Nonlinear Power Inductors for Large Current Crest Factors

Table 1

Comparison between conventional and nonlinear (saturable) inductor.

	Conventional inductor	Nonlinear (saturable) inductor	Trend
Size	166 × 140 × 85 mm	113 × 140 × 85 mm	—
Volume	1975 cm³	1344 cm³	−32%
Weight (core)	5.44 kg	5.17 kg	−5%
Weight (copper)	1.98 kg	1.60 kg	−19%
Number of turns	144	116	−19%
Losses (copper)	24 W	19.44 W	−19%
Losses (core)	8 W	9.36 W	+17%
Losses (total)	32 W	28.8 W	−10%