Page 288 - Power Electronics Handbook

278 D.C. to d.c. converters

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1,+15
Flgare 12.18 Variation of free-wheeling diode current in a chopper

0.7
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.I 0.5 0.6 0.1 0.8 0.9 .O
1,
lc+lo
F@t 12.19 Variation of average load current in a chopper

1,
'c + 6
Figure 12.a Variation of load ripple current in a chopper