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參數(shù)資料
| 型號： | LWR1801-6ERFK2G |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT |
| 文件頁數(shù)： | 7/28頁 |
| 文件大?。?/td> | 1316K |
| 代理商： | LWR1801-6ERFK2G |
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BCD20020-G REV AA
Page 15 of 28
www.power-one.com
W Series Data Sheet
125, 250 Watt AC-DC and DC-DC DIN-Rail Converters
External EMC Filter for Models with Feature E
An external EMC filter can be wired into the inputs lines of
Fig. 13
Conducted emissions of EW models:
Disturbances (peak) at the phase input according to EN 55011,
measured at Vi nom and Io nom. (EWN2660-6)
Fig. 14a
Conducted emissions of LW models with external filter:
Disturbances (peak) at the phase input according to
EN 55011/55022, at Vi = 230 VAC, Io nom (LWN1701-6E).
Fig. 14b
Conducted emissions of LW models with feature E:
Disturbances (average) at the phase input according to
EN 55011/55022, at Vi = 230 VAC, Io nom (LWN1701-6E).
the converters. However, a small choke has to be connected in
the phase line to avoid interferences between internal and
external filter, which would cause dramatically increased low
harmonics.
Fig. 14a and 14b show the conducted emissions smoothed by
an external filter. The standards EN 55011 and 55022 define
limits for conducted (quasi)peak and conducted average
emissions. In general the limits for average emissions are
more difficult to meet.
The figure below shows the used external filter configuration
consisting of the inlet filter KMF1.1241.11 (4 A, Schurter
www.schurter.com)
and
the
decopling
choke
EPCOS
B82111B0000C018, 11 H, 4 A, 6
× 20 mm.
Fig. 15a
External filter to reduce conducted emissions of LW models
with feature E (L1 = L2 = 1.6 mH, Cx = 47 nF,
Cy = 2.2 nF)
Note: This filter allows for connection of an IEC inlet and is
available with 1 or 2 incorporated fuses.
A similar filter with AMP terminals (6.3
× 20 mm) is also available
(Schurter FMLB 5500.2028).
Fig. 15b
External inlet filter
PMM 8000 PLUS
Limit: 61204bqp
Detector: Peak Phase Line
Filter3 01.09.06
LWN1701-6E Ui=230VAC, Ponom, Schurter-Filter 4A + Drossel 11H/4A
EN 55022 B
dBV
60
40
20
0
0.2
0.5
1
2
5
10
20 MHz
JM005
L'
N'
Converter
PE'
PE
L
N
Choke
JM007
PMM 8000 PLUS
Limit: 61204bqp
Detector: Peak, conducted Vi+, 6.6.06
EWN2660-0 Ui=110VDC, Io=10A, outputs in parallel configuration
EN 55011 B
dBV
60
40
20
0
0.2
0.5
1
2
5
10
20 MHz
JM008
PMM 8000 PLUS
EN 55022 B
Limit: 61204aqp
Detector: Average Phase line
Filter3 01.09.06
LWN1701-6E Ui=230VAC, Ponom, Schurter-Filter 4A + Drossel 11H/4A
dBV
60
40
20
0
0.2
0.5
1
2
5
10
20 MHz
JM006
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