Alpha ALPHA6000 Series - EMI Filter

Chapter 7 Peripheral Equipments
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201
11 27 0.8 250 480 0.04
15 34 0.6 280 530 0.04
18.5 41 0.5 315 605 0.04
22 52 0.42 355 660 0.03
30 65 0.32 400 750 0.03
Three
-phase
380
37 80 0.26
Three
-
p
hase
380
500 900 0.025
7.2.2 EMI Filter
EMI filter is used to restrain transmit of Electromagnetic Interference (EMI) and
external radio interference; including instant impulsion and surge.
Table 7-3 Three-phase three-wire
EMI filter selection
Primary Parameter of Filter
Common-mode input
loss dB
Differential mode loss dB
Voltag
e
（V）
Motor
Power
（kW）
Filter
Type
0.1M
Hz
1M
Hz
30MH
z
0.1M
Hz
1MHz
30MH
z
0.4
DL-5E
BT1
75 85 55 55 80 60
0.75
DL-10
EBT1
70 85 55 45 80 60
1.5
2.2
DL-20
EBT1
70 85 55 45 80 60
0.75
1.5
DL-5E
BT1
75 85 55 55 80 60
2.2
Single-
phase
220
4
DL-10
EBT1
70 85 55 45 80 60
5.5-7.5
DL-20
EBT1
70 85 55 45 80 60
11-15
DL-35
EBT1
70 85 50 40 80 60
18.5-22
DL-50
EBT1
65 85 50 40 80 50
30-37
DL-80
EBT1
50 75 45 60 80 50
45
DL-100
EBK1
50 70 50 60 80 50
Three
-
p
hase
380
55-75
DL-150
EBK1
50 70 50 60 70 50
If a high-level of EMI is expected and CE, UL, CSA standards are required or when
weak noise resistance equipment is installed around the ac drive, please fit noise filter in
the system. The wiring cables should be as short as it can be and the filter should be