Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715

ENMods System: FARM3 and MiniHAM

Rev. 1.3

Page 4 of 12

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PRELIMINARY

C2

R4

C4

L2/N

L1

PE

L1

R3

L2

R1

R2

L3

C1

C3

F1

Part

C1

C2, C3

C4

F1

F1

L1, L2

L3

R1, R2

R3

R4

V1

Description

1.0

µF

4700pF

0.33

µF

6.3A Fuse(5mm)

Fuse Holder

27

µH

1.3mH

10

Ω

150k

Ω, 0.5W

2.2

Ω, 2W

MOV

Vicor

Part Number

02573

01000

00927

22985

25318

14563

15016

00126-10R0

00127-1503

25896

03040

V1

N

L

PE

Input

Output

Figure 1b — Input EMI filter for EN55022, Level B compliance

Harmonic Current

0.01

0.10

1.00

10.00

23456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Harmonic Number

Measured Values

Odd Harmonic Limits

Even Harmonic Limits

*

Figure 2 — Measured harmonic current at 230VAC, 575W vs. EN spec limits

*Measured values of even harmonics are below 0.01A

Operating Characteristics