in G2V mode.
Table 5.
Parameters of PEV charger in V2G mode.
Fig 12.
DC link voltage.
Fig 13.
DC link voltage ripples.
Fig 14.
Battery charging current for different values of Pc during G2V mode operation.
Fig 15.
Battery charging current during G2V mode operation.
Fig 16.
Battery charging current ripple.
Fig 17.
Battery state of charge (SoC) during G2V mode operation.
Fig 18.
Grid voltage and grid current during G2V mode operation.
Fig 19.
Grid voltage and grid current during G2V mode charge-only operation—unity power factor.
Fig 20.
Grid voltage and grid current during G2V mode charge-capacitive operation- leading power factor.
Fig 21.
Grid voltage and grid current during G2V mode charge-inductive operation—lagging power factor.
Fig 22.
Voltage across DC link capacitor.
Fig 23.
Battery discharging current during V2G mode.
Fig 24.
Grid voltage and grid current during V2G mode discharge-only operation—unity power factor.
Fig 25.
Grid voltage and grid current during V2G mode discharge-capacitive operation—leading power factor.
Fig 26.
Grid voltage and grid current during V2G mode discharge-inductive operation—lagging power factor.
Fig 27.
Battery state of charge (SoC) during V2G mode.
Fig 28.
Harmonics spectrum in G2V mode of operation (a) Grid voltage (b) Grid current.
Fig 29.
Harmonics spectrum in V2G mode of operation (a) Grid voltage (b) Grid current.
Table 6.
Comparison of simulation results with previous works.