State-Flow Control Based Multistage Constant-Current Battery Charger for Electric Two-Wheeler

Table 1

System parameters.

Parameters	Values
Source voltage	1φ–230 V (RMS), 50 Hz
Variable ratio transformer	0.081
Boost inductor (Lin)	2.1 mH
Output capacitor (Cout)	150 µF
Switching frequency fs	20 kHz
LC filter
Inductor (L)	0.08 H
Capacitor (C)	90 mF
Battery specifications
Nominal voltage	25.2 V
Rated capacity	49.4 Ah
Fully charged voltage	29.33 V